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.
Let N be a positive even number.
We have a permutation of (1, 2, ..., N), p = (p_1, p_2, ..., p_N). Snuke is constructing another permutation of (1, 2, ..., N), q, following the procedure below.
First, let q be an empty sequence. Then, perform the ... | instruction | 0 | 51,162 | 16 | 102,324 |
"Correct Solution:
```
#####segfunc#####
def segfunc(x, y):
if y[0]>x[0]:
return x
else:
return y
#################
#####ide_ele#####
ide_ele =(float("inf"),-1)
#################
class SegTree:
"""
init(init_val, ide_ele): 配列init_valで初期化 O(N)
update(k, x): k番目の値をxに更新 O(logN)
qu... | output | 1 | 51,162 | 16 | 102,325 |
Provide a correct Python 3 solution for this coding contest problem.
Let N be a positive even number.
We have a permutation of (1, 2, ..., N), p = (p_1, p_2, ..., p_N). Snuke is constructing another permutation of (1, 2, ..., N), q, following the procedure below.
First, let q be an empty sequence. Then, perform the ... | instruction | 0 | 51,163 | 16 | 102,326 |
"Correct Solution:
```
class segment_tree:
def __init__(self, N, operator_M, e_M):
self.op_M = operator_M
self.e_M = e_M
self.N0 = 1<<(N-1).bit_length()
self.dat = [self.e_M]*(2*self.N0)
# 長さNの配列 initial で初期化
def build(self, initial):
self.dat[self.N0:se... | output | 1 | 51,163 | 16 | 102,327 |
Provide a correct Python 3 solution for this coding contest problem.
Let N be a positive even number.
We have a permutation of (1, 2, ..., N), p = (p_1, p_2, ..., p_N). Snuke is constructing another permutation of (1, 2, ..., N), q, following the procedure below.
First, let q be an empty sequence. Then, perform the ... | instruction | 0 | 51,164 | 16 | 102,328 |
"Correct Solution:
```
import sys
input = sys.stdin.buffer.readline
# O(NlogN)構築、クエリO(1)のRMQ
# 変更はできない
class SparseTable():
def __init__(self, N, A):
self.N = N
self.logN = N.bit_length()
self.A = A
self.table = [[i for i in range(N)]]
for k in range(self.logN):
... | output | 1 | 51,164 | 16 | 102,329 |
Provide a correct Python 3 solution for this coding contest problem.
Let N be a positive even number.
We have a permutation of (1, 2, ..., N), p = (p_1, p_2, ..., p_N). Snuke is constructing another permutation of (1, 2, ..., N), q, following the procedure below.
First, let q be an empty sequence. Then, perform the ... | instruction | 0 | 51,165 | 16 | 102,330 |
"Correct Solution:
```
from heapq import heappop, heappush
import sys
sys.setrecursionlimit(10 ** 7)
input = sys.stdin.readline
n = int(input())
p = [int(x) for x in input().split()]
class SegmentTree: # 0-indexed
def __init__(self, array, operation=min, identity=10**30):
self.identity = identity
... | output | 1 | 51,165 | 16 | 102,331 |
Provide a correct Python 3 solution for this coding contest problem.
Let N be a positive even number.
We have a permutation of (1, 2, ..., N), p = (p_1, p_2, ..., p_N). Snuke is constructing another permutation of (1, 2, ..., N), q, following the procedure below.
First, let q be an empty sequence. Then, perform the ... | instruction | 0 | 51,166 | 16 | 102,332 |
"Correct Solution:
```
class SegTree:
def __init__(self, init_val, ide_ele, segfunc):
self.n = len(init_val)
self.num =2**(self.n-1).bit_length()
self.ide_ele = ide_ele
self.seg = [self.ide_ele]*2*self.num
self.segfunc = segfunc
#set_val
for i in rang... | output | 1 | 51,166 | 16 | 102,333 |
Provide a correct Python 3 solution for this coding contest problem.
