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 |
|---|---|---|---|---|---|
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 | 1,533 | 16 | 3,066 |
No | output | 1 | 1,533 | 16 | 3,067 |
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 | 1,534 | 16 | 3,068 |
No | output | 1 | 1,534 | 16 | 3,069 |
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 | 1,535 | 16 | 3,070 |
No | output | 1 | 1,535 | 16 | 3,071 |
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 | 1,536 | 16 | 3,072 |
No | output | 1 | 1,536 | 16 | 3,073 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke got an integer sequence from his mother, as a birthday present. The sequence has N elements, and the i-th of them is i. Snuke performs the following Q operations on this sequence. The i-th operation, described by a parameter q_i, is as follows:... | instruction | 0 | 1,576 | 16 | 3,152 |
"Correct Solution:
```
import bisect,sys
input=sys.stdin.readline
N,Q=map(int,input().split())
que=[(N,0)]
for i in range(Q):
q=int(input())
que.append((q,i+1))
que.sort(reverse=True)
ext=[]
while que:
q,id=que.pop()
if not ext:
ext.append((q,id))
else:
if ext[-1][1]<id:
... | output | 1 | 1,576 | 16 | 3,153 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has a string x of length N. Initially, every character in x is `0`.
Snuke can do the following two operations any number of times in any order:
* Choose A consecutive characters in x and replace each of them with `0`.
* Choose B consecutive c... | instruction | 0 | 3,092 | 16 | 6,184 |
"Correct Solution:
```
MOD = 10 ** 9 + 7
n, a, b = map(int, input().split())
if a > b:
a, b = b, a
dp_1s = [0] * b
for l in range(a + 2, b):
dp = [[0, 0] for _ in range(l + 1)] # at i, 0/1 precedes
dp[1][1] = 1
for i in range(1, l):
dp[i + 1][0] = (dp[i + 1][0] + dp[i][0]) % MOD
dp[i +... | output | 1 | 3,092 | 16 | 6,185 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has a string x of length N. Initially, every character in x is `0`.
Snuke can do the following two operations any number of times in any order:
* Choose A consecutive characters in x and replace each of them with `0`.
* Choose B consecutive c... | instruction | 0 | 3,093 | 16 | 6,186 |
"Correct Solution:
```
n,aa,bb = list(map(int, input().split()))
a = max(aa,bb)
b = min(aa,bb)
p = 1000000007
xs0 = [0]*(n+1)
os0 = [0]*(n+1)
os0[0] = 1
for i in range(b,a-1):
for j in range(b,i+1):
xs0[i] += os0[i-j]
xs0[i] %= p
for j in range(1,i+1):
os0[i] += xs0[i-j]
os... | output | 1 | 3,093 | 16 | 6,187 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has a string x of length N. Initially, every character in x is `0`.
Snuke can do the following two operations any number of times in any order:
* Choose A consecutive characters in x and replace each of them with `0`.
* Choose B consecutive c... | instruction | 0 | 3,094 | 16 | 6,188 |
"Correct Solution:
```
import math
#import sys
#input = sys.stdin.readline
def make_divisors(n):
divisors = []
for i in range(1, int(n**0.5)+1):
if n % i == 0:
divisors.append(i)
if i != n // i:
divisors.append(n//i)
# divisors.sort()
return divisors
de... | output | 1 | 3,094 | 16 | 6,189 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has a string x of length N. Initially, every character in x is `0`.
Snuke can do the following two operations any number of times in any order:
* Choose A consecutive characters in x and replace each of them with `0`.
* Choose B consecutive c... | instruction | 0 | 3,095 | 16 | 6,190 |
"Correct Solution:
```
N,A,B=map(int,input().split())
mod=10**9+7
A,B=min(A,B),max(A,B)
data=[0]*B
data[0]=1
for i in range(1,B):
data[i]=(data[i-1]+sum(data[i-1-k] for k in range(A,i)))%mod
#print(data)
dp=[0]*(N+1)
dp[0]=1
imos=[0]*(N+1)
imos[0]=1
for i in range(1,N+1):
if i!=N:
for j in range(1,... | output | 1 | 3,095 | 16 | 6,191 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has a string x of length N. Initially, every character in x is `0`.
