message stringlengths 2 22.8k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 16 109k | cluster float64 1 1 | __index_level_0__ int64 32 217k |
|---|---|---|---|---|---|
Provide tags and a correct Python 3 solution for this coding contest problem.
Farmer John has a farm that consists of n pastures connected by one-directional roads. Each road has a weight, representing the time it takes to go from the start to the end of the road. The roads could have negative weight, where the cows g... | instruction | 0 | 54,205 | 1 | 108,410 |
Tags: constructive algorithms, graphs, greedy, shortest paths, sortings
Correct Solution:
```
t=int(input())
for i in range(t):
n=int(input())
l=list(map(int,input().split()))
l.sort()
req=0
s=0
j=2
while j<n:
req-=l[j]*(j-1)
s+=l[j-2]
req+=s
j+=1
print(re... | output | 1 | 54,205 | 1 | 108,411 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Farmer John has a farm that consists of n pastures connected by one-directional roads. Each road has a weight, representing the time it takes to go from the start to the end of the road. The roads could have negative weight, where the cows g... | instruction | 0 | 54,206 | 1 | 108,412 |
Tags: constructive algorithms, graphs, greedy, shortest paths, sortings
Correct Solution:
```
from collections import defaultdict
t = int(input())
def solve():
n = int(input())
arr = list(map(int, input().split()))
arr.sort()
v0 = 0
s = 0
for i in range(2, n):
s += arr[i - 2]
v... | output | 1 | 54,206 | 1 | 108,413 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Farmer John has a farm that consists of n pastures connected by one-directional roads. Each road has a weight, representing the time it takes to go from the start to the end of the road. The roads could have negative weight, where the cows g... | instruction | 0 | 54,207 | 1 | 108,414 |
Tags: constructive algorithms, graphs, greedy, shortest paths, sortings
Correct Solution:
```
t = int(input())
for c in range(t):
n = int(input())
a = [int(e) for e in input().split()]
a.sort()
ans = 0
for i in range(1, n):
d = a[i] - a[i - 1]
ans += d
for i in range(1, n):
... | output | 1 | 54,207 | 1 | 108,415 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Π‘ity N. has a huge problem with roads, food and IT-infrastructure. In total the city has n junctions, some pairs of them are connected by bidirectional roads. The road network consists of n - 1 roads, you can get from any junction to any oth... | instruction | 0 | 54,232 | 1 | 108,464 |
Tags: dfs and similar, dp, trees
Correct Solution:
```
from sys import stdin
n=int(stdin.readline())
g=[[] for i in range(n)]
for _ in range(n-1):
x,y=map(int,stdin.readline().split())
x-=1
y-=1
g[x].append(y)
g[y].append(x)
subtree_size=[0]*n
stack=[[-1,0,0]]
ans=[]
while stack:
par,ver,state=stack.pop()
... | output | 1 | 54,232 | 1 | 108,465 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Π‘ity N. has a huge problem with roads, food and IT-infrastructure. In total the city has n junctions, some pairs of them are connected by bidirectional roads. The road network consists of n - 1 roads, you can get from any junction to any oth... | instruction | 0 | 54,233 | 1 | 108,466 |
Tags: dfs and similar, dp, trees
Correct Solution:
```
###pyrival template for fast IO
import os
import sys
from io import BytesIO, IOBase
# region fastio
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
self.buffer = BytesIO()
self.wri... | output | 1 | 54,233 | 1 | 108,467 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Π‘ity N. has a huge problem with roads, food and IT-infrastructure. In total the city has n junctions, some pairs of them are connected by bidirectional roads. The road network consists of n - 1 roads, you can get from any junction to any oth... | instruction | 0 | 54,234 | 1 | 108,468 |
Tags: dfs and similar, dp, trees
Correct Solution:
```
from os import path
import sys,time, collections as c , math as m , pprint as p
maxx , localsys , mod = float('inf'), 0 , int(1e9 + 7)
if (path.exists('input.txt')): sys.stdin=open('input.txt','r') ; sys.stdout=open('output.txt','w')
input = sys.stdin.readline
de... | output | 1 | 54,234 | 1 | 108,469 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Π‘ity N. has a huge problem with roads, food and IT-infrastructure. In total the city has n junctions, some pairs of them are connected by bidirectional roads. The road network consists of n - 1 roads, you can get from any junction to any oth... | instruction | 0 | 54,235 | 1 | 108,470 |
Tags: dfs and similar, dp, trees
Correct Solution:
```
"""
Author - Satwik Tiwari .
