message stringlengths 2 67k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 463 109k | cluster float64 19 19 | __index_level_0__ int64 926 217k |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
"Duel!"
Betting on the lovely princess Claris, the duel between Tokitsukaze and Quailty has started.
There are n cards in a row. Each card has two sides, one of which has color. At first, some... | instruction | 0 | 48,918 | 19 | 97,836 |
Yes | output | 1 | 48,918 | 19 | 97,837 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
"Duel!"
Betting on the lovely princess Claris, the duel between Tokitsukaze and Quailty has started.
There are n cards in a row. Each card has two sides, one of which has color. At first, some... | instruction | 0 | 48,919 | 19 | 97,838 |
No | output | 1 | 48,919 | 19 | 97,839 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
"Duel!"
Betting on the lovely princess Claris, the duel between Tokitsukaze and Quailty has started.
There are n cards in a row. Each card has two sides, one of which has color. At first, some... | instruction | 0 | 48,920 | 19 | 97,840 |
No | output | 1 | 48,920 | 19 | 97,841 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
"Duel!"
Betting on the lovely princess Claris, the duel between Tokitsukaze and Quailty has started.
There are n cards in a row. Each card has two sides, one of which has color. At first, some... | instruction | 0 | 48,921 | 19 | 97,842 |
No | output | 1 | 48,921 | 19 | 97,843 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
"Duel!"
Betting on the lovely princess Claris, the duel between Tokitsukaze and Quailty has started.
There are n cards in a row. Each card has two sides, one of which has color. At first, some... | instruction | 0 | 48,922 | 19 | 97,844 |
No | output | 1 | 48,922 | 19 | 97,845 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have a deck of n cards, and you'd like to reorder it to a new one.
Each card has a value between 1 and n equal to p_i. All p_i are pairwise distinct. Cards in a deck are numbered from bottom to top, i. e. p_1 stands for the bottom card,... | instruction | 0 | 49,058 | 19 | 98,116 |
Tags: data structures, greedy, math
Correct Solution:
```
t = int(input())
for _ in range(t):
n = int(input())
dec = list(map(int, input().split()))
dic = {}
for i in range(n):
dic[dec[i]] = i
covered_till = n
new_dec = []
for i in range(n, 0, -1):
if dic[i] < covered_till:... | output | 1 | 49,058 | 19 | 98,117 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have a deck of n cards, and you'd like to reorder it to a new one.
Each card has a value between 1 and n equal to p_i. All p_i are pairwise distinct. Cards in a deck are numbered from bottom to top, i. e. p_1 stands for the bottom card,... | instruction | 0 | 49,059 | 19 | 98,118 |
Tags: data structures, greedy, math
Correct Solution:
```
#####segfunc#####
def segfunc(x, y):
return max(x,y)
#################
#####ide_ele#####
ide_ele =-10**18
#################
class SegTree:
def __init__(self, init_val, segfunc, ide_ele):
n = len(init_val)
self.segfunc = segfunc
... | output | 1 | 49,059 | 19 | 98,119 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have a deck of n cards, and you'd like to reorder it to a new one.
Each card has a value between 1 and n equal to p_i. All p_i are pairwise distinct. Cards in a deck are numbered from bottom to top, i. e. p_1 stands for the bottom card,... | instruction | 0 | 49,060 | 19 | 98,120 |
Tags: data structures, greedy, math
Correct Solution:
```
for _ in range(int(input())):
n = int(input())
p = list(map(int,input().split()))
l2 = []
a = p[0]
s = [0]
for i in range(1,n):
if(p[i]>a):
a = p[i]
s.append(i)
s = s[::-1]
ind = n
for j in s... | output | 1 | 49,060 | 19 | 98,121 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have a deck of n cards, and you'd like to reorder it to a new one.
