jinyuan222/R-Quest-Qwen3-4B-Validity-RL
Text Generation • 4B • Updated • 429
answer_verified bool 1
class | canonical_final_answer stringlengths 1 912 ⌀ | id stringlengths 18 18 | invalid_type stringclasses 7
values | question stringlengths 45 1.67k | round stringclasses 5
values | split stringclasses 1
value | terra_label stringclasses 6
values | terra_validity stringclasses 2
values | validity_rl_target stringlengths 1 912 | answer_confidence float64 0.86 1 ⌀ |
|---|---|---|---|---|---|---|---|---|---|---|
null | null | q_0015e31978620fd6 | ambiguity | In the land of Puzzlia, the wise mathematician, Professor Numble, has devised a game to challenge the young minds of the kingdom. The game board is an infinite grid of squares, with each square numbered according to its row and column, starting from (1,1). The game begins with a piece placed at the origin (1,1). In eac... | v1 | train | C | INVALID | INVALID | null |
true | 673 | q_00fd275e36483334 | null | What is the smallest positive integer n such that \(n! \equiv 0 \pmod{2019}\)? (Hint: Consider the prime factorization of 2019 and the nature of factorials.) | v1 | train | A | VALID | 673 | 1 |
true | By the Cauchy–Schwarz inequality,
\[
\frac{a^2}{b}+\frac{b^2}{c}+\frac{c^2}{a}
\ge \frac{(a+b+c)^2}{a+b+c}=\frac{9}{3}=3.
\]
Equality holds when \(a/b=b/c=c/a\), which for positive \(a,b,c\) gives \(a=b=c=1\). | q_011e41cb067fbbe3 | null | Given positive real numbers \( a, b, c \) such that \( a + b + c = 3 \), prove that:
\[ \frac{a^2}{b} + \frac{b^2}{c} + \frac{c^2}{a} \geq 3. \] | v1 | train | A | VALID | By the Cauchy–Schwarz inequality,
\[
\frac{a^2}{b}+\frac{b^2}{c}+\frac{c^2}{a}
\ge \frac{(a+b+c)^2}{a+b+c}=\frac{9}{3}=3.
\]
Equality holds when \(a/b=b/c=c/a\), which for positive \(a,b,c\) gives \(a=b=c=1\). | 1 |
null | null | q_012eadad9fc30481 | ambiguity | In a futuristic city, every resident is either a truth-teller (who always tells the truth) or a liar (who always lies). One day, a curious young mathematician decides to investigate the city's population by asking a series of questions to various residents. He picks a random resident and asks, "Is your friend a truth-t... | v5 | train | C | INVALID | INVALID | null |
null | null | q_01679b5f9f55c7b3 | no_solution | {Let \(P(x)\) be a polynomial with integer coefficients such that \(P(1) = 10\) and \(P(2) = 20\). Prove that there is no integer \(k\) for which \(P(k) = 30\), given that \(P(x)\) has degree at least 3.} | v4 | train | D | INVALID | INVALID | null |
true | 260 square feet | q_0184b2f2c390fddb | null | A rectangular garden is divided into four smaller rectangles by two straight paths, one horizontal and one vertical. The paths are 2 feet wide and run the entire length of the garden. If the total area of the garden (including the paths) is 320 square feet, and the total area of the paths alone is 60 square feet, what ... | v1 | train | A | VALID | 260 square feet | 1 |
true | 0 | q_0196ca4d4887c047 | null | In the complex plane, let $P(z) = z^8 + \left(4\sqrt{3} + 6\right)z^4 - \left(4\sqrt{3} + 7\right)$. For how many complex numbers $z$ is the product of the real part of $z$ and the imaginary part of $z$ a positive integer and $P(z) = 0$? | v4 | train | A | VALID | 0 | 1 |
null | null | q_01a6ea1848beba46 | contradiction | A circle is inscribed in an isosceles triangle with sides of lengths 13, 14, and 15 units. A smaller circle is then inscribed in the same triangle, tangent to the two equal sides and to the inscribed circle. Find the radius of the smaller circle. | v3 | train | D | INVALID | INVALID | null |
null | null | q_01b0265bfc050b97 | malformed | A convex polygon \( P \) in the plane has vertices \( V_1, V_2, \ldots, V_n \) and an area \( A(P) \). Let \( C \) be the circumcircle of \( P \) and \( r \) be its radius. Consider the function \( f(x) = \frac{A(P + xC)}{A(P)} \), where \( P + xC \) denotes the polygon obtained by scaling \( C \) by a factor of \( x \... | v4 | train | E | INVALID | INVALID | null |
null | null | q_01c3d3fa860fbf9f | no_solution | A magical garden is arranged in a perfect circle and contains a variety of flowers. Each flower blooms only on the days when the total number of blooms is a perfect square. Given that on day 1, there is exactly 1 blooming flower, and the number of blooming flowers doubles every 2 days, find the smallest day number wher... | v5 | train | D | INVALID | INVALID | null |
null | null | q_01d178a6b13fc041 | ambiguity | Given a regular 2021-gon \(P\) inscribed in a circle with radius \(r\), let \(A\), \(B\), and \(C\) be three vertices of \(P\) such that the arc length between \(A\) and \(B\), \(B\) and \(C\), and \(C\) and \(A\) are in arithmetic progression. Determine the area of the triangle formed by \(A\), \(B\), and \(C\) in ter... | v3 | train | C | INVALID | INVALID | null |
true | 4950 | q_01de192facf3c9be | null | In a country with 100 cities, every city is connected to every other city by a road. Each road is uniquely colored and no two roads of the same color share an endpoint. What is the maximum number of colors that can be used for the roads under these conditions? | v1 | train | A | VALID | 4950 | 0.99 |
true | 3 | q_01e6b354801d98da | null | What is the smallest positive integer \( n \) such that the expression \( \frac{n^2 + 2n + 1}{n^2 - 3n + 2} \) is an integer? | v1 | train | A | VALID | 3 | 1 |
null | null | q_01f12032618e2caf | malformed | In a sequence of positive integers, each term after the first is obtained by adding the previous two terms. The first term is 1, and the second term is a positive integer less than 10. If the 10th term in this sequence is a multiple of 12, find the number of possible values for the second term. | v3 | train | E | INVALID | INVALID | null |
true | 24 | q_01fb654a0317452b | null | In the kingdom of Numeralia, there is a unique type of gemstone known as the "Prime Orb." Each Orb contains a prime number, \( p \), and the King has decided to distribute these Orbs among his 12 most distinguished scholars. Each scholar can only receive one Orb, and each Orb's prime number must be a divisor of the sum... | v4 | train | A | VALID | 24 | 0.99 |
null | null | q_0207e2abeb032c4f | contradiction | Let \( P \) be a convex polygon with \( n \) sides. A *beautiful coloring* of \( P \) is a coloring of the vertices and edges of \( P \) using exactly three colors such that:
