message stringlengths 2 16.2k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 575 109k | cluster float64 16 16 | __index_level_0__ int64 1.15k 217k |
|---|---|---|---|---|---|
Provide a correct Python 3 solution for this coding contest problem.
We have a sequence of N integers: x=(x_0,x_1,\cdots,x_{N-1}). Initially, x_i=0 for each i (0 \leq i \leq N-1).
Snuke will perform the following operation exactly M times:
* Choose two distinct indices i, j (0 \leq i,j \leq N-1,\ i \neq j). Then, re... | instruction | 0 | 575 | 16 | 1,150 |
"Correct Solution:
```
def prepare(n, MOD):
f = 1
factorials = [1] * (n + 1)
for m in range(1, n + 1):
f = f * m % MOD
factorials[m] = f
inv = pow(f, MOD - 2, MOD)
invs = [1] * (n + 1)
invs[n] = inv
for m in range(n, 1, -1):
inv = inv * m % MOD
invs[m - 1] = i... | output | 1 | 575 | 16 | 1,151 |
Provide a correct Python 3 solution for this coding contest problem.
We have a sequence of N integers: x=(x_0,x_1,\cdots,x_{N-1}). Initially, x_i=0 for each i (0 \leq i \leq N-1).
Snuke will perform the following operation exactly M times:
* Choose two distinct indices i, j (0 \leq i,j \leq N-1,\ i \neq j). Then, re... | instruction | 0 | 576 | 16 | 1,152 |
"Correct Solution:
```
import sys
input=sys.stdin.readline
N,M=map(int,input().split())
mod=998244353
inv=[0]*(3*M//2+N+2)
inv[1]=1
for i in range(2,3*M//2+N+2):
inv[i]=-(mod//i)*inv[mod%i]%mod
#階乗テーブル
g1=[1,1]
g2=[1,1]
for i in range(2,3*M//2+N+2):
num_1=g1[-1]*i%mod
g1.append(num_1)
g2.append(g2[-1]... | output | 1 | 576 | 16 | 1,153 |
Provide a correct Python 3 solution for this coding contest problem.
We have a sequence of N integers: x=(x_0,x_1,\cdots,x_{N-1}). Initially, x_i=0 for each i (0 \leq i \leq N-1).
Snuke will perform the following operation exactly M times:
* Choose two distinct indices i, j (0 \leq i,j \leq N-1,\ i \neq j). Then, re... | instruction | 0 | 577 | 16 | 1,154 |
"Correct Solution:
```
from collections import defaultdict, deque, Counter
from heapq import heappush, heappop, heapify
import math
import bisect
import random
from itertools import permutations, accumulate, combinations, product
import sys
from pprint import pprint
from copy import deepcopy
import string
from bisect i... | output | 1 | 577 | 16 | 1,155 |
Provide a correct Python 3 solution for this coding contest problem.
We have a sequence of N integers: x=(x_0,x_1,\cdots,x_{N-1}). Initially, x_i=0 for each i (0 \leq i \leq N-1).
Snuke will perform the following operation exactly M times:
* Choose two distinct indices i, j (0 \leq i,j \leq N-1,\ i \neq j). Then, re... | instruction | 0 | 578 | 16 | 1,156 |
"Correct Solution:
```
n,m = map(int,input().split())
mod = 998244353
#################################
## nCkのmodを求める関数
# テーブルを作る(前処理)
max = n+2*m + 100
fac, finv, inv = [0]*max, [0]*max, [0]*max
def comInit(max):
fac[0] = fac[1] = 1
finv[0] = finv[1] = 1
inv[1] = 1
for i in range(2,max):
fac... | output | 1 | 578 | 16 | 1,157 |
Provide a correct Python 3 solution for this coding contest problem.
We have a sequence of N integers: x=(x_0,x_1,\cdots,x_{N-1}). Initially, x_i=0 for each i (0 \leq i \leq N-1).