Each card has a value between 1 and n equal to p_i. All p_i are pairwise distinct. Cards in a deck are numbered from bottom to top, i. e. p_1 stands for the bottom card,... | instruction | 0 | 49,061 | 19 | 98,122 |
Tags: data structures, greedy, math
Correct Solution:
```
t = int(input())
r = []
for _ in range(t):
n = int(input())
nums = list(input().split())
pos = [0] * n
for i in range(n):
pos[int(nums[i])-1] = i
index = 0
end = n-1
s = ""
for i in range(n-1, -1, -1):
if pos[i] >... | output | 1 | 49,061 | 19 | 98,123 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have a deck of n cards, and you'd like to reorder it to a new one.
Each card has a value between 1 and n equal to p_i. All p_i are pairwise distinct. Cards in a deck are numbered from bottom to top, i. e. p_1 stands for the bottom card,... | instruction | 0 | 49,062 | 19 | 98,124 |
Tags: data structures, greedy, math
Correct Solution:
```
#########################################################################################################\
#########################################################################################################
###################################The_Apurv_Rath... | output | 1 | 49,062 | 19 | 98,125 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have a deck of n cards, and you'd like to reorder it to a new one.
Each card has a value between 1 and n equal to p_i. All p_i are pairwise distinct. Cards in a deck are numbered from bottom to top, i. e. p_1 stands for the bottom card,... | instruction | 0 | 49,063 | 19 | 98,126 |
Tags: data structures, greedy, math
Correct Solution:
```
# cook your dish here
for _ in range(int(input())):
n = int(input())
arr = list(map(int,input().split()))
a = [0]*n
t = []
for i in range(n):
a[arr[i]-1] = i
f = n+1
for i in range(len(a)-1,-1,-1):
if(a[i]>f):
... | output | 1 | 49,063 | 19 | 98,127 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have a deck of n cards, and you'd like to reorder it to a new one.
Each card has a value between 1 and n equal to p_i. All p_i are pairwise distinct. Cards in a deck are numbered from bottom to top, i. e. p_1 stands for the bottom card,... | instruction | 0 | 49,064 | 19 | 98,128 |
Tags: data structures, greedy, math
Correct Solution:
```
import os
import sys
from io import BytesIO, IOBase
import math
from decimal import *
getcontext().prec = 25
MOD = pow(10, 9) + 7
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
self... | output | 1 | 49,064 | 19 | 98,129 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have a deck of n cards, and you'd like to reorder it to a new one.
Each card has a value between 1 and n equal to p_i. All p_i are pairwise distinct. Cards in a deck are numbered from bottom to top, i. e. p_1 stands for the bottom card,... | instruction | 0 | 49,065 | 19 | 98,130 |
Tags: data structures, greedy, math
Correct Solution:
```
for _ in range(int(input())):
n=int(input())
li=list(map(int,input().split()))
b={}
li1=[]
for i in range(n):
b[li[i]]=i
ck=n
for i in range(n,0,-1):
if b[i]<=ck:
for j in range(b[i],ck):
li... | output | 1 | 49,065 | 19 | 98,131 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a deck of n cards, and you'd like to reorder it to a new one.
Each card has a value between 1 and n equal to p_i. All p_i are pairwise distinct. Cards in a deck are numbered from botto... | instruction | 0 | 49,066 | 19 | 98,132 |
Yes | output | 1 | 49,066 | 19 | 98,133 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a deck of n cards, and you'd like to reorder it to a new one.
Each card has a value between 1 and n equal to p_i. All p_i are pairwise distinct. Cards in a deck are numbered from botto... | instruction | 0 | 49,067 | 19 | 98,134 |
Yes | output | 1 | 49,067 | 19 | 98,135 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a deck of n cards, and you'd like to reorder it to a new one.
Each card has a value between 1 and n equal to p_i. All p_i are pairwise distinct. Cards in a deck are numbered from botto... | instruction | 0 | 49,068 | 19 | 98,136 |
Yes | output | 1 | 49,068 | 19 | 98,137 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a deck of n cards, and you'd like to reorder it to a new one.
Each card has a value between 1 and n equal to p_i. All p_i are pairwise distinct. Cards in a deck are numbered from botto... | instruction | 0 | 49,069 | 19 | 98,138 |
Yes | output | 1 | 49,069 | 19 | 98,139 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a deck of n cards, and you'd like to reorder it to a new one.
