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 |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An infinitely long railway has a train consisting of n cars, numbered from 1 to n (the numbers of all the cars are distinct) and positioned in arbitrary order. David Blaine wants to sort the rai... | instruction | 0 | 24,294 | 1 | 48,588 |
No | output | 1 | 24,294 | 1 | 48,589 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An infinitely long railway has a train consisting of n cars, numbered from 1 to n (the numbers of all the cars are distinct) and positioned in arbitrary order. David Blaine wants to sort the rai... | instruction | 0 | 24,295 | 1 | 48,590 |
No | output | 1 | 24,295 | 1 | 48,591 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An infinitely long railway has a train consisting of n cars, numbered from 1 to n (the numbers of all the cars are distinct) and positioned in arbitrary order. David Blaine wants to sort the rai... | instruction | 0 | 24,296 | 1 | 48,592 |
No | output | 1 | 24,296 | 1 | 48,593 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Leha decided to move to a quiet town Vičkopolis, because he was tired by living in Bankopolis. Upon arrival he immediately began to expand his network of hacked computers. During the week Leha managed to get access to n computers throughout ... | instruction | 0 | 24,396 | 1 | 48,792 |
Tags: implementation, math, sortings
Correct Solution:
```
M = 1000000007
n = int(input())
x = list(map(int, input().split(' ')))
x = sorted(x)
res = 0
pow2 = 0
for i in range(n):
res += pow2 * x[i]
res -= pow2 * x[n-1-i]
pow2 = (pow2*2 + 1) % M
res = res % M
print(res)
``` | output | 1 | 24,396 | 1 | 48,793 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Leha decided to move to a quiet town Vičkopolis, because he was tired by living in Bankopolis. Upon arrival he immediately began to expand his network of hacked computers. During the week Leha managed to get access to n computers throughout ... | instruction | 0 | 24,397 | 1 | 48,794 |
Tags: implementation, math, sortings
Correct Solution:
```
import sys
read=lambda:sys.stdin.readline().rstrip()
readi=lambda:int(sys.stdin.readline())
writeln=lambda x:sys.stdout.write(str(x)+"\n")
write=lambda x:sys.stdout.write(x)
MOD = (10**9)+7
N = readi()
ns = list(map(int, read().split()))
ns.sort()
s = 0
powmod ... | output | 1 | 24,397 | 1 | 48,795 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Leha decided to move to a quiet town Vičkopolis, because he was tired by living in Bankopolis. Upon arrival he immediately began to expand his network of hacked computers. During the week Leha managed to get access to n computers throughout ... | instruction | 0 | 24,398 | 1 | 48,796 |
Tags: implementation, math, sortings
Correct Solution:
```
def main():
largemodulus = 1000000007
maxofn = 300001
n = 0
answer = 0
powersoftwo = []
multiplier = 1
for _ in range(maxofn):
powersoftwo.append(multiplier)
if multiplier >= largemodulus:
multiplier = multiplier % largemodu... | output | 1 | 24,398 | 1 | 48,797 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Leha decided to move to a quiet town Vičkopolis, because he was tired by living in Bankopolis. Upon arrival he immediately began to expand his network of hacked computers. During the week Leha managed to get access to n computers throughout ... | instruction | 0 | 24,399 | 1 | 48,798 |
Tags: implementation, math, sortings
Correct Solution:
```
n = int(input())
a = sorted(list(map(int, input().split())))
modu = 10**9 + 7
if n < 2:
print(0)
else:
ans = 0
p2 = [1]
for i in range(n):
p2.append(2*p2[-1] % modu)
for i in range(n - 1):