Let N be a positive even number.
We have a permutation of (1, 2, ..., N), p = (p_1, p_2, ..., p_N). Snuke is constructing another permutation of (1, 2, ..., N), q, following the procedure below.
First, let q be an empty sequence. Then, perform the ... | instruction | 0 | 51,167 | 16 | 102,334 |
"Correct Solution:
```
def main():
n = int(input())
p = list(map(lambda x: int(x)-1, input().split()))
pos = [j for i, j in sorted([(j, i) for i, j in enumerate(p)])]
basesize = n >> 1
num = 1
while num < basesize:
num *= 2
num -= 1
tree_even = [100001]*(num*2+1)
tree_odd =... | output | 1 | 51,167 | 16 | 102,335 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let N be a positive even number.
We have a permutation of (1, 2, ..., N), p = (p_1, p_2, ..., p_N). Snuke is constructing another permutation of (1, 2, ..., N), q, following the procedure below... | instruction | 0 | 51,168 | 16 | 102,336 |
Yes | output | 1 | 51,168 | 16 | 102,337 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let N be a positive even number.
We have a permutation of (1, 2, ..., N), p = (p_1, p_2, ..., p_N). Snuke is constructing another permutation of (1, 2, ..., N), q, following the procedure below... | instruction | 0 | 51,169 | 16 | 102,338 |
Yes | output | 1 | 51,169 | 16 | 102,339 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let N be a positive even number.
We have a permutation of (1, 2, ..., N), p = (p_1, p_2, ..., p_N). Snuke is constructing another permutation of (1, 2, ..., N), q, following the procedure below... | instruction | 0 | 51,170 | 16 | 102,340 |
Yes | output | 1 | 51,170 | 16 | 102,341 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let N be a positive even number.
We have a permutation of (1, 2, ..., N), p = (p_1, p_2, ..., p_N). Snuke is constructing another permutation of (1, 2, ..., N), q, following the procedure below... | instruction | 0 | 51,171 | 16 | 102,342 |
Yes | output | 1 | 51,171 | 16 | 102,343 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let N be a positive even number.
We have a permutation of (1, 2, ..., N), p = (p_1, p_2, ..., p_N). Snuke is constructing another permutation of (1, 2, ..., N), q, following the procedure below... | instruction | 0 | 51,172 | 16 | 102,344 |
No | output | 1 | 51,172 | 16 | 102,345 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let N be a positive even number.
We have a permutation of (1, 2, ..., N), p = (p_1, p_2, ..., p_N). Snuke is constructing another permutation of (1, 2, ..., N), q, following the procedure below... | instruction | 0 | 51,173 | 16 | 102,346 |
No | output | 1 | 51,173 | 16 | 102,347 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let N be a positive even number.
We have a permutation of (1, 2, ..., N), p = (p_1, p_2, ..., p_N). Snuke is constructing another permutation of (1, 2, ..., N), q, following the procedure below... | instruction | 0 | 51,174 | 16 | 102,348 |
No | output | 1 | 51,174 | 16 | 102,349 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let N be a positive even number.
We have a permutation of (1, 2, ..., N), p = (p_1, p_2, ..., p_N). Snuke is constructing another permutation of (1, 2, ..., N), q, following the procedure below... | instruction | 0 | 51,175 | 16 | 102,350 |
No | output | 1 | 51,175 | 16 | 102,351 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke, who loves animals, built a zoo.
There are N animals in this zoo. They are conveniently numbered 1 through N, and arranged in a circle. The animal numbered i (2≤i≤N-1) is adjacent to the animals numbered i-1 and i+1. Also, the animal numbered ... | instruction | 0 | 51,176 | 16 | 102,352 |
"Correct Solution:
```
n = int(input())
s = input()
def check(ox, l, m, r):
if l == r:
if (m == 'S' and ox == 'o') or (m == 'W' and ox == 'x'):
return True
else:
return False
else:
return not check(ox, l, m, l)
for one in 'SW':
for two in 'SW':
a = o... | output | 1 | 51,176 | 16 | 102,353 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke, who loves animals, built a zoo.