Each card has a value between 1 and n equal to p_i. All p_i are pairwise distinct. Cards in a deck are numbered from botto... | instruction | 0 | 49,070 | 19 | 98,140 |
No | output | 1 | 49,070 | 19 | 98,141 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a deck of n cards, and you'd like to reorder it to a new one.
Each card has a value between 1 and n equal to p_i. All p_i are pairwise distinct. Cards in a deck are numbered from botto... | instruction | 0 | 49,071 | 19 | 98,142 |
No | output | 1 | 49,071 | 19 | 98,143 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a deck of n cards, and you'd like to reorder it to a new one.
Each card has a value between 1 and n equal to p_i. All p_i are pairwise distinct. Cards in a deck are numbered from botto... | instruction | 0 | 49,072 | 19 | 98,144 |
No | output | 1 | 49,072 | 19 | 98,145 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a deck of n cards, and you'd like to reorder it to a new one.
Each card has a value between 1 and n equal to p_i. All p_i are pairwise distinct. Cards in a deck are numbered from botto... | instruction | 0 | 49,073 | 19 | 98,146 |
No | output | 1 | 49,073 | 19 | 98,147 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi has N cards. The i-th of these cards has an integer A_i written on it.
Takahashi will choose an integer K, and then repeat the following operation some number of times:
* Choose exactly K cards such that the integers written on them are a... | instruction | 0 | 49,429 | 19 | 98,858 |
"Correct Solution:
```
from bisect import *
N=int(input())
A=list(map(int,input().split()))
B=[0]*(N+1)
for i in range(N):
B[A[i]]+=1
C=[0]*(N+1)
for i in range(N+1):
C[B[i]]+=1
D=[0]
E=[0]
for i in range(N+1):
D.append(D[i]+i*C[i])
E.append(E[i]+C[-i-1])
E=E[::-1]
F=[]
for i in range(1,N+1):
F.append((D[i+1]... | output | 1 | 49,429 | 19 | 98,859 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi has N cards. The i-th of these cards has an integer A_i written on it.
Takahashi will choose an integer K, and then repeat the following operation some number of times:
* Choose exactly K cards such that the integers written on them are a... | instruction | 0 | 49,430 | 19 | 98,860 |
"Correct Solution:
```
import sys
from collections import Counter
input = sys.stdin.readline
N = int(input())
a = list(map(int, input().split()))
c = Counter()
for x in a: c[x] += 1
cv = Counter()
for v in c.values(): cv[v] += 1
#print(cv)
def check(x, K):
t = 0
for k, v in cv.items(): t += min(k, x) * v
return ... | output | 1 | 49,430 | 19 | 98,861 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi has N cards. The i-th of these cards has an integer A_i written on it.
Takahashi will choose an integer K, and then repeat the following operation some number of times:
* Choose exactly K cards such that the integers written on them are a... | instruction | 0 | 49,431 | 19 | 98,862 |
"Correct Solution:
```
#!/usr/bin/env python3
import sys
from collections import Counter
from itertools import accumulate
from collections import defaultdict
INF = float("inf")
def solve(N: int, A: "List[int]"):
c = Counter(A)
d = Counter(c.values())
d = tuple(accumulate([d[i] for i in range(N, -1, -1)]))... | output | 1 | 49,431 | 19 | 98,863 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi has N cards. The i-th of these cards has an integer A_i written on it.
Takahashi will choose an integer K, and then repeat the following operation some number of times:
* Choose exactly K cards such that the integers written on them are a... | instruction | 0 | 49,432 | 19 | 98,864 |
"Correct Solution:
```
from collections import defaultdict
from bisect import bisect
N = int(input())
A = list(map(int,input().split()))
d = defaultdict(lambda:0)
for i in range(N):
d[A[i]] += 1
C = [0]*(N+1)
for i in d:
C[d[i]] += 1
C1 = [0]*(N+1)
C2 = [0]*(N+1)
for i in range(N):
C1[i+1] = C1[i] + (... | output | 1 | 49,432 | 19 | 98,865 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi has N cards. The i-th of these cards has an integer A_i written on it.