Snuke can do the following two operations any number of times in any order:
* Choose A consecutive characters in x and replace each of them with `0`.
* Choose B consecutive c... | instruction | 0 | 3,096 | 16 | 6,192 |
"Correct Solution:
```
def solve(n, a, b):
MOD = 10 ** 9 + 7
if a > b:
a, b = b, a
if a == 1:
return pow(2, n, MOD)
# 長さ i の区間であり、右端が '1' であり、
# はじめ '1' で塗りつぶされていたのを、
# 長さ a 以上の '0' で0回以上上書きすることで実現できる並びの個数
dp1 = [0] * (b + 1)
dp1_acc = [0] * (b + 1)
dp1[0] = 1
dp... | output | 1 | 3,096 | 16 | 6,193 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has a string x of length N. Initially, every character in x is `0`.
Snuke can do the following two operations any number of times in any order:
* Choose A consecutive characters in x and replace each of them with `0`.
* Choose B consecutive c... | instruction | 0 | 3,097 | 16 | 6,194 |
"Correct Solution:
```
"""
Writer: SPD_9X2
すべて0にする、すべて1にするは自明に可能
なので A >= B としてよい(A<Bの時は01を入れ替えて考えればよい)
最後に置いた場所の周囲がどんな状況か考える
0*Aがある場合、その周囲はすべての場合構成可能
ない場合は…？
1*Bがある場合を考える。長さB以上の1列は後からおけるからおｋだが…
長さB以上の1をすべて0に変えたときに、長さA以上の0があればおｋ
どう数え上げる？
ダメな場合を引くのがよさそう？
→dp[i][last][num] = i番目まで見て、lastを現在num個連続しておいている場合の通り数
ただし、dp... | output | 1 | 3,097 | 16 | 6,195 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has a string x of length N. Initially, every character in x is `0`.
Snuke can do the following two operations any number of times in any order:
* Choose A consecutive characters in x and... | instruction | 0 | 3,098 | 16 | 6,196 |
No | output | 1 | 3,098 | 16 | 6,197 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has a string x of length N. Initially, every character in x is `0`.
Snuke can do the following two operations any number of times in any order:
* Choose A consecutive characters in x and... | instruction | 0 | 3,099 | 16 | 6,198 |
No | output | 1 | 3,099 | 16 | 6,199 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has a string x of length N. Initially, every character in x is `0`.
Snuke can do the following two operations any number of times in any order:
* Choose A consecutive characters in x and... | instruction | 0 | 3,100 | 16 | 6,200 |
No | output | 1 | 3,100 | 16 | 6,201 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has a string x of length N. Initially, every character in x is `0`.
Snuke can do the following two operations any number of times in any order:
* Choose A consecutive characters in x and... | instruction | 0 | 3,101 | 16 | 6,202 |
No | output | 1 | 3,101 | 16 | 6,203 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke is standing on a two-dimensional plane. In one operation, he can move by 1 in the positive x-direction, or move by 1 in the positive y-direction.
Let us define a function f(r, c) as follows:
* f(r,c) := (The number of paths from the point (0... | instruction | 0 | 3,102 | 16 | 6,204 |
"Correct Solution:
```
def solve():
r1, c1, r2, c2 = map(int, input().split())
MOD = 10**9+7
n = r2+c2+2
fac = [1]*(n+1)
rev = [1]*(n+1)
for i in range(1,n+1):
fac[i] = i*fac[i-1]%MOD
rev[i] = pow(fac[i], MOD-2, MOD)
comb = lambda a,b:(fac[a]*rev[a-b]*rev[b])%MOD
f... | output | 1 | 3,102 | 16 | 6,205 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke is standing on a two-dimensional plane. In one operation, he can move by 1 in the positive x-direction, or move by 1 in the positive y-direction.
Let us define a function f(r, c) as follows:
* f(r,c) := (The number of paths from the point (0... | instruction | 0 | 3,103 | 16 | 6,206 |
"Correct Solution:
```
class Factorial:
def __init__(self,n,mod):
self.f=f=[0]*(n+1)
f[0]=b=1
self.mod=mod
for i in range(1,n+1):f[i]=b=b*i%mod
self.inv=inv=[0]*(n+1)
inv[0]=b=pow(self.f[n],mod-2,mod)
for i in range(1,n+1):inv[i]=b=b*(n+1-i)%mod
self.i... | output | 1 | 3,103 | 16 | 6,207 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke is standing on a two-dimensional plane. In one operation, he can move by 1 in the positive x-direction, or move by 1 in the positive y-direction.