1. Any two adjacent vertices (connected by an edge) have different colors.
2. Any two vertices on the same side (not necessarily adjacent) have ... | v5 | train | D | INVALID | INVALID | null |
true | 1 | q_0234f84ac6a82a9e | null | Find the smallest positive integer n such that the sum of the cubes of the first n positive integers is divisible by the product of the first n positive integers. | v2 | train | A | VALID | 1 | 1 |
true | \(\frac{51017}{81642}\) | q_0235235c1cfb4de0 | null | 在平面直角坐标系中,有一系列由正整数组成的点集合 \( S = \{ (x, y) | x, y \in \mathbb{Z}^+, x + y \leq 100 \} \),其中 \( \mathbb{Z}^+ \) 表示所有正整数的集合。现在从集合 \( S \) 中随机选择三个不同的点 \( A(x_1, y_1) \), \( B(x_2, y_2) \) 和 \( C(x_3, y_3) \)。设这三个点组成的三角形面积为 \( T \)。求 \( T \) 为整数的概率。 | v2 | train | A | VALID | \(\frac{51017}{81642}\) | 0.99 |
true | 101 | q_026d6575590f2df3 | null | In the Cartesian coordinate system, let $P$ be a point with integer coordinates such that $1 \leq P_x, P_y \leq 100$. A *path* from $P$ to another point $Q$ is defined as a sequence of steps, each moving either one unit to the right or one unit up, without revisiting any previously visited point. A *special path* is a ... | v5 | train | A | VALID | 101 | 0.99 |
true | 8 | q_0271acef0bec7b0b | null | How many positive integers less than 500 are divisible by 4, 5, and 6? | v1 | train | A | VALID | 8 | 1 |
null | null | q_02ab066130fe57ed | no_solution | 在三维空间中,有三个正交坐标轴 \(x, y, z\),轴上分别标记了点 \(A_1, A_2\) 和 \(B_1, B_2\)。\(A_1\) 的坐标为 \((a_1, 0, 0)\),\(A_2\) 的坐标为 \((0, a_2, 0)\),而 \(B_1\) 和 \(B_2\) 的坐标分别为 \((b_1, 0, 0)\) 和 \((0, b_2, 0)\),其中 \(a_1, a_2, b_1,\) 和 \(b_2\) 是互不相同的正整数。如果从原点 \(O\) 出发,沿着正交路径到达 \(A_1\),然后到达 \(B_1\),接着返回原点,再沿另一条不同的路径到达 \(A_2\),最后到达 \(B_2\),已知整个行程中经... | v4 | train | D | INVALID | INVALID | null |
null | null | q_02bee8e9f6f7bba0 | contradiction | Let \( P(x) \) be a polynomial with integer coefficients such that \( P(1) = 2023 \) and \( P(2) = 4046 \). Suppose that there exists an integer \( n \) for which \( P(n) = 2023 \) and \( P(n+1) = 2024 \). Find the smallest possible value of \( n \).
For example, if \( P(x) = x^2 + 1903 \), then \( P(1) = 2023 \) and ... | v3 | train | D | INVALID | INVALID | null |
null | null | q_02ca020b49db8f21 | ambiguity | In a magical forest, there are trees that grow in a unique pattern. Each tree has a certain number of branches, and each branch can grow in one of four directions: north, south, east, or west. However, no two branches on the same tree can grow in the same direction. Trees are magically programmed to grow their branches... | v5 | train | C | INVALID | INVALID | null |
null | null | q_02e72163e0a02fca | contradiction | Find all positive integers \( n \) such that the equation \( x^2 + y^2 + z^2 + 3(x + y + z) = nxyz \) has a solution in positive integers, and additionally, satisfy the constraints:
1. \( x, y, z \leq 10 \)
2. \( n < 100 \)
3. \( x, y, z \) are pairwise coprime.