17th NOV , 2020 - Tuesday
"""
#===============================================================================================
#importing some useful libraries.
from __future__ import division, print_function
from fractions i... | output | 1 | 54,235 | 1 | 108,471 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Π‘ity N. has a huge problem with roads, food and IT-infrastructure. In total the city has n junctions, some pairs of them are connected by bidirectional roads. The road network consists of n - 1 roads, you can get from any junction to any oth... | instruction | 0 | 54,236 | 1 | 108,472 |
Tags: dfs and similar, dp, trees
Correct Solution:
```
from collections import defaultdict,deque
import sys
import bisect
input=sys.stdin.readline
mod=1000000007
graph=defaultdict(list)
n=int(input())
for i in range(n-1):
x,y=map(int,input().split())
graph[x].append(y)
graph[y].append(x)
vis=set()
CHECK,OB... | output | 1 | 54,236 | 1 | 108,473 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Π‘ity N. has a huge problem with roads, food and IT-infrastructure. In total the city has n junctions, some pairs of them are connected by bidirectional roads. The road network consists of n - 1 ... | instruction | 0 | 54,237 | 1 | 108,474 |
No | output | 1 | 54,237 | 1 | 108,475 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Π‘ity N. has a huge problem with roads, food and IT-infrastructure. In total the city has n junctions, some pairs of them are connected by bidirectional roads. The road network consists of n - 1 ... | instruction | 0 | 54,238 | 1 | 108,476 |
No | output | 1 | 54,238 | 1 | 108,477 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Π‘ity N. has a huge problem with roads, food and IT-infrastructure. In total the city has n junctions, some pairs of them are connected by bidirectional roads. The road network consists of n - 1 ... | instruction | 0 | 54,239 | 1 | 108,478 |
No | output | 1 | 54,239 | 1 | 108,479 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Π‘ity N. has a huge problem with roads, food and IT-infrastructure. In total the city has n junctions, some pairs of them are connected by bidirectional roads. The road network consists of n - 1 ... | instruction | 0 | 54,240 | 1 | 108,480 |
No | output | 1 | 54,240 | 1 | 108,481 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The New Vasjuki village is stretched along the motorway and that's why every house on it is characterized by its shift relative to some fixed point β the xi coordinate. The village consists of n houses, the i-th house is located in the point... | instruction | 0 | 54,356 | 1 | 108,712 |
Tags: binary search, greedy
Correct Solution:
```
from decimal import *
n=int(input())
a=sorted(map(int,input().split()))
i=1-n
j=n-2
s=0
getcontext().prec = 6
Decimal(1) / Decimal(7)
n=a[j]-a[i]
while s<n:
l,r=a[i]-a[0],a[-1]-a[j]
if l<r:
if n<=l:
s=n
break
i+=1
s=l
else:
if n<=r:
s=n
break
j-... | output | 1 | 54,356 | 1 | 108,713 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The New Vasjuki village is stretched along the motorway and that's why every house on it is characterized by its shift relative to some fixed point β the xi coordinate. The village consists of n houses, the i-th house is located in the point... | instruction | 0 | 54,357 | 1 | 108,714 |
Tags: binary search, greedy
Correct Solution:
```
n = int(input())
houses = sorted(set(map(int, input().split())))
if len(houses) <= 3:
print(0)
result = houses[:]
while len(result) < 3:
result.append(result[-1])
print('%.6f %.6f %.6f' % tuple(result))
import sys; sys.exit()
span = 0
left ... | output | 1 | 54,357 | 1 | 108,715 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The New Vasjuki village is stretched along the motorway and that's why every house on it is characterized by its shift relative to some fixed point β the xi coordinate. The village consists of n houses, the i-th house is located in the point... | instruction | 0 | 54,358 | 1 | 108,716 |
Tags: binary search, greedy
Correct Solution:
```
import math,sys
#from itertools import permutations, combinations;import heapq,random;
from collections import defaultdict,deque
import bisect as bi
def yes():print('YES')
def no():print('NO')
#sys.stdin=open('input.txt','r');sys.stdout=open('output.txt','w');
def I():r... | output | 1 | 54,358 | 1 | 108,717 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The New Vasjuki village is stretched along the motorway and that's why every house on it is characterized by its shift relative to some fixed point β the xi coordinate. The village consists of n houses, the i-th house is located in the point... | instruction | 0 | 54,359 | 1 | 108,718 |