There are N animals in this zoo. They are conveniently numbered 1 through N, and arranged in a circle. The animal numbered i (2≤i≤N-1) is adjacent to the animals numbered i-1 and i+1. Also, the animal numbered ... | instruction | 0 | 51,177 | 16 | 102,354 |
"Correct Solution:
```
import sys
N = int(input())
s = input()
List = [['S','S'], ['S','W'], ['W','S'], ['W','W']]
for i in range(4):
ans = List[i]
for i in range(1,N):
if i != N-1:
if (ans[i-1] == ans[i] and s[i] == 'o') or (ans[i-1] != ans[i] and s[i] == 'x'):
ans.append('S... | output | 1 | 51,177 | 16 | 102,355 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke, who loves animals, built a zoo.
There are N animals in this zoo. They are conveniently numbered 1 through N, and arranged in a circle. The animal numbered i (2≤i≤N-1) is adjacent to the animals numbered i-1 and i+1. Also, the animal numbered ... | instruction | 0 | 51,178 | 16 | 102,356 |
"Correct Solution:
```
N = int(input())
s = input()
def check_truth(a_0, a_1):
a = [True for i in range(N)] # True: Sheep, False: Wolf
a[0] = a_0
a[-1] = a_1
for i in range(N):
if a[i]:
if s[i] == 'o':
a[(i+1)%N] = a[i-1]
else:
a[(i+1)%N... | output | 1 | 51,178 | 16 | 102,357 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke, who loves animals, built a zoo.
There are N animals in this zoo. They are conveniently numbered 1 through N, and arranged in a circle. The animal numbered i (2≤i≤N-1) is adjacent to the animals numbered i-1 and i+1. Also, the animal numbered ... | instruction | 0 | 51,179 | 16 | 102,358 |
"Correct Solution:
```
import itertools
n = int(input())
s = input()
t = [''] * n
for p in itertools.product(['o', 'x'], repeat=2):
t[-1] = p[0]
t[0] = p[1]
for i in range(1, n - 1):
if (t[i - 2] + t[i - 1] + s[i - 1]).count('x') % 2 == 0:
t[i] = 'o'
else:
t[i] = 'x'
if (t[-3] + t[-2] + t[-1... | output | 1 | 51,179 | 16 | 102,359 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke, who loves animals, built a zoo.
There are N animals in this zoo. They are conveniently numbered 1 through N, and arranged in a circle. The animal numbered i (2≤i≤N-1) is adjacent to the animals numbered i-1 and i+1. Also, the animal numbered ... | instruction | 0 | 51,180 | 16 | 102,360 |
"Correct Solution:
```
N = int(input())
s = input()
def fnc(x1, x2):
pre = x1 # s[-1] の仮定
curr = x2 # s[0] の仮定
ans = []
for i in range(N):
if curr == 1: # 羊
if s[i] == 'o':
nv = pre
else:
nv = (pre + 1) % 2
else: # 狼
... | output | 1 | 51,180 | 16 | 102,361 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke, who loves animals, built a zoo.
There are N animals in this zoo. They are conveniently numbered 1 through N, and arranged in a circle. The animal numbered i (2≤i≤N-1) is adjacent to the animals numbered i-1 and i+1. Also, the animal numbered ... | instruction | 0 | 51,181 | 16 | 102,362 |
"Correct Solution:
```
N = int(input())
s = input()
def calcnext(a, b, c):
if b == "W":
c = "x" if c == "o" else "o"
n = a if c == "o" else "S" if a == "W" else "W"
return n
for ab in ["SS", "SW", "WS", "WW"]:
l = list(ab)
for i in range(2, N+2):
n = calcnext(l[i-2], l[i-1], s[(i-1)%N])
l.append(n... | output | 1 | 51,181 | 16 | 102,363 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke, who loves animals, built a zoo.