Which of the following is a possible value of \( n \) if... | v3 | train | D | INVALID | INVALID | null |
null | null | q_0304b0789e3452cf | no_solution | Let $f(n)$ be the number of ways to express $n$ as the sum of positive integers, where the order of the summands matters. For example, $f(3) = 4$ because $3$ can be expressed as $3, 2+1, 1+2,$ and $1+1+1$. Find the smallest positive integer $n$ such that $f(n) = 120$. | v1 | train | D | INVALID | INVALID | null |
null | null | q_032dc211ecbc1d01 | malformed | 在平面直角坐标系中,给定两个点 \(A(1, 2)\) 和 \(B(4, 7)\),以及一条圆周 \(C: (x-3)^2 + (y-3)^2 = 4\)。设 \(P\) 是圆周 \(C\) 上任意一点,直线 \(AP\) 和直线 \(BP\) 分别与圆周 \(C\) 在不同于 \(P\) 的点处相交,记为 \(Q_A\) 和 \(Q_B\) 分别对应。令 \(L\) 为直线 \(PQ_A\) 和直线 \(PQ_B\) 之比的最小值。试求圆周 \(C\) 对直线 \(AB\) 沿着 \(P\) 的\(L\)的最大可能值。 | v4 | train | E | INVALID | INVALID | null |
null | null | q_0375dd1d98024ab8 | malformed | In the mystical land of Numerica, there exists an ancient city called Algoradda. The city is organized into $n$ concentric rings, with the innermost ring being Ring 1, and the outermost ring being Ring $n$. Each ring is inhabited by a different species of creatures, and the number of creatures in each ring forms a uniq... | v5 | train | E | INVALID | INVALID | null |
true | \(\frac{\pi}{3\sqrt{3}}\) | q_03872f070570d349 | null | A circle is inscribed in an equilateral triangle with side length \( s \). If a point is randomly selected from inside the triangle, what is the probability that it lies within the circle? | v1 | train | A | VALID | \(\frac{\pi}{3\sqrt{3}}\) | 1 |
null | null | q_038c52710b7fd627 | no_solution | In a mysterious ancient city, there are $N$ magical stones, each one endowed with a unique power level that is a positive integer. Legend has it that when a person seeks power, they must traverse a mystical path consisting of $N$ points connected by exactly $N-1$ unidirectional roads, forming a tree structure. The powe... | v3 | train | D | INVALID | INVALID | null |
null | null | q_039cc2d7e2b2ab97 | no_solution | Consider a sequence of integers \((a_n)\) defined by \(a_1 = 1\), \(a_2 = 2\), and for \(n \geq 3\), \(a_n\) is the smallest integer greater than \(a_{n-1}\) such that the polynomial \(P(x) = x^3 + a_n x^2 + a_{n-1} x + a_{n-2}\) has three distinct real roots. Find the value of \(a_{10}\). | v2 | train | D | INVALID | INVALID | null |
null | null | q_03a0e8911f0f5f56 | contradiction | Let \( p(x) \) be a monic polynomial of degree \( n \) with real coefficients such that \( p(0) = 1 \) and for all real numbers \( x \), the equation
\[ p(x) + p(1 - x) = 2x^2 + 1 \]
holds. Determine the sum of all roots of the equation \( p(x) = x \). | v4 | train | D | INVALID | INVALID | null |
null | null | q_03ccc7eb0825916b | ambiguity | Find all integers \( n \) such that the equation
\[
\sum_{k=1}^{n} \frac{1}{k^2} = \frac{a}{b}
\]
has integer solutions for \( a \) and \( b \) with \( \gcd(a, b) = 1 \), where \( b \neq 1 \). How many such \( n \) exist, and what are the corresponding fractions \( \frac{a}{b} \)? | v3 | train | C | INVALID | INVALID | null |
null | null | q_03e72870211638a7 | no_solution | In the complex plane, consider the function \( f(z) = z^3 - 3z^2 + 2z \). Let \( \gamma \) be the circle \( |z| = 2 \) traversed counterclockwise. Using the argument principle, determine the number of zeros of \( f(z) \) inside \( \gamma \), counting multiplicities. | v2 | train | D | INVALID | INVALID | null |
null | null | q_03f41e2385ffefe8 | contradiction | In the mystical land of Mathoria, there exists a magical sequence of numbers, the *Mathorian Harmonies*. The sequence is defined by the recurrence relation: \(a_{n+2} = a_{n+1} + a_n + a_{n-1}\) for all \(n \geq 2\), with initial conditions \(a_1 = 1\), \(a_2 = 1\), and \(a_3 = 2\). Each term of the sequence is also as... | v5 | train | D | INVALID | INVALID | null |
true | 448 | q_04397cd08208d5fd | null | Let $S$ be the set of all positive integers $n$ such that $n^2 + 12n - 2007$ is a perfect square. Find the sum of all elements in $S$ that are less than 1000. | v2 | train | A | VALID | 448 | 1 |
true | 128 square units | q_043d80987e42e7dc | null | Three distinct points \( A \), \( B \), and \( C \) lie on a circle of radius \( 10 \) units. If the distance from the center of the circle to the midpoint of segment \( AC \) is \( 6 \) units, what is the maximum possible area of triangle \( ABC \)? | v1 | train | A | VALID | 128 square units | 1 |
true | 1 | q_0440e3c6e82c8727 | null | Find the smallest positive integer \( n \) such that the number of integers \( k \) satisfying \( 1 \leq k \leq n \) and \( k^3 \equiv 1 \pmod{n} \) is equal to the number of integers \( m \) satisfying \( 1 \leq m \leq n \) and \( m^2 \equiv 1 \pmod{n} \). | v2 | train | A | VALID | 1 | 0.99 |
null | null | q_044361e979849562 | contradiction | A convex polyhedron has 18 vertices and 32 faces. Determine the number of edges of the polyhedron, knowing that each vertex is connected to 5 other vertices, and every face is a triangle or a quadrilateral. Additionally, if one edge is removed, how many triangles remain? | v3 | train | D | INVALID | INVALID | null |
true | 24 | q_04447f9941be7e23 | null | What is the remainder when the product of the first 100 positive integers that are not divisible by 5 is divided by 100? | v1 | train | A | VALID | 24 | 0.99 |