Tags: binary search, greedy
Correct Solution:
```
from decimal import *
n=int(input())
a=sorted(map(int,input().split()))
i=1-n
j=n-2
s=0
getcontext().prec = 6
Decimal(1) / Decimal(7)
n=a[j]-a[i]
while s<n:
l,r=a[i]-a[0],a[-1]-a[j]
if l<r:
if n<=l:
s=n
break
i+=1
s=l
else:
if n<=r:
s=n
break
j-... | output | 1 | 54,359 | 1 | 108,719 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The New Vasjuki village is stretched along the motorway and that's why every house on it is characterized by its shift relative to some fixed point β the xi coordinate. The village consists of n houses, the i-th house is located in the point... | instruction | 0 | 54,360 | 1 | 108,720 |
Tags: binary search, greedy
Correct Solution:
```
#!/usr/bin/env python
#-*-coding:utf-8 -*-
n=int(input())
X=sorted(map(int,input().split()))
i=1-n
j=n-2
s=0
n=X[j]-X[i]
while s<n:
l,r=X[i]-X[0],X[-1]-X[j]
if l<r:
if n<=l:
s=n
break
i+=1
s=l
else:
if n<=r:
s=n
break
j-=1
s=r
n=X[j]-X[i]
s/=... | output | 1 | 54,360 | 1 | 108,721 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The New Vasjuki village is stretched along the motorway and that's why every house on it is characterized by its shift relative to some fixed point β the xi coordinate. The village consists of n houses, the i-th house is located in the point... | instruction | 0 | 54,361 | 1 | 108,722 |
Tags: binary search, greedy
Correct Solution:
```
#!/usr/bin/env python
#-*-coding:utf-8 -*-
n=int(input())
X=sorted(map(int,input().split()))
i=1-n
j=n-2
s=0
n=X[j]-X[i]
while s<n:
l,r=X[i]-X[0],X[-1]-X[j]
if l<r:
if n<=l:
s=n
break
i+=1
s=l
else:
if n<=r:
s=n
break
j-=1
s=r
n=X[j]-X[i]
s/=... | output | 1 | 54,361 | 1 | 108,723 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The New Vasjuki village is stretched along the motorway and that's why every house on it is characterized by its shift relative to some fixed point β the xi coordinate. The village consists of n houses, the i-th house is located in the point... | instruction | 0 | 54,362 | 1 | 108,724 |
Tags: binary search, greedy
Correct Solution:
```
import os, sys
from io import IOBase, BytesIO
py2 = round(0.5)
if py2:
from future_builtins import ascii, filter, hex, map, oct, zip
range = xrange
BUFSIZE = 8192
class FastIO(BytesIO):
newlines = 0
def __init__(self, file):
self._file = fil... | output | 1 | 54,362 | 1 | 108,725 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The New Vasjuki village is stretched along the motorway and that's why every house on it is characterized by its shift relative to some fixed point β the xi coordinate. The village consists of n houses, the i-th house is located in the point... | instruction | 0 | 54,363 | 1 | 108,726 |
Tags: binary search, greedy
Correct Solution:
```
n = int(input())
a = sorted(map(int, input().split()))
i = 1 - n
j = n - 2
s = 0
n = a[j] - a[i]
while s < n:
l, r = a[i] - a[0], a[-1] - a[j]
if l < r:
if n <= l:
s = n
break
i += 1
s = l
else:
if n <... | output | 1 | 54,363 | 1 | 108,727 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The New Vasjuki village is stretched along the motorway and that's why every house on it is characterized by its shift relative to some fixed point β the xi coordinate. The village consists of n... | instruction | 0 | 54,364 | 1 | 108,728 |
No | output | 1 | 54,364 | 1 | 108,729 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The New Vasjuki village is stretched along the motorway and that's why every house on it is characterized by its shift relative to some fixed point β the xi coordinate. The village consists of n... | instruction | 0 | 54,366 | 1 | 108,732 |
No | output | 1 | 54,366 | 1 | 108,733 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The New Vasjuki village is stretched along the motorway and that's why every house on it is characterized by its shift relative to some fixed point β the xi coordinate. The village consists of n... | instruction | 0 | 54,367 | 1 | 108,734 |
No | output | 1 | 54,367 | 1 | 108,735 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Okabe likes to take walks but knows that spies from the Organization could be anywhere; that's why he wants to know how many different walks he can take in his city safely. Okabe's city can be r... | instruction | 0 | 54,483 | 1 | 108,966 |