There are N animals in this zoo. They are conveniently numbered 1 through N, and arranged in a circle. The animal numbered i (2≤i≤N-1) is adjacent to the animals numbered i-1 and i+1. Also, the animal numbered ... | instruction | 0 | 51,182 | 16 | 102,364 |
"Correct Solution:
```
n=int(input())
s=input()
ss="SS"
sw="SW"
ws="WS"
ww="WW"
def f(t,c):
if t=="o":
if c[-2:]=="SS" or c[-2:]=="WW":
return c+"S"
else:
return c+"W"
else:
if c[-2:]=="SW" or c[-2:]=="WS":
return c+"S"
else:
return... | output | 1 | 51,182 | 16 | 102,365 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke, who loves animals, built a zoo.
There are N animals in this zoo. They are conveniently numbered 1 through N, and arranged in a circle. The animal numbered i (2≤i≤N-1) is adjacent to the animals numbered i-1 and i+1. Also, the animal numbered ... | instruction | 0 | 51,183 | 16 | 102,366 |
"Correct Solution:
```
n=int(input())
s=input()
ch=['S','W']
for c1 in range(2):
for c0 in range(2):
if (ch[c1]=='S' and s[1]=='o') or (ch[c1]=='W' and s[1]=='x'):
ans=ch[c0]+ch[c1]+ch[c0]
else:
ans=ch[c0]+ch[c1]+ch[(c0+1)%2]
i=2
while i<n-1:
... | output | 1 | 51,183 | 16 | 102,367 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke, who loves animals, built a zoo.
There are N animals in this zoo. They are conveniently numbered 1 through N, and arranged in a circle. The animal numbered i (2≤i≤N-1) is adjacent to the ... | instruction | 0 | 51,184 | 16 | 102,368 |
Yes | output | 1 | 51,184 | 16 | 102,369 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke, who loves animals, built a zoo.
There are N animals in this zoo. They are conveniently numbered 1 through N, and arranged in a circle. The animal numbered i (2≤i≤N-1) is adjacent to the ... | instruction | 0 | 51,185 | 16 | 102,370 |
Yes | output | 1 | 51,185 | 16 | 102,371 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke, who loves animals, built a zoo.
There are N animals in this zoo. They are conveniently numbered 1 through N, and arranged in a circle. The animal numbered i (2≤i≤N-1) is adjacent to the ... | instruction | 0 | 51,186 | 16 | 102,372 |
Yes | output | 1 | 51,186 | 16 | 102,373 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke, who loves animals, built a zoo.
There are N animals in this zoo. They are conveniently numbered 1 through N, and arranged in a circle. The animal numbered i (2≤i≤N-1) is adjacent to the ... | instruction | 0 | 51,187 | 16 | 102,374 |
Yes | output | 1 | 51,187 | 16 | 102,375 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke, who loves animals, built a zoo.
There are N animals in this zoo. They are conveniently numbered 1 through N, and arranged in a circle. The animal numbered i (2≤i≤N-1) is adjacent to the ... | instruction | 0 | 51,188 | 16 | 102,376 |
No | output | 1 | 51,188 | 16 | 102,377 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke, who loves animals, built a zoo.
There are N animals in this zoo. They are conveniently numbered 1 through N, and arranged in a circle. The animal numbered i (2≤i≤N-1) is adjacent to the ... | instruction | 0 | 51,189 | 16 | 102,378 |
No | output | 1 | 51,189 | 16 | 102,379 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke, who loves animals, built a zoo.
There are N animals in this zoo. They are conveniently numbered 1 through N, and arranged in a circle. The animal numbered i (2≤i≤N-1) is adjacent to the ... | instruction | 0 | 51,190 | 16 | 102,380 |
No | output | 1 | 51,190 | 16 | 102,381 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke, who loves animals, built a zoo.