Snuke will perform the following operation exactly M times:
* Choose two distinct indices i, j (0 \leq i,j \leq N-1,\ i \neq j). Then, re... | instruction | 0 | 579 | 16 | 1,158 |
"Correct Solution:
```
class comb():
F = [1, 1]
Fi = [1, 1]
I = [0, 1]
def __init__(self, num, mod):
self.MOD = mod
for i in range(2, num + 1):
self.F.append((self.F[-1] * i) % mod)
self.I.append(mod - self.I[mod % i] * (mod // i) % mod)
self.Fi.append(self.Fi[-1] * self.I[i] % mod)
... | output | 1 | 579 | 16 | 1,159 |
Provide a correct Python 3 solution for this coding contest problem.
We have a sequence of N integers: x=(x_0,x_1,\cdots,x_{N-1}). Initially, x_i=0 for each i (0 \leq i \leq N-1).
Snuke will perform the following operation exactly M times:
* Choose two distinct indices i, j (0 \leq i,j \leq N-1,\ i \neq j). Then, re... | instruction | 0 | 580 | 16 | 1,160 |
"Correct Solution:
```
n,m=map(int,input().split())
w,u=3*m,n-1
o,f,i=998244353,[1],1
while i<w+n:f+=[f[-1]*i%o];i+=1
c=lambda n,k=u:f[n]*pow(f[n-k],o-2,o)*pow(f[k],o-2,o)
a=c(w+u)-n*c(n+m-2)
while~-n>m<w:m+=2;a-=c(n,m)*c(2*u+w-m>>1)
print(a%o)
``` | output | 1 | 580 | 16 | 1,161 |
Provide a correct Python 3 solution for this coding contest problem.
We have a sequence of N integers: x=(x_0,x_1,\cdots,x_{N-1}). Initially, x_i=0 for each i (0 \leq i \leq N-1).
Snuke will perform the following operation exactly M times:
* Choose two distinct indices i, j (0 \leq i,j \leq N-1,\ i \neq j). Then, re... | instruction | 0 | 581 | 16 | 1,162 |
"Correct Solution:
```
n,m=map(int,input().split())
o,f,i=998244353,[1],1
while i<3*m+n:f+=[f[-1]*i%o];i+=1
c=lambda x,y=n-1:f[x]*pow(f[x-y]*f[y]%o,o-2,o)
a=c(-1)-n*c(n+m-2)
while~-n>m<i-n:m+=2;a-=c(n,m)*c(n-1+i-m>>1)
print(a%o)
``` | output | 1 | 581 | 16 | 1,163 |
Provide a correct Python 3 solution for this coding contest problem.
We have a sequence of N integers: x=(x_0,x_1,\cdots,x_{N-1}). Initially, x_i=0 for each i (0 \leq i \leq N-1).
Snuke will perform the following operation exactly M times:
* Choose two distinct indices i, j (0 \leq i,j \leq N-1,\ i \neq j). Then, re... | instruction | 0 | 582 | 16 | 1,164 |
"Correct Solution:
```
from functools import lru_cache
def prepare(n, MOD):
f = 1
factorials = [1]
for m in range(1, n + 1):
f *= m
f %= MOD
factorials.append(f)
inv = pow(f, MOD - 2, MOD)
invs = [1] * (n + 1)
invs[n] = inv
for m in range(n, 1, -1):
inv *= m... | output | 1 | 582 | 16 | 1,165 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a sequence of N integers: x=(x_0,x_1,\cdots,x_{N-1}). Initially, x_i=0 for each i (0 \leq i \leq N-1).
Snuke will perform the following operation exactly M times:
* Choose two distinct... | instruction | 0 | 583 | 16 | 1,166 |
Yes | output | 1 | 583 | 16 | 1,167 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a sequence of N integers: x=(x_0,x_1,\cdots,x_{N-1}). Initially, x_i=0 for each i (0 \leq i \leq N-1).