No | output | 1 | 54,483 | 1 | 108,967 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Okabe likes to take walks but knows that spies from the Organization could be anywhere; that's why he wants to know how many different walks he can take in his city safely. Okabe's city can be r... | instruction | 0 | 54,484 | 1 | 108,968 |
No | output | 1 | 54,484 | 1 | 108,969 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Okabe likes to take walks but knows that spies from the Organization could be anywhere; that's why he wants to know how many different walks he can take in his city safely. Okabe's city can be r... | instruction | 0 | 54,485 | 1 | 108,970 |
No | output | 1 | 54,485 | 1 | 108,971 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Okabe likes to take walks but knows that spies from the Organization could be anywhere; that's why he wants to know how many different walks he can take in his city safely. Okabe's city can be r... | instruction | 0 | 54,486 | 1 | 108,972 |
No | output | 1 | 54,486 | 1 | 108,973 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ralph is in the Binary Country. The Binary Country consists of n cities and (n - 1) bidirectional roads connecting the cities. The roads are numbered from 1 to (n - 1), the i-th road connects th... | instruction | 0 | 54,498 | 1 | 108,996 |
No | output | 1 | 54,498 | 1 | 108,997 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ralph is in the Binary Country. The Binary Country consists of n cities and (n - 1) bidirectional roads connecting the cities. The roads are numbered from 1 to (n - 1), the i-th road connects th... | instruction | 0 | 54,499 | 1 | 108,998 |
No | output | 1 | 54,499 | 1 | 108,999 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ralph is in the Binary Country. The Binary Country consists of n cities and (n - 1) bidirectional roads connecting the cities. The roads are numbered from 1 to (n - 1), the i-th road connects th... | instruction | 0 | 54,500 | 1 | 109,000 |
No | output | 1 | 54,500 | 1 | 109,001 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ralph is in the Binary Country. The Binary Country consists of n cities and (n - 1) bidirectional roads connecting the cities. The roads are numbered from 1 to (n - 1), the i-th road connects th... | instruction | 0 | 54,501 | 1 | 109,002 |
No | output | 1 | 54,501 | 1 | 109,003 |
Provide tags and a correct Python 3 solution for this coding contest problem.
So, the Berland is at war with its eternal enemy Flatland again, and Vasya, an accountant, was assigned to fulfil his duty to the nation.
Right now the situation in Berland is dismal β their both cities are surrounded! The armies of flatla... | instruction | 0 | 55,061 | 1 | 110,122 |
Tags: geometry
Correct Solution:
```
import os, sys
from io import IOBase, BytesIO
from functools import lru_cache, cmp_to_key
from heapq import merge, heapify, heappop, heappush
from math import ceil, floor, gcd, fabs, factorial, fmod, sqrt, inf, log, pi, sin
from collections import defaultdict as dd, deque, Counter a... | output | 1 | 55,061 | 1 | 110,123 |
Provide tags and a correct Python 3 solution for this coding contest problem.
So, the Berland is at war with its eternal enemy Flatland again, and Vasya, an accountant, was assigned to fulfil his duty to the nation.
Right now the situation in Berland is dismal β their both cities are surrounded! The armies of flatla... | instruction | 0 | 55,062 | 1 | 110,124 |
Tags: geometry
Correct Solution:
```
import math
city1 = list(map(int, input().split()))
city2 = list(map(int, input().split()))
x = max(city1[0], city2[0]) - min(city1[0], city2[0])
y = max(city1[1], city2[1]) - min(city1[1], city2[1])
R = max(city1[2], city2[2])
r = min(city1[2], city2[2])
c = math.sqrt(x ** 2 + y **... | output | 1 | 55,062 | 1 | 110,125 |
Provide tags and a correct Python 3 solution for this coding contest problem.
So, the Berland is at war with its eternal enemy Flatland again, and Vasya, an accountant, was assigned to fulfil his duty to the nation.
Right now the situation in Berland is dismal β their both cities are surrounded! The armies of flatla... | instruction | 0 | 55,063 | 1 | 110,126 |
Tags: geometry
Correct Solution:
```
a, b, c = map(int, input().split())
d, e, f = map(int, input().split())
r = ((a - d)**2 + (b - e)**2) ** .5
if r >= c + f:
print((r - c - f) / 2)
elif r <= abs(c - f):
print((abs(c - f) - r) / 2)
else:
print(0)
``` | output | 1 | 55,063 | 1 | 110,127 |
Provide tags and a correct Python 3 solution for this coding contest problem.