ans += (a[i+1] - a[i]) * (p2[i + 1]... | output | 1 | 24,399 | 1 | 48,799 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Leha decided to move to a quiet town Vičkopolis, because he was tired by living in Bankopolis. Upon arrival he immediately began to expand his network of hacked computers. During the week Leha managed to get access to n computers throughout ... | instruction | 0 | 24,400 | 1 | 48,800 |
Tags: implementation, math, sortings
Correct Solution:
```
MOD = 10 ** 9 + 7
n = int(input())
xs = sorted(map(int, input().split()))
pows = [1]
for i in range(n):
pows.append(2 * pows[-1] % MOD)
ans = 0
for ind, (lx, rx) in enumerate(zip(xs, xs[1:])):
cntl = ind + 1
cntr = n - cntl
ans = (ans + (rx -... | output | 1 | 24,400 | 1 | 48,801 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Leha decided to move to a quiet town Vičkopolis, because he was tired by living in Bankopolis. Upon arrival he immediately began to expand his network of hacked computers. During the week Leha managed to get access to n computers throughout ... | instruction | 0 | 24,401 | 1 | 48,802 |
Tags: implementation, math, sortings
Correct Solution:
```
N = int(input())
X = list(map(int, input().split()))
X.sort(reverse=True)
MOD = int(1e9 + 7)
pows_mod = [1]
for i in range(int(3e5) + 10):
pows_mod.append((pows_mod[-1] % MOD) * 2 % MOD)
ans = 0
for i in range(N):
ans += ((pows_mod[N - i - 1] - 1) - (... | output | 1 | 24,401 | 1 | 48,803 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Leha decided to move to a quiet town Vičkopolis, because he was tired by living in Bankopolis. Upon arrival he immediately began to expand his network of hacked computers. During the week Leha managed to get access to n computers throughout ... | instruction | 0 | 24,402 | 1 | 48,804 |
Tags: implementation, math, sortings
Correct Solution:
```
n = int(input())
a = list(map(int, input().split(' ')))
a.sort()
p = 10**9 + 7
ans = 0
two = 1
for x in a:
ans += two * x
two = (two*2) % p
a = reversed(a)
two = 1
for x in a:
ans -= two * x
two = (two*2) % p
ans = ans%p
print(ans)
``` | output | 1 | 24,402 | 1 | 48,805 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Leha decided to move to a quiet town Vičkopolis, because he was tired by living in Bankopolis. Upon arrival he immediately began to expand his network of hacked computers. During the week Leha managed to get access to n computers throughout ... | instruction | 0 | 24,403 | 1 | 48,806 |
Tags: implementation, math, sortings
Correct Solution:
```
n = int(input())
coord = [int(x) for x in input().split()]
coord = sorted(coord)
modul = 1000000007
G = [0]
P = [0]
D = [0]
for i in range(1, n + 1):
gi = (G[i - 1] * 2 + coord[i - 1]) % modul
pi = (2 * P[i - 1] + 1) % modul
G.append(gi)
P.appen... | output | 1 | 24,403 | 1 | 48,807 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In the Kingdom K., there are n towns numbered with integers from 1 to n. The towns are connected by n bi-directional roads numbered with integers from 1 to n. The i-th road connects the towns ui... | instruction | 0 | 24,412 | 1 | 48,824 |
No | output | 1 | 24,412 | 1 | 48,825 |
Provide a correct Python 3 solution for this coding contest problem.
The Kingdom of Takahashi has N towns, numbered 1 through N.
There is one teleporter in each town. The teleporter in Town i (1 \leq i \leq N) sends you to Town A_i.
Takahashi, the king, loves the positive integer K. The selfish king wonders what tow... | instruction | 0 | 24,493 | 1 | 48,986 |
"Correct Solution:
```
n,k=map(int,input().split())
a=list(map(int,input().split()))
visited=[]
o=(n+1)*[-1]
cycle,l=1,0
v=1
while o[v]==-1:
o[v]=len(visited)
visited.append(v)
v=a[v-1]
cycle=len(visited)-o[v]
l=o[v]
if k<l:
print(visited[k])
else:
k-=l
k%=cycle
print(visited[l+k])
``` | output | 1 | 24,493 | 1 | 48,987 |
Provide a correct Python 3 solution for this coding contest problem.
The Kingdom of Takahashi has N towns, numbered 1 through N.
There is one teleporter in each town. The teleporter in Town i (1 \leq i \leq N) sends you to Town A_i.