Snuke will perform the following operation exactly M times:
* Choose two distinct... | instruction | 0 | 584 | 16 | 1,168 |
Yes | output | 1 | 584 | 16 | 1,169 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a sequence of N integers: x=(x_0,x_1,\cdots,x_{N-1}). Initially, x_i=0 for each i (0 \leq i \leq N-1).
Snuke will perform the following operation exactly M times:
* Choose two distinct... | instruction | 0 | 585 | 16 | 1,170 |
Yes | output | 1 | 585 | 16 | 1,171 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a sequence of N integers: x=(x_0,x_1,\cdots,x_{N-1}). Initially, x_i=0 for each i (0 \leq i \leq N-1).
Snuke will perform the following operation exactly M times:
* Choose two distinct... | instruction | 0 | 586 | 16 | 1,172 |
Yes | output | 1 | 586 | 16 | 1,173 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a sequence of N integers: x=(x_0,x_1,\cdots,x_{N-1}). Initially, x_i=0 for each i (0 \leq i \leq N-1).
Snuke will perform the following operation exactly M times:
* Choose two distinct... | instruction | 0 | 587 | 16 | 1,174 |
No | output | 1 | 587 | 16 | 1,175 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a sequence of N integers: x=(x_0,x_1,\cdots,x_{N-1}). Initially, x_i=0 for each i (0 \leq i \leq N-1).
Snuke will perform the following operation exactly M times:
* Choose two distinct... | instruction | 0 | 588 | 16 | 1,176 |
No | output | 1 | 588 | 16 | 1,177 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a sequence of N integers: x=(x_0,x_1,\cdots,x_{N-1}). Initially, x_i=0 for each i (0 \leq i \leq N-1).
Snuke will perform the following operation exactly M times:
* Choose two distinct... | instruction | 0 | 589 | 16 | 1,178 |
No | output | 1 | 589 | 16 | 1,179 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a sequence of N integers: x=(x_0,x_1,\cdots,x_{N-1}). Initially, x_i=0 for each i (0 \leq i \leq N-1).
Snuke will perform the following operation exactly M times:
* Choose two distinct... | instruction | 0 | 590 | 16 | 1,180 |
No | output | 1 | 590 | 16 | 1,181 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke received a triangle as a birthday present. The coordinates of the three vertices were (x_1, y_1), (x_2, y_2), and (x_3, y_3).
He wants to draw two circles with the same radius inside the triangle such that the two circles do not overlap (but t... | instruction | 0 | 655 | 16 | 1,310 |
"Correct Solution:
```
from math import acos, tan, hypot
def getRad1(s12, s13, s23):
return acos((s12*s12 + s13*s13 - s23*s23) / (2*s12*s13))
def getMaxR(s12, rad1, rad2):
tan1 = tan(rad1 / 2)
tan2 = tan(rad2 / 2)
h = s12 * (tan1*tan2) / (tan1+tan2)
return h * (tan1+tan2) / (2*tan1*tan2 + tan1 + t... | output | 1 | 655 | 16 | 1,311 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke received a triangle as a birthday present. The coordinates of the three vertices were (x_1, y_1), (x_2, y_2), and (x_3, y_3).
He wants to draw two circles with the same radius inside the triangle such that the two circles do not overlap (but t... | instruction | 0 | 656 | 16 | 1,312 |
"Correct Solution:
```
xy = [list(map(int, input().split())) for _ in range(3)]
d = [((xy[i][0] - xy[i + 1][0]) ** 2 + (xy[i][1] - xy[i + 1][1]) ** 2) ** .5
for i in range(-1, 2)]
s = abs((xy[1][0] - xy[0][0]) * (xy[2][1] - xy[0][1])
-(xy[2][0] - xy[0][0]) * (xy[1][1] - xy[0][1])) / 2
k = max(d)
r = 2 * s... | output | 1 | 656 | 16 | 1,313 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke received a triangle as a birthday present. The coordinates of the three vertices were (x_1, y_1), (x_2, y_2), and (x_3, y_3).