So, the Berland is at war with its eternal enemy Flatland again, and Vasya, an accountant, was assigned to fulfil his duty to the nation.
Right now the situation in Berland is dismal β their both cities are surrounded! The armies of flatla... | instruction | 0 | 55,064 | 1 | 110,128 |
Tags: geometry
Correct Solution:
```
a = list(map(int,input().split()))
b = list(map(int,input().split()))
import math
d = abs(a[0]-b[0])**2+abs(a[1]-b[1])**2
if d >= (a[2] + b[2])**2:
print((math.sqrt(d)-a[2]-b[2])/2)
quit()
d = math.sqrt(d)
print(max(max(a[2],b[2])-d-min(a[2],b[2]),0)/2)
``` | output | 1 | 55,064 | 1 | 110,129 |
Provide tags and a correct Python 3 solution for this coding contest problem.
So, the Berland is at war with its eternal enemy Flatland again, and Vasya, an accountant, was assigned to fulfil his duty to the nation.
Right now the situation in Berland is dismal β their both cities are surrounded! The armies of flatla... | instruction | 0 | 55,065 | 1 | 110,130 |
Tags: geometry
Correct Solution:
```
from math import pow
n, m, r = map(int, input().split())
n1, m1, r1 = map(int, input().split())
dis = pow(pow(n1-n,2)+pow(m-m1,2), 1/2)
if abs(r1-r)<=dis<=abs(r1+r):
rad = 0
elif dis<r1+r:
if r1>r:
rad = r1-dis-r
else:
rad = r -dis-r1
else:
rad = dis-... | output | 1 | 55,065 | 1 | 110,131 |
Provide tags and a correct Python 3 solution for this coding contest problem.
So, the Berland is at war with its eternal enemy Flatland again, and Vasya, an accountant, was assigned to fulfil his duty to the nation.
Right now the situation in Berland is dismal β their both cities are surrounded! The armies of flatla... | instruction | 0 | 55,066 | 1 | 110,132 |
Tags: geometry
Correct Solution:
```
x1,y1,r1=list(map(float,input().split()))
x2,y2,r2=list(map(float,input().split()))
if r1>r2:
r2,r1=r1,r2
d=((x2-x1)**2 + (y2-y1)**2)**(0.5)
if d>r1+r2:
print((d-(r1+r2))/2)
elif r2>d+r1:
print((r2-(r1+d))/2)
else:
print(0)
``` | output | 1 | 55,066 | 1 | 110,133 |
Provide tags and a correct Python 3 solution for this coding contest problem.
So, the Berland is at war with its eternal enemy Flatland again, and Vasya, an accountant, was assigned to fulfil his duty to the nation.
Right now the situation in Berland is dismal β their both cities are surrounded! The armies of flatla... | instruction | 0 | 55,067 | 1 | 110,134 |
Tags: geometry
Correct Solution:
```
import math
x1,y1,r1=map(int,input().split())
x2,y2,r2=map(int,input().split())
d=math.sqrt((x1-x2)**2+(y1-y2)**2)
R=max(r1,r2)
r=min(r1,r2)
# print(R+r,R-r,d)
if(R-r==d or R+r==d or (R+r>d and R-r<d)):
print("{0:.15f}".format(0))
else:
a=[]
m=(y2-y1)/(x2-x1)
c=x1+(... | output | 1 | 55,067 | 1 | 110,135 |
Provide tags and a correct Python 3 solution for this coding contest problem.
So, the Berland is at war with its eternal enemy Flatland again, and Vasya, an accountant, was assigned to fulfil his duty to the nation.
Right now the situation in Berland is dismal β their both cities are surrounded! The armies of flatla... | instruction | 0 | 55,068 | 1 | 110,136 |
Tags: geometry
Correct Solution:
```
from math import sqrt
x1, y1, r1 = map(int, input().split())
x2, y2, r2 = map(int, input().split())
if r1 < r2:
x1, x2 = x2, x1
y1, y2 = y2, y1
r1, r2 = r2, r1
dist = sqrt((x1 - x2) ** 2 + (y1 - y2) ** 2)
ans = 0.0
if dist > r1 + r2:
ans = (dist - r1 - r2) / 2
eli... | output | 1 | 55,068 | 1 | 110,137 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
So, the Berland is at war with its eternal enemy Flatland again, and Vasya, an accountant, was assigned to fulfil his duty to the nation.