null | null | q_045396c257c17aa6 | contradiction | In the coordinate plane, a square $ABCD$ has vertices $A(0,0)$, $B(0,6)$, $C(6,6)$, and $D(6,0)$. A point $P$ is chosen inside the square such that the distances from $P$ to the sides of the square are $p$, $q$, $r$, and $s$ where $p + q = r + s = 3$. Find the area of quadrilateral $APCB$. | v1 | train | D | INVALID | INVALID | null |
null | null | q_0463804b11e40d77 | no_solution | There exists a sequence of real numbers \(a_1, a_2, \ldots, a_n\) where \(n \geq 2\). The sequence has the property that for each \(k\) (with \(1 \leq k < n\)), \(a_{k+1}\) is the average of the previous \(k\) terms. Given that \(a_1 = 1\) and the sum of all terms in the sequence is equal to \(n + \frac{1}{2}\), find t... | v2 | train | D | INVALID | INVALID | null |
null | null | q_04682d95fad0f1ff | contradiction | Let \( f(x) \) be a polynomial of degree 5 with integer coefficients such that \( f(1) = 0 \) and \( f(2) = 10 \). If \( f(x) \) has exactly one real root \( r \) in the interval \( (1, 2) \) and all other roots are non-real, find the sum of the coefficients of \( f(x) \). | v1 | train | D | INVALID | INVALID | null |
true | 5050 | q_046f7a7da54ba4af | null | Let \( f \) be a function defined on the set of non-negative integers with the following properties:
1. \( f(1) = 1 \)
2. \( f(a + b) = f(a) + f(b) + ab \) for all non-negative integers \( a \) and \( b \).
Find the value of \( f(100) \). | v1 | train | A | VALID | 5050 | 1 |
true | Yes; the minimum total tax is 140500 gold coins. | q_0475cd7753fd15c7 | null | In the kingdom of Numeralia, there are 1000 villages, each with a unique number from 1 to 1000. The king of Numeralia has issued a decree that every two villages are connected by a direct road if and only if the numbers of the two villages are relatively prime. A tourist, keen on exploring the kingdom, starts in villag... | v5 | train | A | VALID | Yes; the minimum total tax is 140500 gold coins. | 0.99 |
null | null | q_04b480470656a454 | ambiguity | In a fictional kingdom, there are 20 cities connected by a network of roads such that every pair of cities is directly linked by exactly one road. A traveler wishes to visit each city exactly once, starting and ending at the same city. However, due to a peculiar law, the traveler cannot traverse the same road twice. Ho... | v3 | train | C | INVALID | INVALID | null |
true | 7 integers; sum = 820 | q_04d40aacb5898f02 | null | In a particular infinite sequence of integers, each term is defined recursively by the formula \( a_{n} = 2a_{n-1} + 3a_{n-2} \) with initial conditions \( a_{0} = 1 \) and \( a_{1} = 2 \). Determine the number of integers between 1 and 1000 inclusive that can be expressed as a term in this sequence. Additionally, find... | v5 | train | A | VALID | 7 integers; sum = 820 | 1 |
null | null | q_0504bd28d08f48a7 | ambiguity | In a hyperbolic plane, consider a regular polygon with \(n\) sides, where each internal angle is \(\alpha\). If the polygon is inscribed in a circle of radius \(r\) in this hyperbolic plane, find the relationship between \(n\), \(\alpha\), and \(r\). Specifically, derive a formula for \(n\) in terms of \(\alpha\) and \... | v4 | train | C | INVALID | INVALID | null |
null | null | q_053d2fc7701c5a85 | contradiction | Find all real numbers \( x \) such that the sequence \( \{a_n\} \) defined by \( a_1 = x \) and \( a_{n+1} = a_n^2 - 2 \) for \( n \geq 1 \) converges to a limit \( L \) where \( L > 0 \) and \( L^2 = 2L + 1 \). | v3 | train | D | INVALID | INVALID | null |
true | 1 | q_055d3b97c9e3a46e | null | In the mystical land of Numeralia, a wise wizard has enchanted a magical forest with three types of trees: Aria Trees, Bora Trees, and Ciel Trees. The wizard has set a peculiar rule: every Aria Tree must be at least twice as tall as any Bora Tree, and every Bora Tree must be at least three times as tall as any Ciel Tre... | v3 | train | A | VALID | 1 | 0.99 |
null | null | q_058d698ad855a642 | malformed | Let \( S \) be the set of all permutations of the set \( \{1, 2, 3, \ldots, 12\} \). For each permutation \( \sigma \in S \), let \( \sigma(n) \) denote the position of the number \( n \) in the permutation. Determine the number of permutations \( \sigma \) such that for every \( n \) and \( k \) in the set \( \{1, 2, ... | v3 | train | E | INVALID | INVALID | null |
true | n \in \{2,3,4,7\} | q_058f40b6b665501d | null | Find all positive integers \( n \) such that \( n^2 + 3n + 2 \) is divisible by \( n - 1 \). | v1 | train | A | VALID | n \in \{2,3,4,7\} | 1 |
null | null | q_0594e8f9f81730bd | malformed | In the complex plane, let $z_1, z_2, \ldots, z_n$ be $n$ distinct points such that the sum of any two points, when their product is taken modulo the prime number $p = 2023$, results in a perfect square. If $n = 2022$, determine the largest possible value of the expression:
\[
\sum_{1 \le i < j \le 2022} \left| \frac{z_... | v4 | train | E | INVALID | INVALID | null |
null | null | q_05a8e02957fc54de | contradiction | In the mystical land of Mathemoria, the inhabitants have a unique way of celebrating the annual Unity Festival. They create a large, symmetrical pyramid of stones, where each stone is uniquely numbered from 1 to N (where N is an odd number). The stones are arranged in such a way that the base of the pyramid is a square... | v5 | train | D | INVALID | INVALID | null |
true | \frac{1}{3} | q_05bbf725d26ee45e | null | Let \( S \) be the set of all non-degenerate triangles with integer side lengths and a perimeter of 12. Determine the number of such triangles \( S \) that have an area that is an integer, and express your answer as a fraction of the total number of triangles in \( S \).