Takahashi will choose an integer K, and then repeat the following operation some number of times:
* Choose exactly K cards such that the integers written on them are a... | instruction | 0 | 49,433 | 19 | 98,866 |
"Correct Solution:
```
from collections import Counter
import bisect
def main():
N = int(input())
A = list(map(int, input().split()))
count_list = list(Counter(A).values())
count_list.sort()
cumsum_count = [0] * len(count_list)
cumsum_count[0] = count_list[0]
for i in range(1, len(count_li... | output | 1 | 49,433 | 19 | 98,867 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi has N cards. The i-th of these cards has an integer A_i written on it.
Takahashi will choose an integer K, and then repeat the following operation some number of times:
* Choose exactly K cards such that the integers written on them are a... | instruction | 0 | 49,434 | 19 | 98,868 |
"Correct Solution:
```
import bisect
N = int(input())
count = {}
for x in map(int, input().split()):
count[x] = count.get(x, 0) + 1
a = sorted(count.values())
sums = a[:]
n = len(a)
for i in range(1, n):
sums[i] += sums[i-1]
def check(k, x):
pos = bisect.bisect_right(a, x)
if pos == 0:
ret... | output | 1 | 49,434 | 19 | 98,869 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi has N cards. The i-th of these cards has an integer A_i written on it.
Takahashi will choose an integer K, and then repeat the following operation some number of times:
* Choose exactly K cards such that the integers written on them are a... | instruction | 0 | 49,435 | 19 | 98,870 |
"Correct Solution:
```
import bisect as b
n = int(input())
d = [0]*n
for el in map(int, input().split()):
d[el-1] += 1
d.sort()
s = [0]*(n+1)
for i in range(n):
s[i+1] = s[i] + d[i]
for k in range(1, n+1):
l = 0
r = n//k + 1
while(l+1 < r):
c = (l+r)//2
i = b.bisect_left(d, c)
... | output | 1 | 49,435 | 19 | 98,871 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi has N cards. The i-th of these cards has an integer A_i written on it.
Takahashi will choose an integer K, and then repeat the following operation some number of times:
* Choose exactly K cards such that the integers written on them are a... | instruction | 0 | 49,436 | 19 | 98,872 |
"Correct Solution:
```
from collections import Counter
from bisect import bisect_left
from itertools import accumulate
# https://betrue12.hateblo.jp/entry/2019/10/20/001106
N = int(input())
A = list(map(int, input().split()))
a = list(Counter(A).values())
a.sort()
b = list(accumulate(a))
length = len(a)
for i in ran... | output | 1 | 49,436 | 19 | 98,873 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has N cards. The i-th of these cards has an integer A_i written on it.
Takahashi will choose an integer K, and then repeat the following operation some number of times:
* Choose exac... | instruction | 0 | 49,437 | 19 | 98,874 |
Yes | output | 1 | 49,437 | 19 | 98,875 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has N cards. The i-th of these cards has an integer A_i written on it.
Takahashi will choose an integer K, and then repeat the following operation some number of times:
* Choose exac... | instruction | 0 | 49,438 | 19 | 98,876 |
Yes | output | 1 | 49,438 | 19 | 98,877 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has N cards. The i-th of these cards has an integer A_i written on it.
Takahashi will choose an integer K, and then repeat the following operation some number of times:
* Choose exac... | instruction | 0 | 49,439 | 19 | 98,878 |
Yes | output | 1 | 49,439 | 19 | 98,879 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has N cards. The i-th of these cards has an integer A_i written on it.
Takahashi will choose an integer K, and then repeat the following operation some number of times:
* Choose exac... | instruction | 0 | 49,440 | 19 | 98,880 |
Yes | output | 1 | 49,440 | 19 | 98,881 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has N cards. The i-th of these cards has an integer A_i written on it.
Takahashi will choose an integer K, and then repeat the following operation some number of times:
* Choose exac... | instruction | 0 | 49,441 | 19 | 98,882 |
No | output | 1 | 49,441 | 19 | 98,883 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has N cards. The i-th of these cards has an integer A_i written on it.