He wants to draw two circles with the same radius inside the triangle such that the two circles do not overlap (but t... | instruction | 0 | 657 | 16 | 1,314 |
"Correct Solution:
```
import sys
stdin = sys.stdin
sys.setrecursionlimit(10**5)
def li(): return map(int, stdin.readline().split())
def li_(): return map(lambda x: int(x)-1, stdin.readline().split())
def lf(): return map(float, stdin.readline().split())
def ls(): return stdin.readline().split()
def ns(): return s... | output | 1 | 657 | 16 | 1,315 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke received a triangle as a birthday present. The coordinates of the three vertices were (x_1, y_1), (x_2, y_2), and (x_3, y_3).
He wants to draw two circles with the same radius inside the triangle such that the two circles do not overlap (but t... | instruction | 0 | 658 | 16 | 1,316 |
"Correct Solution:
```
x1, y1 = map(int, input().split())
x2, y2 = map(int, input().split())
x3, y3 = map(int, input().split())
e12 = ((x2-x1)**2 + (y2-y1)**2)**0.5
e23 = ((x3-x2)**2 + (y3-y2)**2)**0.5
e31 = ((x1-x3)**2 + (y1-y3)**2)**0.5
s = (e12 + e23 + e31)/2
S = (s * (s-e12) * (s-e23) * (s-e31)) ** 0.5
r=2*S/(e12... | output | 1 | 658 | 16 | 1,317 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke received a triangle as a birthday present. The coordinates of the three vertices were (x_1, y_1), (x_2, y_2), and (x_3, y_3).
He wants to draw two circles with the same radius inside the triangle such that the two circles do not overlap (but t... | instruction | 0 | 659 | 16 | 1,318 |
"Correct Solution:
```
import sys
input = sys.stdin.readline
#import heapq
#from fractions import gcd
#from collections import defaultdict
#sys.setrecursionlimit(10**9)
#map(int,input().split())
def main():
li=[list(map(int,input().split())) for i in range(3)]
li.append(li[0])
d=[0]*3
for i in range(3)... | output | 1 | 659 | 16 | 1,319 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke received a triangle as a birthday present. The coordinates of the three vertices were (x_1, y_1), (x_2, y_2), and (x_3, y_3).
He wants to draw two circles with the same radius inside the triangle such that the two circles do not overlap (but t... | instruction | 0 | 660 | 16 | 1,320 |
"Correct Solution:
```
p1 = list(map(int, input().split()))
p2 = list(map(int, input().split()))
p3 = list(map(int, input().split()))
len1 = ((p1[0] - p2[0]) ** 2 + (p1[1] - p2[1]) ** 2) ** 0.5
len2 = ((p2[0] - p3[0]) ** 2 + (p2[1] - p3[1]) ** 2) ** 0.5
len3 = ((p3[0] - p1[0]) ** 2 + (p3[1] - p1[1]) ** 2) ** 0.5
l =... | output | 1 | 660 | 16 | 1,321 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke received a triangle as a birthday present. The coordinates of the three vertices were (x_1, y_1), (x_2, y_2), and (x_3, y_3).
He wants to draw two circles with the same radius inside the triangle such that the two circles do not overlap (but t... | instruction | 0 | 661 | 16 | 1,322 |
"Correct Solution:
```
a,b,c,d,e,f=map(int,open(0).read().split())
a,b,c=sorted((s*s+t*t)**.5for s,t in((a-c,b-d),(c-e,d-f),(e-a,f-b)))
d=a+b+c
s=d/2
s=(s*(s-a)*(s-b)*(s-c))**.5
print(c/(2+c/2/s*d))
``` | output | 1 | 661 | 16 | 1,323 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke received a triangle as a birthday present. The coordinates of the three vertices were (x_1, y_1), (x_2, y_2), and (x_3, y_3).