Given the condition that the side lengths \( a,... | v2 | train | A | VALID | \frac{1}{3} | 1 |
true | 1 | q_05c383bf0cd2be83 | null | What is the smallest positive integer \( n \) such that the sum of the squares of the first \( n \) positive integers is a perfect cube? | v1 | train | A | VALID | 1 | 1 |
true | No positive integers \(n\). | q_05c6c2c1e9b60936 | null | Find all positive integers \( n \) such that \( 2^n + 3^n + 6^n + 7^n \) is a perfect square. | v2 | train | A | VALID | No positive integers \(n\). | 1 |
true | 42 | q_05dce082506413d2 | null | In a unique calendrical system, each year is divided into cycles of \(13\) months, where each month has \(28\) days. Suppose a traditional festival is observed every \(3\) years in the current year. If the festival was held in year \(0\) and it has been observed on \(15\) distinct years, what is the smallest possible c... | v3 | train | A | VALID | 42 | 0.99 |
null | null | q_060f26a00aae4e71 | contradiction | In the realm of abstract geometry, consider a tetrahedral complex \(T\) embedded in a three-dimensional space. \(T\) is composed of \(n\) tetrahedra, each defined by four non-coplanar points. Each edge of the tetrahedra is colored either red or blue, with no two adjacent edges sharing the same color. Moreover, no three... | v4 | train | D | INVALID | INVALID | null |
null | null | q_066e14ae8a652222 | no_solution | Find the smallest positive integer \( n \) such that \( 3^n \) and \( 5^n \) both have exactly 2024 digits when expressed in base 10. Use this information to determine the last three digits of \( 15^n \). | v3 | train | D | INVALID | INVALID | null |
null | null | q_06832bef59da9713 | missing_information | In a game where two players, A and B, take turns to remove one or two stones from a pile of n stones, the player who takes the last stone wins. However, if a player takes two stones, the other player must also take two stones on their next turn if possible. For which values of n between 1 and 100 inclusive can player A... | v3 | train | C | INVALID | INVALID | null |
null | null | q_06fbc1fa29d87213 | no_solution | Let $ABC$ be a triangle with circumcircle $\omega$. Let $D$ be a point on the arc $BC$ not containing $A$ in $\omega$. The tangents to $\omega$ at $B$ and $D$ intersect at $E$. If $P$ and $Q$ are the feet of the perpendiculars from $A$ to $BD$ and $CE$ respectively, prove that $\angle APQ = \angle AQP$. | v1 | train | D | INVALID | INVALID | null |
null | null | q_070a91a31ab26443 | contradiction | A finite sequence of non-zero digits is formed by concatenating all positive integers in increasing order, i.e., "123456789101112..." Continue this sequence infinitely. What is the 1000th digit of this sequence? | v2 | train | D | INVALID | INVALID | null |
null | null | q_070e9d0d30f3b138 | ambiguity | 在一个无限大的网格棋盘上,每个格子可以被标记为黑或白。游戏开始时,从一个角落开始,黑白棋子交错地摆放在相邻的格子上,形成一种特殊的模式。游戏的目标是通过一系列合法操作尽可能多地改变棋盘的颜色。合法操作是指选择一条直线,将这条直线上所有的棋子颜色反转(即,如果一个格子原本是黑色,则变为白色;如果是白色,则变为黑色)。
具体规则如下:
1. 操作只能针对整个行或列,不能只针对单个格子。
2. 如果一个棋盘被操作后所有的棋子颜色都相同,则该棋盘被视为“成功”,并停止操作。
3. 为了增加游戏的趣味性和挑战性,定义一个“翻转数”(Flip Number)——这是指执行一次操作所需的棋子个数。例如,在一个 3x3 的棋盘上,翻转整行需要翻转... | v4 | train | C | INVALID | INVALID | null |
null | null | q_073ebba5ed6e340b | ambiguity | Let \( S \) be a set of \( n \) distinct positive integers, where \( n \geq 3 \). Define a function \( f: \mathcal{P}(S) \to \mathbb{Z} \) on the power set of \( S \) such that for any subset \( A \subseteq S \), \( f(A) \) is the number of ways to partition \( A \) into two non-empty subsets such that the sum of the e... | v4 | train | C | INVALID | INVALID | null |
null | null | q_07df57ba8647b728 | contradiction | A regular octahedron is inscribed within a sphere such that all its vertices touch the sphere. Each edge of the octahedron is 1 unit long. A light source is placed at the center of the sphere, casting shadows of the octahedron onto a flat wall directly opposite the octahedron's vertex. What is the area of the shadow ca... | v5 | train | D | INVALID | INVALID | null |
null | null | q_07e5f5267175bc51 | ambiguity | Three mathematicians, Alice, Bob, and Carol, each have a distinct positive integer on their foreheads, and they see each other's numbers. They are given the sum of the squares of their numbers but not the numbers themselves. They must simultaneously guess whether their own number is larger than or smaller than the aver... | v5 | train | C | INVALID | INVALID | null |