Takahashi will choose an integer K, and then repeat the following operation some number of times:
* Choose exac... | instruction | 0 | 49,442 | 19 | 98,884 |
No | output | 1 | 49,442 | 19 | 98,885 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has N cards. The i-th of these cards has an integer A_i written on it.
Takahashi will choose an integer K, and then repeat the following operation some number of times:
* Choose exac... | instruction | 0 | 49,443 | 19 | 98,886 |
No | output | 1 | 49,443 | 19 | 98,887 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has N cards. The i-th of these cards has an integer A_i written on it.
Takahashi will choose an integer K, and then repeat the following operation some number of times:
* Choose exac... | instruction | 0 | 49,444 | 19 | 98,888 |
No | output | 1 | 49,444 | 19 | 98,889 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi and Aoki will play a game. They will repeatedly play it until one of them have N wins in total.
When they play the game once, Takahashi wins with probability A %, Aoki wins with probability B %, and the game ends in a draw (that is, nobody... | instruction | 0 | 49,445 | 19 | 98,890 |
"Correct Solution:
```
# -*- coding: utf-8 -*-
"""
Created on Sat Jun 1 20:46:31 2019
@author: Yamazaki Kenichi
"""
import time
N, A, B, C = map(int,input().split())
mod = 10**9+7
tnow = time.time()
def cmb(n, r, mod):
if (r < 0 or r > n):
return 0
r = min(r, n-r)
return g1[n] * g2[r] * g2[n-r]... | output | 1 | 49,445 | 19 | 98,891 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi and Aoki will play a game. They will repeatedly play it until one of them have N wins in total.
When they play the game once, Takahashi wins with probability A %, Aoki wins with probability B %, and the game ends in a draw (that is, nobody... | instruction | 0 | 49,446 | 19 | 98,892 |
"Correct Solution:
```
N, A, B, C = map(int, input().split())
mod = 10 ** 9 + 7
W = [1] * (2 * N + 1)
for w in range(2 * N):
W[w + 1] = ((w + 1) * W[w]) % mod
def rev(a):
return pow(a, mod - 2, mod)
def comb(a, b):
return (W[a] * rev(W[b]) * rev(W[a - b])) % mod
def f(a, b):
res = 0
for i in ... | output | 1 | 49,446 | 19 | 98,893 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi and Aoki will play a game. They will repeatedly play it until one of them have N wins in total.
When they play the game once, Takahashi wins with probability A %, Aoki wins with probability B %, and the game ends in a draw (that is, nobody... | instruction | 0 | 49,447 | 19 | 98,894 |
"Correct Solution:
```
from itertools import*
import math
from collections import*
from heapq import*
from bisect import bisect_left,bisect_right
from copy import deepcopy
inf = float("inf")
mod = 10**9+7
from functools import reduce
import sys
sys.setrecursionlimit(10**7)
k,A,B,C = map(int,input().split())
Max = max(... | output | 1 | 49,447 | 19 | 98,895 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi and Aoki will play a game. They will repeatedly play it until one of them have N wins in total.
When they play the game once, Takahashi wins with probability A %, Aoki wins with probability B %, and the game ends in a draw (that is, nobody... | instruction | 0 | 49,448 | 19 | 98,896 |
"Correct Solution:
```
def gcd(a,b):
if b>a:
a,b=b,a
while b:
a,b=b, a%b
return a
def inv(a):
m=10**9+7
b=m
(x, lastx) = (0, 1)
(y, lasty) = (1, 0)
while b != 0:
q = a // b
(a, b) = (b, a % b)
(x, lastx) = (lastx - q * x, x)
(y, lasty) = (... | output | 1 | 49,448 | 19 | 98,897 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi and Aoki will play a game. They will repeatedly play it until one of them have N wins in total.