He wants to draw two circles with the same radius inside the triangle such that the two circles do not overlap (but t... | instruction | 0 | 662 | 16 | 1,324 |
"Correct Solution:
```
def OuterProduct(one, two):
tmp = one.conjugate() * two
return tmp.imag
def Area(dots):
res = 0
for i in range(len(dots)-1):
res += OuterProduct(dots[i], dots[i+1])
res += OuterProduct(dots[-1], dots[0])
return res/2
d = [list(map(int, input().split())) for _ in range(3)]
x = complex(d[... | output | 1 | 662 | 16 | 1,325 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke received a triangle as a birthday present. The coordinates of the three vertices were (x_1, y_1), (x_2, y_2), and (x_3, y_3).
He wants to draw two circles with the same radius inside the ... | instruction | 0 | 665 | 16 | 1,330 |
Yes | output | 1 | 665 | 16 | 1,331 |
Provide a correct Python 3 solution for this coding contest problem.
There are N blocks arranged in a row, numbered 1 to N from left to right. Each block has a weight, and the weight of Block i is A_i. Snuke will perform the following operation on these blocks N times:
* Choose one block that is still not removed, an... | instruction | 0 | 1,508 | 16 | 3,016 |
"Correct Solution:
```
import sys
input = sys.stdin.readline
MOD = pow(10, 9) + 7
def main():
n = int(input())
alist = list(map(int, input().split()))
nn = 1
for i in range(2, n+1):
nn = nn * i % MOD
rev = [pow(i, MOD-2, MOD) * nn % MOD for i in range(1, n+1)]
for i in range(1, n):
rev[i] = (rev... | output | 1 | 1,508 | 16 | 3,017 |
Provide a correct Python 3 solution for this coding contest problem.
There are N blocks arranged in a row, numbered 1 to N from left to right. Each block has a weight, and the weight of Block i is A_i. Snuke will perform the following operation on these blocks N times:
* Choose one block that is still not removed, an... | instruction | 0 | 1,509 | 16 | 3,018 |
"Correct Solution:
```
def multiply(x, y):
return (x * y) % mod
def power(x, y):
if y == 0:
return 1
elif y == 1:
return x
elif x == 1:
return 1
elif x == 0:
return 0
else:
# print(mod)
tmp = power(x, y // 2)
return (multiply(tmp, tmp) * ... | output | 1 | 1,509 | 16 | 3,019 |
Provide a correct Python 3 solution for this coding contest problem.
There are N blocks arranged in a row, numbered 1 to N from left to right. Each block has a weight, and the weight of Block i is A_i. Snuke will perform the following operation on these blocks N times:
* Choose one block that is still not removed, an... | instruction | 0 | 1,510 | 16 | 3,020 |
"Correct Solution:
```
N = int(input())
A = [int(a) for a in input().split()]
P = 10**9+7
def inv(a):
return pow(a, P-2, P)
s = 0
for i in range(N):
s += inv(i+1)
ans = 0
for i in range(N):
ans += s * A[i]
ans %= P
s += inv(i+2) - inv(N-i)
for i in range(1, N+1):
ans = ans * i % P
... | output | 1 | 1,510 | 16 | 3,021 |
Provide a correct Python 3 solution for this coding contest problem.
There are N blocks arranged in a row, numbered 1 to N from left to right. Each block has a weight, and the weight of Block i is A_i. Snuke will perform the following operation on these blocks N times:
* Choose one block that is still not removed, an... | instruction | 0 | 1,511 | 16 | 3,022 |
"Correct Solution:
```
inv=lambda x:pow(x, m - 2, m)
N = int(input())
A = [int(x) for x in input().split()]
f = [1, 1]
m = 10**9+7
for i in range(2, N + 1):
f+=[f[-1] * i % m]
s = [0]
for i in range(1, N + 1):
s+=[(s[-1]+f[N]*inv(i))%m]
a = 0
for i in range(N):
a+=(s[i+1]+s[N-i]-f[N])*A[i]
a%=m
print(a)
``` | output | 1 | 1,511 | 16 | 3,023 |
Provide a correct Python 3 solution for this coding contest problem.