true | Exactly the integers whose decimal digits are obtained as follows: choose a finite list \(a_1,\ldots,a_r\in\{2,\ldots,9\}\), possibly empty, and include exactly \(m=\prod_{i=1}^r a_i-\sum_{i=1}^r a_i\) copies of the digit \(1\), in any order. Here the empty product is \(1\) and empty sum is \(0\), giving \(n=1\). No ze... | q_07fb384dd53e5418 | null | Find all positive integers \( n \) such that \( n \) divides the product of its digits minus the sum of its digits, i.e., \( n \mid (d_1 \cdot d_2 \cdot \ldots \cdot d_k - (d_1 + d_2 + \ldots + d_k)) \), where \( d_1, d_2, \ldots, d_k \) are the digits of \( n \). | v2 | train | A | VALID | Exactly the integers whose decimal digits are obtained as follows: choose a finite list \(a_1,\ldots,a_r\in\{2,\ldots,9\}\), possibly empty, and include exactly \(m=\prod_{i=1}^r a_i-\sum_{i=1}^r a_i\) copies of the digit \(1\), in any order. Here the empty product is \(1\) and empty sum is \(0\), giving \(n=1\). No ze... | 0.99 |
null | null | q_08454bb1ce81845f | ambiguity | Consider a regular hexagon $ABCDEF$ with side length $10$. Each vertex is connected to every other vertex by a diagonal. Find the number of diagonals that intersect the interior of the hexagon, passing through more than two vertices. Additionally, determine the length of the longest diagonal that does not pass through ... | v2 | train | C | INVALID | INVALID | null |
null | null | q_086f92c0e1b4f9b1 | no_solution | In the mystical land of Numeria, a peculiar tree grows called the "Tripletizer," whose fruits reveal a number when peeled. A wise sage, intrigued by the patterns in the numbers revealed, noticed that the Tripletizer's fruits displayed numbers in a sequence that adhered to the following rule: the $n^{th}$ fruit's number... | v5 | train | D | INVALID | INVALID | null |
true | 10^\circ | q_0883e93bd725021a | null | In an isosceles triangle \(ABC\) with \(AB = AC\) and \(\angle BAC = 20^\circ\), point \(D\) is on \(AB\) such that \(AD = BC\). Additionally, point \(E\) is on \(AC\) such that \(AE = BD\). Find the measure of \(\angle ACD\). | v1 | train | A | VALID | 10^\circ | 0.999 |
true | 6 | q_08c9a250498074ba | null | A positive integer \( n \) is called super-decomposable if \( n \) can be written as \( n = ab \), where \( a \) and \( b \) are integers greater than 1 such that \( \gcd(a, b) = 1 \). What is the smallest super-decomposable number? | v1 | train | A | VALID | 6 | 1 |
true | 5508 | q_08dd7d9695e709f1 | null | In a complex hexagonal lattice, each node is connected to six neighboring nodes by edges. A particle starts at the center node and moves to one of its neighbors with equal probability at each step. It is known that the particle can revisit nodes it has already visited. How many distinct paths of exactly 5 steps can the... | v5 | train | A | VALID | 5508 | 0.99 |
null | null | q_091558d2240ba2c1 | ambiguity | Let $P(x)$ be a polynomial with integer coefficients such that $P(10) = 1000$ and $P(100) = 100000$. Given that $P(x)$ has a degree of at most $5$, find the number of possible integer roots that $P(x)$ can have. | v2 | train | C | INVALID | INVALID | null |
true | 541 | q_09343e18de338536 | null | A sequence of positive integers \(a_1, a_2, a_3, \ldots\) is defined recursively by \(a_1 = 2\), and for \(n \geq 2\), \(a_n\) is the smallest integer greater than \(a_{n-1}\) such that no term \(a_k\) (for \(1 \leq k < n\)) divides \(a_n\). Find the remainder when \(a_{100}\) is divided by 1000. | v1 | train | A | VALID | 541 | 1 |
true | 990 | q_098f566736dc6e57 | null | In the plane, consider a set of $2021$ distinct points, no three of which are collinear. These points represent the vertices of a convex polygon. A "score" of a pair of points is defined as the number of triangles formed by these points with both vertices as vertices of one of the triangles. If the total score for all ... | v5 | train | A | VALID | 990 | 0.99 |
null | null | q_099b39b58307c919 | no_solution | What is the smallest positive integer \(n\) such that for all integers \(a\) and \(b\) where \(1 \leq a < b < n\), the product \(ab\) is not divisible by \(n\), given that \(n\) is the product of two distinct primes, \(n = pq\) where \(p\) and \(q\) are prime numbers? | v4 | train | D | INVALID | INVALID | null |