When they play the game once, Takahashi wins with probability A %, Aoki wins with probability B %, and the game ends in a draw (that is, nobody... | instruction | 0 | 49,449 | 19 | 98,898 |
"Correct Solution:
```
import sys
sys.setrecursionlimit(10**7)
INF = 10 ** 18
MOD = 10 ** 9 + 7
def POW(x, y): return pow(x, y, MOD)
def INV(x, m=MOD): return pow(x, m - 2, m)
def DIV(x, y, m=MOD): return (x * INV(y, m)) % m
def LI(): return [int(x) for x in sys.stdin.readline().split()]
def LI_(): return [int(x) - 1 f... | output | 1 | 49,449 | 19 | 98,899 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi and Aoki will play a game. They will repeatedly play it until one of them have N wins in total.
When they play the game once, Takahashi wins with probability A %, Aoki wins with probability B %, and the game ends in a draw (that is, nobody... | instruction | 0 | 49,450 | 19 | 98,900 |
"Correct Solution:
```
M=10**9+7
N,A,B,C=map(int,input().split())
f=[1]
for i in range(1,2*N):
f.append(f[-1]*i%M)
t=pow(A+B,M-2,M)
A*=t
B*=t
a=pow(A,N,M)
b=pow(B,N,M)
z=0
for i in range(N):
z+=100*t*f[N+i]*pow(f[N-1]*f[i],M-2,M)*(a+b)
z%=M
a=a*B%M
b=b*A%M
print(z)
``` | output | 1 | 49,450 | 19 | 98,901 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi and Aoki will play a game. They will repeatedly play it until one of them have N wins in total.
When they play the game once, Takahashi wins with probability A %, Aoki wins with probability B %, and the game ends in a draw (that is, nobody... | instruction | 0 | 49,451 | 19 | 98,902 |
"Correct Solution:
```
class Combinatorics:
def __init__(self, N, mod):
'''
Preprocess for calculating binomial coefficients nCr (0 <= r <= n, 0 <= n <= N)
over the finite field Z/(mod)Z.
Input:
N (int): maximum n
mod (int): a prime number. The order of the fi... | output | 1 | 49,451 | 19 | 98,903 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi and Aoki will play a game. They will repeatedly play it until one of them have N wins in total.
When they play the game once, Takahashi wins with probability A %, Aoki wins with probability B %, and the game ends in a draw (that is, nobody... | instruction | 0 | 49,452 | 19 | 98,904 |
"Correct Solution:
```
def main():
mod = 10**9+7
fact = [1]*200001
for i in range(1, 200001):
fact[i] = fact[i-1]*i % mod
def inv_n(n, mod=10**9+7): return pow(n, mod-2, mod)
def nCr(n, r, mod=10**9 +
7): return inv_n(fact[n-r]*fact[r] % mod, mod)*fact[n] % mod
n, a, b, c = ... | output | 1 | 49,452 | 19 | 98,905 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi and Aoki will play a game. They will repeatedly play it until one of them have N wins in total.
When they play the game once, Takahashi wins with probability A %, Aoki wins with proba... | instruction | 0 | 49,453 | 19 | 98,906 |
Yes | output | 1 | 49,453 | 19 | 98,907 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi and Aoki will play a game. They will repeatedly play it until one of them have N wins in total.
When they play the game once, Takahashi wins with probability A %, Aoki wins with proba... | instruction | 0 | 49,454 | 19 | 98,908 |
Yes | output | 1 | 49,454 | 19 | 98,909 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi and Aoki will play a game. They will repeatedly play it until one of them have N wins in total.
When they play the game once, Takahashi wins with probability A %, Aoki wins with proba... | instruction | 0 | 49,455 | 19 | 98,910 |
Yes | output | 1 | 49,455 | 19 | 98,911 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi and Aoki will play a game. They will repeatedly play it until one of them have N wins in total.
When they play the game once, Takahashi wins with probability A %, Aoki wins with proba... | instruction | 0 | 49,456 | 19 | 98,912 |
Yes | output | 1 | 49,456 | 19 | 98,913 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi and Aoki will play a game. They will repeatedly play it until one of them have N wins in total.
When they play the game once, Takahashi wins with probability A %, Aoki wins with proba... | instruction | 0 | 49,457 | 19 | 98,914 |
No | output | 1 | 49,457 | 19 | 98,915 |
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