There are N blocks arranged in a row, numbered 1 to N from left to right. Each block has a weight, and the weight of Block i is A_i. Snuke will perform the following operation on these blocks N times:
* Choose one block that is still not removed, an... | instruction | 0 | 1,512 | 16 | 3,024 |
"Correct Solution:
```
mod=10**9+7
N=int(input())
a=[int(i) for i in input().split()]
F=1
for i in range(1,N+1):
F=(F*i)%mod
def power(x,y):
if y==0:
return 1
elif y==1:
return x%mod
elif y%2==0:
return power(x,y//2)**2%mod
else:
return (power(x,y//2)**2)*x%mod
inv=[0]*(N)
for i in range(N... | output | 1 | 1,512 | 16 | 3,025 |
Provide a correct Python 3 solution for this coding contest problem.
There are N blocks arranged in a row, numbered 1 to N from left to right. Each block has a weight, and the weight of Block i is A_i. Snuke will perform the following operation on these blocks N times:
* Choose one block that is still not removed, an... | instruction | 0 | 1,513 | 16 | 3,026 |
"Correct Solution:
```
def prepare(n, MOD):
f = 1
factorials = [1]
for m in range(1, n + 1):
f *= m
f %= MOD
factorials.append(f)
inv = pow(f, MOD - 2, MOD)
invs = [1] * (n + 1)
invs[n] = inv
for m in range(n, 1, -1):
inv *= m
inv %= MOD
invs[m... | output | 1 | 1,513 | 16 | 3,027 |
Provide a correct Python 3 solution for this coding contest problem.
There are N blocks arranged in a row, numbered 1 to N from left to right. Each block has a weight, and the weight of Block i is A_i. Snuke will perform the following operation on these blocks N times:
* Choose one block that is still not removed, an... | instruction | 0 | 1,514 | 16 | 3,028 |
"Correct Solution:
```
n = int(input())
A = [int(i) for i in input().split()]
p = 10 ** 9 + 7
def fact(n, p=10**9 + 7):
f = 1
for i in range(1, n+1):
f *= i
f %= p
return f
def get_inv(n, p=10**9 + 7):
inv = [0, 1]
for i in range(2, n+1):
inv.append(-(p//i * inv[p%i]) % p)... | output | 1 | 1,514 | 16 | 3,029 |
Provide a correct Python 3 solution for this coding contest problem.
There are N blocks arranged in a row, numbered 1 to N from left to right. Each block has a weight, and the weight of Block i is A_i. Snuke will perform the following operation on these blocks N times:
* Choose one block that is still not removed, an... | instruction | 0 | 1,515 | 16 | 3,030 |
"Correct Solution:
```
# B
N = int(input())
A_list = list(map(int, input().split()))
LARGE = 10**9+7
def pinv(p, k):
return pow(k, p-2, p)
Npow = 1
for i in range(2, N+1):
Npow = Npow*i % LARGE
K = 0
for i in range(N):
K += pinv(LARGE, i+1)
res = (K*A_list[0]) % LARGE
for i in range(1, N):
K -= pin... | output | 1 | 1,515 | 16 | 3,031 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N blocks arranged in a row, numbered 1 to N from left to right. Each block has a weight, and the weight of Block i is A_i. Snuke will perform the following operation on these blocks N ... | instruction | 0 | 1,516 | 16 | 3,032 |
Yes | output | 1 | 1,516 | 16 | 3,033 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N blocks arranged in a row, numbered 1 to N from left to right. Each block has a weight, and the weight of Block i is A_i. Snuke will perform the following operation on these blocks N ... | instruction | 0 | 1,517 | 16 | 3,034 |
Yes | output | 1 | 1,517 | 16 | 3,035 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N blocks arranged in a row, numbered 1 to N from left to right. Each block has a weight, and the weight of Block i is A_i. Snuke will perform the following operation on these blocks N ... | instruction | 0 | 1,518 | 16 | 3,036 |