There are N animals in this zoo. They are conveniently numbered 1 through N, and arranged in a circle. The animal numbered i (2≤i≤N-1) is adjacent to the ... | instruction | 0 | 51,191 | 16 | 102,382 |
No | output | 1 | 51,191 | 16 | 102,383 |
Provide a correct Python 3 solution for this coding contest problem.
There are N squares arranged in a row. The squares are numbered 1, 2, ..., N, from left to right.
Snuke is painting each square in red, green or blue. According to his aesthetic sense, the following M conditions must all be satisfied. The i-th condi... | instruction | 0 | 52,917 | 16 | 105,834 |
"Correct Solution:
```
# coding: utf-8
# Your code here!
import sys
read = sys.stdin.read
readline = sys.stdin.readline
n,m = map(int,readline().split())
#lrx = [tuple(map(int,readline().split())) for _ in range(m)]
#lrx.sort(key=lambda x: x[1])
cond = [[] for _ in range(n+1)]
for _ in range(m):
l,r,x = map(int,re... | output | 1 | 52,917 | 16 | 105,835 |
Provide a correct Python 3 solution for this coding contest problem.
There are N squares arranged in a row. The squares are numbered 1, 2, ..., N, from left to right.
Snuke is painting each square in red, green or blue. According to his aesthetic sense, the following M conditions must all be satisfied. The i-th condi... | instruction | 0 | 52,918 | 16 | 105,836 |
"Correct Solution:
```
import sys
from collections import defaultdict
sys.setrecursionlimit(10 ** 6)
int1 = lambda x: int(x) - 1
p2D = lambda x: print(*x, sep="\n")
def MI(): return map(int, sys.stdin.readline().split())
def LI(): return list(map(int, sys.stdin.readline().split()))
def LLI(rows_number): return [LI() f... | output | 1 | 52,918 | 16 | 105,837 |
Provide a correct Python 3 solution for this coding contest problem.
There are N squares arranged in a row. The squares are numbered 1, 2, ..., N, from left to right.
Snuke is painting each square in red, green or blue. According to his aesthetic sense, the following M conditions must all be satisfied. The i-th condi... | instruction | 0 | 52,919 | 16 | 105,838 |
"Correct Solution:
```
MOD = 10**9 + 7
N, M = map(int, input().split())
S = [[N]*(N+1) for i in [0,1,2]]
T = [[0]*(N+1) for i in [0,1,2]]
C = [0]*(N+1)
for i in range(M):
l, r, x = map(int, input().split())
S[x-1][r] = min(S[x-1][r], l)
T[x-1][r] = max(T[x-1][r], l)
C[r] = 1
S0, S1, S2 = S
T0, T1, T2 ... | output | 1 | 52,919 | 16 | 105,839 |
Provide a correct Python 3 solution for this coding contest problem.
There are N squares arranged in a row. The squares are numbered 1, 2, ..., N, from left to right.
Snuke is painting each square in red, green or blue. According to his aesthetic sense, the following M conditions must all be satisfied. The i-th condi... | instruction | 0 | 52,920 | 16 | 105,840 |
"Correct Solution:
```
from collections import defaultdict
MOD = 1000000007
iist = lambda: map(int,input().split())
N,M = iist()
Q = defaultdict(list)
for i in range(M):
l,r,x = iist()
Q[r].append((l,x-1))
if any(x != 0 for l,x in Q[1]):
print(0)
exit(0)
dp = {(0,0):3}
memo = [6]
s = 3
for pk in range(1,N)... | output | 1 | 52,920 | 16 | 105,841 |
Provide a correct Python 3 solution for this coding contest problem.
There are N squares arranged in a row. The squares are numbered 1, 2, ..., N, from left to right.