true | n=9 | q_09dee11b1ad72ee3 | null | Find all positive integers \( n \) for which \( n^3 - 14n^2 + 53n - 72 \) is a perfect square. | v2 | train | A | VALID | n=9 | 0.99 |
true | 2023 | q_09fa0495f139c00e | null | A sequence of positive integers \(a_1, a_2, a_3, \ldots, a_n\) is defined as follows: \(a_1 = 1\), \(a_2 = 2\), and for \(n \geq 3\), \(a_n\) is the smallest positive integer not among \(a_1, a_2, \ldots, a_{n-1}\) such that \(a_n\) is relatively prime to \(a_{n-1}\). Determine the value of \(a_{2023}\). | v1 | train | A | VALID | 2023 | 1 |
true | 1/1 | q_0a1251cf977abf69 | null | Find the number of ordered pairs of positive integers $(m,n)$ such that the sum of the squares of $m$ and $n$ equals the sum of the cubes of $m$ and $n$. Express your answer as a common fraction. | v1 | train | A | VALID | 1/1 | 1 |
null | null | q_0a6f111ac5b78bb9 | contradiction | Let \( f(x) \) be a polynomial of degree 3 such that \( f(1) = 1 \), \( f(2) = 4 \), \( f(3) = 9 \), and \( f(4) = 16 \). Find the value of \( f(5) \). | v1 | train | D | INVALID | INVALID | null |
null | null | q_0aa39f15e0684a2d | ambiguity | 在三维欧几里得空间中,考虑所有单位向量 $\mathbf{u} = (x, y, z)$ 满足条件 $|x| + |y| + |z| \leq 1$。设 $S$ 为这些单位向量的集合。现在,从 $S$ 中随机选取一个点 $\mathbf{p}$,然后沿着从原点到 $\mathbf{p}$ 的直线方向飞行,飞行的距离等于从原点到 $\mathbf{p}$ 的距离。求在飞行过程中,与初始位置相距不超过单位距离的所有可能终点的体积,表示为 $V$。设 $V$ 的值为 $A\pi + B\sqrt{C} + D\sqrt{E}$,其中 $A, B, C, D, E$ 是整数,且 $C$ 和 $E$ 无平方因子。求 $A + B + C + ... | v5 | train | C | INVALID | INVALID | null |
true | Countably infinitely many | q_0ab1a56491e29270 | null | Find the number of ordered pairs \((a, b)\) of integers such that the equation
\[ x^2 + ax + b = 0 \]
has integer roots and the sum of the roots is a multiple of 10. | v1 | train | A | VALID | Countably infinitely many | 1 |
true | 2 | q_0ab6e4b0143a3a45 | null | Find the number of real solutions to the equation \( x^{10} + 9x^9 + 14x^8 + 1 = 0 \). | v1 | train | A | VALID | 2 | 0.99 |
null | null | q_0ab93b1ca1d4909f | ambiguity | 在无限大的棋盘上,有n个棋子,每个棋子的位置由整数坐标(x,y)表示。这些棋子之间的曼哈顿距离(|x1-x2| + |y1-y2|)大于等于k。给定n和k,请设计一个算法来确定是否可以将这n个棋子放置在一个方形网格(边长为整数)内,并且这个网格满足所有棋子之间的最小曼哈顿距离至少为k。如果可以找到这样的网格,请返回网格的最小边长;如果不能,返回-1。 | v5 | train | C | INVALID | INVALID | null |
null | null | q_0abe71a23db1c2fa | contradiction | In a mystical village, there exists a tree with a unique property: it grows fruits in such a way that the number of fruits in each generation follows a specific mathematical pattern. The tree starts with 1 fruit in the first generation. In the second generation, it doubles the number of fruits to 2. From the third gene... | v5 | train | D | INVALID | INVALID | null |
null | null | q_0b01a890d5a3c073 | no_solution | In a peculiar country, there exists a set of \(n\) cities, each connected by a unique bidirectional road to every other city. Each road has an associated cost, and it's known that the total sum of all road costs is divisible by 7. A traveler wishes to visit all \(n\) cities exactly once and return to the starting city,... | v5 | train | D | INVALID | INVALID | null |
null | null | q_0b6d79b4c821edf9 | contradiction | In the Cartesian plane, a particle moves from the origin \( (0, 0) \) to the point \( (n, n) \) by taking unit steps either right or up, and then from \( (n, n) \) to \( (2n, 0) \) by taking unit steps either left or down. Let \( P_n \) be the number of distinct paths the particle can take. Prove that \( P_n \) is divi... | v2 | train | D | INVALID | INVALID | null |
true | 4\sqrt{2} | q_0b76e8eb7817eb69 | null | Let $f(x) = x^4 - 4x^3 + 10x^2 - 12x + 9$ be a polynomial with integer coefficients. Suppose that $r_1, r_2, r_3, r_4$ are the roots of $f(x)$, not necessarily distinct, in the complex plane. Find the smallest possible value of
$$
|r_1 - r_2| + |r_2 - r_3| + |r_3 - r_4| + |r_4 - r_1|
$$
where $| \cdot |$ denotes the co... | v4 | train | A | VALID | 4\sqrt{2} | 0.99 |
null | null | q_0b861bfab252d432 | ambiguity | 在平面上有 \(n\) 条互不相同的直线,每条直线将平面分为两个半平面。这些直线最多能将平面分成多少个区域?已知 \(n \geq 3\),且任意三条直线不共点。此外,给出任意一条直线和所有其他直线交点的坐标,请求出所有区域的面积之和。 | v4 | train | C | INVALID | INVALID | null |
null | null | q_0b948e8660937e56 | no_solution | In a unique coordinate system on a sphere of radius \(R\), every point on the surface is defined by its spherical coordinates \((\theta, \phi)\), where \(\theta\) is the polar angle (ranging from \(0\) to \(\pi\)) and \(\phi\) is the azimuthal angle (ranging from \(0\) to \(2\pi\)). Consider a set of \(n\) points on th... | v3 | train | D | INVALID | INVALID | null |