Yes | output | 1 | 1,518 | 16 | 3,037 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N blocks arranged in a row, numbered 1 to N from left to right. Each block has a weight, and the weight of Block i is A_i. Snuke will perform the following operation on these blocks N ... | instruction | 0 | 1,519 | 16 | 3,038 |
Yes | output | 1 | 1,519 | 16 | 3,039 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N blocks arranged in a row, numbered 1 to N from left to right. Each block has a weight, and the weight of Block i is A_i. Snuke will perform the following operation on these blocks N ... | instruction | 0 | 1,520 | 16 | 3,040 |
No | output | 1 | 1,520 | 16 | 3,041 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N blocks arranged in a row, numbered 1 to N from left to right. Each block has a weight, and the weight of Block i is A_i. Snuke will perform the following operation on these blocks N ... | instruction | 0 | 1,521 | 16 | 3,042 |
No | output | 1 | 1,521 | 16 | 3,043 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N blocks arranged in a row, numbered 1 to N from left to right. Each block has a weight, and the weight of Block i is A_i. Snuke will perform the following operation on these blocks N ... | instruction | 0 | 1,522 | 16 | 3,044 |
No | output | 1 | 1,522 | 16 | 3,045 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N blocks arranged in a row, numbered 1 to N from left to right. Each block has a weight, and the weight of Block i is A_i. Snuke will perform the following operation on these blocks N ... | instruction | 0 | 1,523 | 16 | 3,046 |
No | output | 1 | 1,523 | 16 | 3,047 |
Provide a correct Python 3 solution for this coding contest problem.
There is an H \times W grid (H vertical, W horizontal), where each square contains a lowercase English letter. Specifically, the letter in the square at the i-th row and j-th column is equal to the j-th character in the string S_i.
Snuke can apply t... | instruction | 0 | 1,524 | 16 | 3,048 |
"Correct Solution:
```
H, W = map(int, input().split())
Ss = [input() for _ in range(H)]
# 行の入れ替えパターンを生成する（中央付近から埋めていく）
def dfs(iR):
# 全て埋まったら、判定に移る
if iR < 0:
return check()
# 未使用の行を検索する
iF = flgs.index(False)
Rs[iR] = iF - offset
flgs[iF] = True
# ペアの相手を決めて、次のペア生成に移る
ans = F... | output | 1 | 1,524 | 16 | 3,049 |
Provide a correct Python 3 solution for this coding contest problem.
There is an H \times W grid (H vertical, W horizontal), where each square contains a lowercase English letter. Specifically, the letter in the square at the i-th row and j-th column is equal to the j-th character in the string S_i.
Snuke can apply t... | instruction | 0 | 1,525 | 16 | 3,050 |
"Correct Solution:
```
def check(field):
tr = list(map(''.join, zip(*field)))
paired = set()
center = -1
for i, col1 in enumerate(tr):
if i in paired:
continue
for j, col2 in enumerate(tr[i + 1:], start=i + 1):
if j in paired:
continue
... | output | 1 | 1,525 | 16 | 3,051 |
Provide a correct Python 3 solution for this coding contest problem.
There is an H \times W grid (H vertical, W horizontal), where each square contains a lowercase English letter. Specifically, the letter in the square at the i-th row and j-th column is equal to the j-th character in the string S_i.
Snuke can apply t... | instruction | 0 | 1,526 | 16 | 3,052 |
"Correct Solution:
```
import os
import sys
if os.getenv("LOCAL"):
sys.stdin = open("_in.txt", "r")
sys.setrecursionlimit(10 ** 9)
INF = float("inf")
IINF = 10 ** 18
MOD = 10 ** 9 + 7
# MOD = 998244353
H, W = list(map(int, sys.stdin.buffer.readline().split()))
S = [sys.stdin.buffer.readline().decode().rstrip() f... | output | 1 | 1,526 | 16 | 3,053 |
Provide a correct Python 3 solution for this coding contest problem.