Takahashi, the king, loves the positive integer K. The selfish king wonders what tow... | instruction | 0 | 24,494 | 1 | 48,988 |
"Correct Solution:
```
n, k = map(int, input().split())
a = [int(i) - 1 for i in input().split()]
ans = 0
while k:
if k & 1:
ans = a[ans]
c = [a[a[i]] for i in range(n)]
a = c[:]
k >>= 1
print(ans + 1)
``` | output | 1 | 24,494 | 1 | 48,989 |
Provide a correct Python 3 solution for this coding contest problem.
The Kingdom of Takahashi has N towns, numbered 1 through N.
There is one teleporter in each town. The teleporter in Town i (1 \leq i \leq N) sends you to Town A_i.
Takahashi, the king, loves the positive integer K. The selfish king wonders what tow... | instruction | 0 | 24,495 | 1 | 48,990 |
"Correct Solution:
```
n, k = map(int, input().split())
a = list(map(int, input().split()))
b = 0
if k<=n:
for i in range(k):
b = a[b]-1
print(b+1)
exit(0)
c = [0]
for i in range(n):
b = a[b]-1
c.append(b)
d = c[:-1].index(c[-1])
c = c[d:-1]
k = k-d
print(c[k%len(c)]+1)
``` | output | 1 | 24,495 | 1 | 48,991 |
Provide a correct Python 3 solution for this coding contest problem.
The Kingdom of Takahashi has N towns, numbered 1 through N.
There is one teleporter in each town. The teleporter in Town i (1 \leq i \leq N) sends you to Town A_i.
Takahashi, the king, loves the positive integer K. The selfish king wonders what tow... | instruction | 0 | 24,496 | 1 | 48,992 |
"Correct Solution:
```
N,K = map(int,input().split())
cc = list(map(int,input().split()))
memo = []
aa = ['.']*N
a = 1
while aa[a-1] == '.':
memo.append(a)
aa[a-1] = 'v'
a = cc[a-1]
if len(memo)>K:
print(memo[K])
else:
b = memo.index(a)
m = len(memo)-b
mm = (K-b) % m
del memo[:b]
print(memo[mm])
``` | output | 1 | 24,496 | 1 | 48,993 |
Provide a correct Python 3 solution for this coding contest problem.
The Kingdom of Takahashi has N towns, numbered 1 through N.
There is one teleporter in each town. The teleporter in Town i (1 \leq i \leq N) sends you to Town A_i.
Takahashi, the king, loves the positive integer K. The selfish king wonders what tow... | instruction | 0 | 24,497 | 1 | 48,994 |
"Correct Solution:
```
N, K = map(int, input().split())
A = [-1] + list(map(int, input().split()))
id = [-1] * (N + 1)
x = 1
l = 0
a = []
while id[x] == -1:
a.append(x)
id[x] = l
l += 1
x = A[x]
c = l - id[x]
if K < l:
print(a[K])
else:
K -= l
print(a[id[x] + K % c])
``` | output | 1 | 24,497 | 1 | 48,995 |
Provide a correct Python 3 solution for this coding contest problem.
The Kingdom of Takahashi has N towns, numbered 1 through N.
There is one teleporter in each town. The teleporter in Town i (1 \leq i \leq N) sends you to Town A_i.
Takahashi, the king, loves the positive integer K. The selfish king wonders what tow... | instruction | 0 | 24,498 | 1 | 48,996 |
"Correct Solution:
```
N, K = map(int, input().split())
A = list(map(int, input().split()))
l=[1]
seen={}
k=1
for i in range (K):
if not k in seen.keys():
seen[k]=i
k=A[k-1]
l.append(k)
else:
r_start=seen[k]
roop=i-r_start
K=(K-r_start)%roop+r_start
break
ans=l[K]
print(... | output | 1 | 24,498 | 1 | 48,997 |
Provide a correct Python 3 solution for this coding contest problem.
The Kingdom of Takahashi has N towns, numbered 1 through N.
There is one teleporter in each town. The teleporter in Town i (1 \leq i \leq N) sends you to Town A_i.