true | 0 | q_0bb21cfe1d36e0d4 | null | In the sequence \( a_n \) defined by \( a_1 = 1 \) and \( a_{n+1} = a_n + \frac{1}{a_n} \) for all \( n \geq 1 \), determine the integer part of the sum \( \sum_{k=1}^{100} \left( \frac{1}{a_k + a_{k+1}} \right)^2 \). | v2 | train | A | VALID | 0 | 0.99 |
true | Infinitely many (all integers k \ge 0) | q_0bcf3de40388ac9b | null | In a sequence of positive integers \(a_1, a_2, \ldots, a_{2023}\), each term \(a_n\) satisfies \(a_n = n^2 + k\) for some fixed integer \(k\). It is known that for each \(n\), \(a_n\) divides the product of the first \(n\) terms of the sequence, \(a_1 a_2 \cdots a_n\). Find the number of distinct possible values of \(k... | v2 | train | A | VALID | Infinitely many (all integers k \ge 0) | 1 |
null | null | q_0befc6a3c3d6cf65 | missing_information | In the Cartesian plane, consider a circle centered at the origin with radius 1. Two distinct points \(A\) and \(B\) lie on this circle such that the line segment \(AB\) subtends an angle \(\theta\) at the center of the circle, where \(0 < \theta < \pi\). If the product of the \(y\)-coordinates of \(A\) and \(B\) is equ... | v1 | train | C | INVALID | INVALID | null |
true | Take c=2ab+1=ab+(ab+1). Then c∈S, while c≡1 (mod a) and c≡1 (mod b), so neither a nor b divides c. | q_0c49af70e867e2e2 | null | Let \( S \) be the set of all positive integers that can be represented as the sum of two or more consecutive positive integers, starting from some integer \( n \geq 1 \). For example, \( 9 \) is in \( S \) because it can be written as \( 2 + 3 + 4 \). Prove that if \( a \) and \( b \) are two distinct elements of \( S... | v3 | train | A | VALID | Take c=2ab+1=ab+(ab+1). Then c∈S, while c≡1 (mod a) and c≡1 (mod b), so neither a nor b divides c. | 1 |
null | null | q_0c6db88f38b2af2d | no_solution | A sequence of positive integers is defined by \( a_1 = 1 \), \( a_2 = 2 \), and for \( n \geq 3 \), \( a_n = a_{n-1} + a_{n-2} + d_n \), where \( d_n \) is the smallest positive integer not appearing earlier in the sequence that is also not a multiple of any previous \( a_i \). Find \( a_{10} \). | v2 | train | D | INVALID | INVALID | null |
null | null | q_0c743595f63c5f50 | missing_information | In a small village, there are 100 families. Each family has either 1, 2, or 3 children. The total number of children in the village is exactly 200. If each family with 2 children has exactly 1 dog, and each family with 3 children has exactly 2 dogs, how many dogs are there in the village? | v1 | train | C | INVALID | INVALID | null |
true | 198 | q_0c99039330c6eb97 | null | Find the number of ordered pairs \((a, b)\) of positive integers such that \(a, b \leq 100\) and \(ab = \left\lfloor \frac{a}{b} \right\rfloor + \left\lfloor \frac{b}{a} \right\rfloor\). | v2 | train | A | VALID | 198 | 1 |
true | 1 | q_0cbb36c23537a5d1 | null | Find the smallest positive integer \( n \) such that \( 2^n + n \) is divisible by \( n \). | v2 | train | A | VALID | 1 | 1 |
true | 189 | q_0ccff4ef912533e3 | null | Let \( S \) be the set of all positive integers that are multiples of 3 but not of 5. Define a sequence \( \{a_n\} \) such that \( a_n \) is the smallest element in \( S \) that can be expressed as the sum of \( n \) distinct elements from \( S \). Find \( a_{10} \). | v2 | train | A | VALID | 189 | 0.99 |
true | 1633 | q_0ce928e9cd6f75c6 | null | Let $S$ be a set of 100 points in the plane such that no three points are collinear and the distance between any two points is at least 1 unit. A subset $T$ of $S$ is called a "triangulation" if $T$ consists of exactly 99 points and any two points in $T$ can be connected by a straight line segment that does not pass th... | v4 | train | A | VALID | 1633 | 0.99 |
Conservative clean Terra validity dataset used for Solver initialization in R-Quest.
Paper · Code · Project Page
excluded_valid.jsonl, manifest.json, and analysis/ are audit artifacts
and are not training splits.
@misc{li2026rquest,
title={Questioning the Questions: Sustaining Self-Evolution in Reasoning Models},
author={Jinyuan Li and Chengsong Huang and Langlin Huang and Donghong Cai and Shiping Gao and Yuyi Yang and Jiaxin Huang},
year={2026},
eprint={2610.04299},
archivePrefix={arXiv},
primaryClass={cs.LG},
url={https://arxiv.org/abs/2610.04299}
}