There is an H \times W grid (H vertical, W horizontal), where each square contains a lowercase English letter. Specifically, the letter in the square at the i-th row and j-th column is equal to the j-th character in the string S_i.
Snuke can apply t... | instruction | 0 | 1,527 | 16 | 3,054 |
"Correct Solution:
```
H,W=map(int,input().split())
G=[list(input()) for i in range(H)]
G_t=[list(x) for x in list(zip(*G))]
def Check(G,H,W):
Paired_y=[False]*H
for y1 in range(H):
if Paired_y[y1]:
continue
for y2 in range(H):
if y1==y2 or Paired_y[y2]:
continue
Paired_x=[False]*W... | output | 1 | 1,527 | 16 | 3,055 |
Provide a correct Python 3 solution for this coding contest problem.
There is an H \times W grid (H vertical, W horizontal), where each square contains a lowercase English letter. Specifically, the letter in the square at the i-th row and j-th column is equal to the j-th character in the string S_i.
Snuke can apply t... | instruction | 0 | 1,528 | 16 | 3,056 |
"Correct Solution:
```
H, W = map(int, input().split())
S = [input() for i in range(H)]
def check(l):
u = [0]*W
mid = W % 2
for i in range(W):
if u[i]:
continue
for j in range(i+1, W):
for p, q in l:
sp = S[p]; sq = S[q]
if sp[i] != s... | output | 1 | 1,528 | 16 | 3,057 |
Provide a correct Python 3 solution for this coding contest problem.
There is an H \times W grid (H vertical, W horizontal), where each square contains a lowercase English letter. Specifically, the letter in the square at the i-th row and j-th column is equal to the j-th character in the string S_i.
Snuke can apply t... | instruction | 0 | 1,529 | 16 | 3,058 |
"Correct Solution:
```
import sys
import copy
sys.setrecursionlimit(10 ** 6)
def main():
def per(s, a=[]):
if not s:
return [a]
if len(s) % 2:
cs = copy.deepcopy(s)
res = []
for u in cs:
s.remove(u)
res += per(s, [u] +... | output | 1 | 1,529 | 16 | 3,059 |
Provide a correct Python 3 solution for this coding contest problem.
There is an H \times W grid (H vertical, W horizontal), where each square contains a lowercase English letter. Specifically, the letter in the square at the i-th row and j-th column is equal to the j-th character in the string S_i.
Snuke can apply t... | instruction | 0 | 1,530 | 16 | 3,060 |
"Correct Solution:
```
# この解法は嘘を含む
from itertools import groupby
H, W = map(int, input().split())
S_ = ["" for _ in range(W)]
T_ = []
for _ in range(H):
s = input()
T_.append(s)
for i, c in enumerate(s):
S_[i] += c
T = [sorted(t) for t in T_]
S = [sorted(s) for s in S_]
cnt = 0
for _, g in groupby(... | output | 1 | 1,530 | 16 | 3,061 |
Provide a correct Python 3 solution for this coding contest problem.
There is an H \times W grid (H vertical, W horizontal), where each square contains a lowercase English letter. Specifically, the letter in the square at the i-th row and j-th column is equal to the j-th character in the string S_i.
Snuke can apply t... | instruction | 0 | 1,531 | 16 | 3,062 |
"Correct Solution:
```
from collections import Counter
n,m = map(int,input().split())
grid = [list(input()) for i in range(n)]
def jc(a,b):
l = len(a)
used = [0]*l
for i in range(l):
if used[i]:
continue
for j in range(i+1,l):
if used[j]:
continue
if a[i] == b[j] and b[i] == a[j]... | output | 1 | 1,531 | 16 | 3,063 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is an H \times W grid (H vertical, W horizontal), where each square contains a lowercase English letter. Specifically, the letter in the square at the i-th row and j-th column is equal to ... | instruction | 0 | 1,532 | 16 | 3,064 |
Yes | output | 1 | 1,532 | 16 | 3,065 |
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