Takahashi, the king, loves the positive integer K. The selfish king wonders what tow... | instruction | 0 | 24,499 | 1 | 48,998 |
"Correct Solution:
```
n, k = map(int, input().split())
a = list(map(int, input().split()))
s = [-1]*n
c = []
ans = 0
for i in range(k):
s[ans] = i
c.append(ans)
ans = a[ans] - 1
if s[ans] >= 0:
t = i - s[ans] + 1
ans = c[(k-i-1) % t + s[ans]]
break
print(ans+1)
``` | output | 1 | 24,499 | 1 | 48,999 |
Provide a correct Python 3 solution for this coding contest problem.
The Kingdom of Takahashi has N towns, numbered 1 through N.
There is one teleporter in each town. The teleporter in Town i (1 \leq i \leq N) sends you to Town A_i.
Takahashi, the king, loves the positive integer K. The selfish king wonders what tow... | instruction | 0 | 24,500 | 1 | 49,000 |
"Correct Solution:
```
n,k,*a=map(int,open(0).read().split())
d=[2*k]*n
while k:n=-a[-n]+1;d[n]=k=~-k%(d[n]+1-k)
print(1-n)
``` | output | 1 | 24,500 | 1 | 49,001 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The Kingdom of Takahashi has N towns, numbered 1 through N.
There is one teleporter in each town. The teleporter in Town i (1 \leq i \leq N) sends you to Town A_i.
Takahashi, the king, loves t... | instruction | 0 | 24,501 | 1 | 49,002 |
Yes | output | 1 | 24,501 | 1 | 49,003 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The Kingdom of Takahashi has N towns, numbered 1 through N.
There is one teleporter in each town. The teleporter in Town i (1 \leq i \leq N) sends you to Town A_i.
Takahashi, the king, loves t... | instruction | 0 | 24,502 | 1 | 49,004 |
Yes | output | 1 | 24,502 | 1 | 49,005 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The Kingdom of Takahashi has N towns, numbered 1 through N.
There is one teleporter in each town. The teleporter in Town i (1 \leq i \leq N) sends you to Town A_i.
Takahashi, the king, loves t... | instruction | 0 | 24,503 | 1 | 49,006 |
Yes | output | 1 | 24,503 | 1 | 49,007 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The Kingdom of Takahashi has N towns, numbered 1 through N.
There is one teleporter in each town. The teleporter in Town i (1 \leq i \leq N) sends you to Town A_i.
Takahashi, the king, loves t... | instruction | 0 | 24,504 | 1 | 49,008 |
Yes | output | 1 | 24,504 | 1 | 49,009 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The Kingdom of Takahashi has N towns, numbered 1 through N.
There is one teleporter in each town. The teleporter in Town i (1 \leq i \leq N) sends you to Town A_i.
Takahashi, the king, loves t... | instruction | 0 | 24,505 | 1 | 49,010 |
No | output | 1 | 24,505 | 1 | 49,011 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The Kingdom of Takahashi has N towns, numbered 1 through N.
There is one teleporter in each town. The teleporter in Town i (1 \leq i \leq N) sends you to Town A_i.
Takahashi, the king, loves t... | instruction | 0 | 24,506 | 1 | 49,012 |
No | output | 1 | 24,506 | 1 | 49,013 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The Kingdom of Takahashi has N towns, numbered 1 through N.
There is one teleporter in each town. The teleporter in Town i (1 \leq i \leq N) sends you to Town A_i.
Takahashi, the king, loves t... | instruction | 0 | 24,507 | 1 | 49,014 |
No | output | 1 | 24,507 | 1 | 49,015 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The Kingdom of Takahashi has N towns, numbered 1 through N.
There is one teleporter in each town. The teleporter in Town i (1 \leq i \leq N) sends you to Town A_i.
Takahashi, the king, loves t... | instruction | 0 | 24,508 | 1 | 49,016 |
No | output | 1 | 24,508 | 1 | 49,017 |
Provide a correct Python 3 solution for this coding contest problem.