Snuke is painting each square in red, green or blue. According to his aesthetic sense, the following M conditions must all be satisfied. The i-th condi... | instruction | 0 | 52,921 | 16 | 105,842 |
"Correct Solution:
```
from itertools import permutations
n,m = map(int,input().split())
lrx = [list(map(int,input().split())) for i in range(m)]
lrx.sort(key = lambda x:x[1])
mod = 10**9+7
dp = [[[0 for b in range(max(1,g))] for g in range(max(1,r))] for r in range(n+1)]
dp[0][0][0] = 1
for l,r,t in lrx:
if t != 1:
... | output | 1 | 52,921 | 16 | 105,843 |
Provide a correct Python 3 solution for this coding contest problem.
There are N squares arranged in a row. The squares are numbered 1, 2, ..., N, from left to right.
Snuke is painting each square in red, green or blue. According to his aesthetic sense, the following M conditions must all be satisfied. The i-th condi... | instruction | 0 | 52,922 | 16 | 105,844 |
"Correct Solution:
```
import sys
input = sys.stdin.readline
mod = 10**9+7
# (i, j, k+1)に置くのが、条件(l,x)に適しているか
def check(i, j, l, x):
return (x == 3 and l <= i) or (x == 2 and i < l <= j) or (x == 1 and j < l)
N, M = map(int, input().split())
LRX = [list(map(int, input().split())) for _ in range(M)]
LX = [[] f... | output | 1 | 52,922 | 16 | 105,845 |
Provide a correct Python 3 solution for this coding contest problem.
There are N squares arranged in a row. The squares are numbered 1, 2, ..., N, from left to right.
Snuke is painting each square in red, green or blue. According to his aesthetic sense, the following M conditions must all be satisfied. The i-th condi... | instruction | 0 | 52,923 | 16 | 105,846 |
"Correct Solution:
```
from collections import defaultdict
MOD = 1000000007
iist = lambda: map(int,input().split())
N,M = iist()
Q = defaultdict(list)
for i in range(M):
l,r,x = iist()
Q[r].append((l,x))
if any(x != 1 for l,x in Q[1]):
print(0)
exit(0)
dp = defaultdict(int)
dp[0,0] = 3
x_sum = [3]
y_sum = ... | output | 1 | 52,923 | 16 | 105,847 |
Provide a correct Python 3 solution for this coding contest problem.
There are N squares arranged in a row. The squares are numbered 1, 2, ..., N, from left to right.
Snuke is painting each square in red, green or blue. According to his aesthetic sense, the following M conditions must all be satisfied. The i-th condi... | instruction | 0 | 52,924 | 16 | 105,848 |
"Correct Solution:
```
import sys
readline = sys.stdin.readline
def viol(c2, c3, l, x):
res = False
if x == 1:
if not c2 < l:
res = True
elif x == 2:
if not c3 < l <= c2:
res = True
else:
if not l <= c3:
res = True
return res
MOD = 10**9+7... | output | 1 | 52,924 | 16 | 105,849 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N squares arranged in a row. The squares are numbered 1, 2, ..., N, from left to right.
Snuke is painting each square in red, green or blue. According to his aesthetic sense, the foll... | instruction | 0 | 52,925 | 16 | 105,850 |
Yes | output | 1 | 52,925 | 16 | 105,851 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N squares arranged in a row. The squares are numbered 1, 2, ..., N, from left to right.
Snuke is painting each square in red, green or blue. According to his aesthetic sense, the foll... | instruction | 0 | 52,926 | 16 | 105,852 |
Yes | output | 1 | 52,926 | 16 | 105,853 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N squares arranged in a row. The squares are numbered 1, 2, ..., N, from left to right.
Snuke is painting each square in red, green or blue. According to his aesthetic sense, the foll... | instruction | 0 | 52,927 | 16 | 105,854 |
Yes | output | 1 | 52,927 | 16 | 105,855 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N squares arranged in a row. The squares are numbered 1, 2, ..., N, from left to right.
Snuke is painting each square in red, green or blue. According to his aesthetic sense, the foll... | instruction | 0 | 52,928 | 16 | 105,856 |
No | output | 1 | 52,928 | 16 | 105,857 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N squares arranged in a row. The squares are numbered 1, 2, ..., N, from left to right.