Right now the situation in Berland is dismal β their b... | instruction | 0 | 55,069 | 1 | 110,138 |
Yes | output | 1 | 55,069 | 1 | 110,139 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
So, the Berland is at war with its eternal enemy Flatland again, and Vasya, an accountant, was assigned to fulfil his duty to the nation.
Right now the situation in Berland is dismal β their b... | instruction | 0 | 55,070 | 1 | 110,140 |
Yes | output | 1 | 55,070 | 1 | 110,141 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
So, the Berland is at war with its eternal enemy Flatland again, and Vasya, an accountant, was assigned to fulfil his duty to the nation.
Right now the situation in Berland is dismal β their b... | instruction | 0 | 55,071 | 1 | 110,142 |
Yes | output | 1 | 55,071 | 1 | 110,143 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
So, the Berland is at war with its eternal enemy Flatland again, and Vasya, an accountant, was assigned to fulfil his duty to the nation.
Right now the situation in Berland is dismal β their b... | instruction | 0 | 55,072 | 1 | 110,144 |
Yes | output | 1 | 55,072 | 1 | 110,145 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
So, the Berland is at war with its eternal enemy Flatland again, and Vasya, an accountant, was assigned to fulfil his duty to the nation.
Right now the situation in Berland is dismal β their b... | instruction | 0 | 55,073 | 1 | 110,146 |
No | output | 1 | 55,073 | 1 | 110,147 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
So, the Berland is at war with its eternal enemy Flatland again, and Vasya, an accountant, was assigned to fulfil his duty to the nation.
Right now the situation in Berland is dismal β their b... | instruction | 0 | 55,074 | 1 | 110,148 |
No | output | 1 | 55,074 | 1 | 110,149 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
So, the Berland is at war with its eternal enemy Flatland again, and Vasya, an accountant, was assigned to fulfil his duty to the nation.
Right now the situation in Berland is dismal β their b... | instruction | 0 | 55,075 | 1 | 110,150 |
No | output | 1 | 55,075 | 1 | 110,151 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
So, the Berland is at war with its eternal enemy Flatland again, and Vasya, an accountant, was assigned to fulfil his duty to the nation.
Right now the situation in Berland is dismal β their b... | instruction | 0 | 55,076 | 1 | 110,152 |
No | output | 1 | 55,076 | 1 | 110,153 |
Provide a correct Python 3 solution for this coding contest problem.
There is a railroad in Takahashi Kingdom. The railroad consists of N sections, numbered 1, 2, ..., N, and N+1 stations, numbered 0, 1, ..., N. Section i directly connects the stations i-1 and i. A train takes exactly A_i minutes to run through sectio... | instruction | 0 | 55,502 | 1 | 111,004 |
"Correct Solution:
```
import sys
def merge_delay_pattern(k, half1, half2):
len1 = len(half1)
len2 = len(half2)
start, delay1_next = half1[0]
start2 = half2[0][0]
time1 = start - start2
mid_start = start + time1 + delay1_next
offset2_num_period = (mid_start - start2) // k
offset2_phase... | output | 1 | 55,502 | 1 | 111,005 |
Provide a correct Python 3 solution for this coding contest problem.
Water Country Water Deven has n cities. Each city is surrounded by water and looks like an island country. Water Deven has m bridges, and transportation between cities is carried out by these bridges, which allows you to travel to and from all cities... | instruction | 0 | 55,535 | 1 | 111,070 |
"Correct Solution:
```
from heapq import heappush, heappop
def get_par(x, par_lst):
if x == par_lst[x]:
return x
p = get_par(par_lst[x], par_lst)
par_lst[x] = p
return p
while True:
n, m = map(int, input().split())
if n == 0:
break
que = []
for _ in range(m):
a, b, c = map(int, input().spl... | output | 1 | 55,535 | 1 | 111,071 |
Provide a correct Python 3 solution for this coding contest problem.
Water Country Water Deven has n cities. Each city is surrounded by water and looks like an island country. Water Deven has m bridges, and transportation between cities is carried out by these bridges, which allows you to travel to and from all cities... | instruction | 0 | 55,536 | 1 | 111,072 |
"Correct Solution:
```
import sys
readline = sys.stdin.readline
write = sys.stdout.write
def solve():
N, M = map(int, readline().split())
if N == 0:
return False
*p, = range(N)
def root(x):
if x == p[x]:
return x
p[x] = y = root(p[x])
return y
def unite(x... | output | 1 | 55,536 | 1 | 111,073 |
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