There are two cameras which observe the up line and the down line respectively on the double lane (please see the following figure). These cameras are located on a line perpendicular to the lane, and we call the line 'monitoring line.' (the red line ... | instruction | 0 | 24,683 | 1 | 49,366 |
"Correct Solution:
```
# AOJ 1029: Traffic Analysis
# Python3 2018.7.6 bal4u
import sys
from sys import stdin
input = stdin.readline
while True:
n, m = map(int, input().split())
if n == 0 and m == 0: break
if n > 0: a = list(map(int, input().split()))
if m > 0: b = list(map(int, input().split()))
ans = i = j = 0... | output | 1 | 24,683 | 1 | 49,367 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular grid). However, there is a detail which makes ... | instruction | 0 | 24,747 | 1 | 49,494 |
Tags: geometry, implementation
Correct Solution:
```
a, b, c = map(int, input().split())
x1, y1, x2, y2 = map(int, input().split())
if a != 0 and b != 0:
x1_ = ((-1) * (b * y1 + c)) / a
y1_ = ((-1) * (a * x1 + c)) / b
x2_ = ((-1) * (b * y2 + c)) / a
y2_ = ((-1) * (a * x2 + c)) / b
p1 = abs(x1 - x1_)... | output | 1 | 24,747 | 1 | 49,495 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular grid). However, there is a detail which makes ... | instruction | 0 | 24,748 | 1 | 49,496 |
Tags: geometry, implementation
Correct Solution:
```
from fractions import Fraction
a, b, c = map(int, input().split())
x1, y1, x2, y2 = map(int, input().split())
x3, y3, x4, y4 = x1, y2, x2, y1
if (y2 - y1) * (x2 - x1) * a * b >= 0 or (a*x1 + b*y1 + c) * (a*x3 + b*y3 + c) > 0 and (a*x1 + b*y1 + c) * (a*x4 + b*y4 + c) ... | output | 1 | 24,748 | 1 | 49,497 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular grid). However, there is a detail which makes ... | instruction | 0 | 24,749 | 1 | 49,498 |
Tags: geometry, implementation
Correct Solution:
```
a,b,c=map(int,input().split())
x1,y1,x2,y2=map(int,input().split())
bRange=abs(y2-y1)+abs(x2-x1)
if a==0 or b==0:
print(bRange)
else:
py1=(-b*y1-c)/a
py2=(-b*y2-c)/a
px1=(-a*x1-c)/b
px2=(-a*x2-c)/b
pRange1=((x2-py1)**2+(px2-y1)**2)**0.5+abs(y2... | output | 1 | 24,749 | 1 | 49,499 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular grid). However, there is a detail which makes ... | instruction | 0 | 24,750 | 1 | 49,500 |
Tags: geometry, implementation
Correct Solution:
```
#Code by Sounak, IIESTS
#------------------------------warmup----------------------------
import os
import sys
import math
from io import BytesIO, IOBase
from fractions import Fraction
import collections
from itertools import permutations
from collections import def... | output | 1 | 24,750 | 1 | 49,501 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular grid). However, there is a detail which makes ... | instruction | 0 | 24,751 | 1 | 49,502 |
Tags: geometry, implementation
Correct Solution:
```
a, b, c = map(int, input().split())
x1, y1, x2, y2 = map(int, input().split())
if x1 >= x2 and y1 >= y2:
x1, y1, x2, y2 = x2, y2, x1, y1
if x1 <= x2 and y1 >= y2:
x2 = x1 - (x2 - x1)
c += 2 * x1 * a
a = -a
x1, y1, x2, y2 = x2, y2, x1, y1
if... | output | 1 | 24,751 | 1 | 49,503 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular grid). However, there is a detail which makes ... | instruction | 0 | 24,752 | 1 | 49,504 |
Tags: geometry, implementation
Correct Solution:
```
import math
l1 = 0
l2 = 0
l3 = 0
l4 = 0
l5 = 0
a,b,c=map(int,input().split())
x1,y1,x2,y2=map(int,input().split())
l = 0
if (a!=0 and b!=0):
if (x1 == x2):
r = max(y1,y2) - min(y1,y2)
elif (y1 == y2):
r = max(x1,x2) - min(x1,x2)
... | output | 1 | 24,752 | 1 | 49,505 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular grid). However, there is a detail which makes ... | instruction | 0 | 24,753 | 1 | 49,506 |
Tags: geometry, implementation
Correct Solution:
```
a, b, c = map(int, input().split())