Snuke is painting each square in red, green or blue. According to his aesthetic sense, the foll... | instruction | 0 | 52,929 | 16 | 105,858 |
No | output | 1 | 52,929 | 16 | 105,859 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N squares arranged in a row. The squares are numbered 1, 2, ..., N, from left to right.
Snuke is painting each square in red, green or blue. According to his aesthetic sense, the foll... | instruction | 0 | 52,930 | 16 | 105,860 |
No | output | 1 | 52,930 | 16 | 105,861 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N squares arranged in a row. The squares are numbered 1, 2, ..., N, from left to right.
Snuke is painting each square in red, green or blue. According to his aesthetic sense, the foll... | instruction | 0 | 52,931 | 16 | 105,862 |
No | output | 1 | 52,931 | 16 | 105,863 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Consider all integers between 1 and 2N, inclusive. Snuke wants to divide these integers into N pairs such that:
* Each integer between 1 and 2N is contained in exactly one of the pairs.
* In ex... | instruction | 0 | 52,932 | 16 | 105,864 |
No | output | 1 | 52,932 | 16 | 105,865 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke loves colorful balls. He has a total of N×K balls, K in each of his favorite N colors. The colors are numbered 1 through N.
He will arrange all of the balls in a row from left to right, in arbitrary order. Then, for each of the N colors, he wi... | instruction | 0 | 52,933 | 16 | 105,866 |
"Correct Solution:
```
def pow_mod(MOD, a, n):
ret = 1
while n != 0:
if n % 2 == 1: ret = ret * a % MOD
a = a * a % MOD
n //= 2
return ret
def fac(n):
MOD = 1000000007
ret = 1
for i in range(1, n + 1):
ret = ret * i % MOD
return ret
def fac_gen(first, last):... | output | 1 | 52,933 | 16 | 105,867 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke is playing with red and blue balls, placing them on a two-dimensional plane.
First, he performed N operations to place red balls. In the i-th of these operations, he placed RC_i red balls at coordinates (RX_i,RY_i). Then, he performed another ... | instruction | 0 | 54,593 | 16 | 109,186 |
"Correct Solution:
```
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
from heapq import heappop, heappush
N = int(readline())
m = map(int,read().split())
data = list(zip(m,m,m))
R = data[:N]
B = data[N:]
class MinCostFlow:
"""
最小費用流。負辺がないと仮... | output | 1 | 54,593 | 16 | 109,187 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke is playing with red and blue balls, placing them on a two-dimensional plane.
First, he performed N operations to place red balls. In the i-th of these operations, he placed RC_i red balls at coordinates (RX_i,RY_i). Then, he performed another ... | instruction | 0 | 54,594 | 16 | 109,188 |
"Correct Solution:
```
import sys
from collections import deque
input = sys.stdin.readline
N = int(input())
N_ = 2 * N + 6
N1, N2, N3, N4, N5 = range(N + 1, N + 6)
G = [[] for i in range(2 * N + 6)]
INF = 10 ** 12
def add_edge(fr, to, cap, cost) :
G[fr].append([to, cap, cost, len(G[to])])
G[to].appen... | output | 1 | 54,594 | 16 | 109,189 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke is playing with red and blue balls, placing them on a two-dimensional plane.
First, he performed N operations to place red balls. In the i-th of these operations, he placed RC_i red balls at coordinates (RX_i,RY_i). Then, he performed another ... | instruction | 0 | 54,595 | 16 | 109,190 |
"Correct Solution:
```
def main():
import sys
input=sys.stdin.readline
from collections import deque
inf=10**12
class MinCostFlow:
def __init__(self,n):
self.n=n
self.edges=[[] for i in range(n)]
def add_edge(self,fr,to,cap,cost):
self.edges[fr].a... | output | 1 | 54,595 | 16 | 109,191 |
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