x1, y1, x2, y2 = map(int, input().split())
l = 0
xz1 = x1
if b != 0:
yz1 = (-c - x1 * a) / b
else:
yz1 = 9999999999999999999
if a != 0:
xz2 = (-c - y1 * b) / a
else:
xz2 = 9999999999999999999
yz2 = y1
xf1 = x2
if b... | output | 1 | 24,753 | 1 | 49,507 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular grid). However, there is a detail which makes ... | instruction | 0 | 24,754 | 1 | 49,508 |
Tags: geometry, implementation
Correct Solution:
```
import math
class vector:
def __init__(self, x, y):
self.x = x
self.y = y
def sum(self, vector): # а это просто функция, возвращающая адын(1)
return 1
def len(self):
return math.sqrt(self.x * self.x + self.y * self.y)
... | output | 1 | 24,754 | 1 | 49,509 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular... | instruction | 0 | 24,755 | 1 | 49,510 |
Yes | output | 1 | 24,755 | 1 | 49,511 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular... | instruction | 0 | 24,756 | 1 | 49,512 |
Yes | output | 1 | 24,756 | 1 | 49,513 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular... | instruction | 0 | 24,757 | 1 | 49,514 |
Yes | output | 1 | 24,757 | 1 | 49,515 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular... | instruction | 0 | 24,758 | 1 | 49,516 |
Yes | output | 1 | 24,758 | 1 | 49,517 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular... | instruction | 0 | 24,759 | 1 | 49,518 |
No | output | 1 | 24,759 | 1 | 49,519 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular... | instruction | 0 | 24,760 | 1 | 49,520 |
No | output | 1 | 24,760 | 1 | 49,521 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular... | instruction | 0 | 24,761 | 1 | 49,522 |
No | output | 1 | 24,761 | 1 | 49,523 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular... | instruction | 0 | 24,762 | 1 | 49,524 |
No | output | 1 | 24,762 | 1 | 49,525 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In a magical land there are n cities conveniently numbered 1, 2, ..., n. Some pairs of these cities are connected by magical colored roads. Magic is unstable, so at any time, new roads may appea... | instruction | 0 | 24,823 | 1 | 49,646 |
No | output | 1 | 24,823 | 1 | 49,647 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In a magical land there are n cities conveniently numbered 1, 2, ..., n. Some pairs of these cities are connected by magical colored roads. Magic is unstable, so at any time, new roads may appea... | instruction | 0 | 24,824 | 1 | 49,648 |
No | output | 1 | 24,824 | 1 | 49,649 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In a magical land there are n cities conveniently numbered 1, 2, ..., n. Some pairs of these cities are connected by magical colored roads. Magic is unstable, so at any time, new roads may appea... | instruction | 0 | 24,825 | 1 | 49,650 |
No | output | 1 | 24,825 | 1 | 49,651 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In a magical land there are n cities conveniently numbered 1, 2, ..., n. Some pairs of these cities are connected by magical colored roads. Magic is unstable, so at any time, new roads may appea... | instruction | 0 | 24,826 | 1 | 49,652 |
No | output | 1 | 24,826 | 1 | 49,653 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Berland has n cities connected by m bidirectional roads. No road connects a city to itself, and each pair of cities is connected by no more than one road. It is not guaranteed that you can get from any city to any other one, using only the e... | instruction | 0 | 25,188 | 1 | 50,376 |
Tags: data structures, dfs and similar, dsu, graphs, greedy
Correct Solution:
```
import sys
input = sys.stdin.buffer.readline
def dfs(l):
a = [0]*len(l)
counter = 0
for i in range(len(l)):
if a[i] != 1:
fl = True
stack = [[i, 0]]
while stack:
x, ... | output | 1 | 25,188 | 1 | 50,377 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.