Let us define a function f(r, c) as follows:
* f(r,c) := (The number of paths from the point (0... | instruction | 0 | 3,104 | 16 | 6,208 |
"Correct Solution:
```
r1, c1, r2, c2 = list(map(int, input().split()))
MOD = 10 ** 9 + 7
def modInverse(x, p):
# Fermat's little theorem
return pow(x, p - 2, p)
def nCr(n, r, p):
num = den = 1
for i in range(r):
num = (num * (n - i)) % p
den = (den * (i + 1)) % p
return num * m... | output | 1 | 3,104 | 16 | 6,209 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke is standing on a two-dimensional plane. In one operation, he can move by 1 in the positive x-direction, or move by 1 in the positive y-direction.
Let us define a function f(r, c) as follows:
* f(r,c) := (The number of paths from the point (0... | instruction | 0 | 3,105 | 16 | 6,210 |
"Correct Solution:
```
a1,b1,a2,b2=map(int,input().split())
import sys
sys.setrecursionlimit(2000000000)
p = 10 ** 9 + 7
N = a2+b2+2 # N は必要分だけ用意する
R = max(a2+1,b2+1)
fact = [1, 1] # fact[n] = (n! mod p)
factinv = [1, 1] # factinv[n] = ((n!)^(-1) mod p)
inv = [0, 1] # factinv 計算用
for i in range(2, N + 1):
fact... | output | 1 | 3,105 | 16 | 6,211 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke is standing on a two-dimensional plane. In one operation, he can move by 1 in the positive x-direction, or move by 1 in the positive y-direction.
Let us define a function f(r, c) as follows:
* f(r,c) := (The number of paths from the point (0... | instruction | 0 | 3,106 | 16 | 6,212 |
"Correct Solution:
```
mod = 10**9+7
def comb_mod(n,r,mod,invs):
ans = 1
for i in range(r):
ans *= n-i
ans %= mod
ans *= invs[r]
ans %= mod
return ans
A, B, C, D = map(int, input().split())
invs = [1]*(C+2)
for i in range(1,C+2):
invs[i] = invs[i-1]*pow(i,mod-2,mod)
invs[i]... | output | 1 | 3,106 | 16 | 6,213 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke is standing on a two-dimensional plane. In one operation, he can move by 1 in the positive x-direction, or move by 1 in the positive y-direction.
Let us define a function f(r, c) as follows:
* f(r,c) := (The number of paths from the point (0... | instruction | 0 | 3,107 | 16 | 6,214 |
"Correct Solution:
```
r1, c1, r2, c2 = map(int, input().split())
L = 10 ** 9 + 7
# 互除法
def get_euclidian (A, B):
if B == 1:
return (1)
else:
return (int((1 - A * get_euclidian (B, A % B)) / B))
# 階乗計算
F = [1]
for i in range(1, r2 + c2 + 3):
F.append((F[i - 1] * i) % L)
# 組み合わせ計算
def get_combi (n, r):
... | output | 1 | 3,107 | 16 | 6,215 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke is standing on a two-dimensional plane. In one operation, he can move by 1 in the positive x-direction, or move by 1 in the positive y-direction.
Let us define a function f(r, c) as follows:
* f(r,c) := (The number of paths from the point (0... | instruction | 0 | 3,108 | 16 | 6,216 |
"Correct Solution:
```
r1,c1,r2,c2=map(int,input().split())
MOD=10**9+7
idx=r2+c2+3
perm=[1]*(idx+1)
for i in range(1,idx+1):
perm[i]=perm[i-1]*i
perm[i]%=MOD
def inv_mod(a):
return pow(a,MOD-2,MOD)
def comb(n,m,p=10**9+7):
if n < m : return 0
if n < 0 or m < 0:return 0
m = min(m, n-m)
top = ... | output | 1 | 3,108 | 16 | 6,217 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke is standing on a two-dimensional plane. In one operation, he can move by 1 in the positive x-direction, or move by 1 in the positive y-direction.
Let us define a function f(r, c) as follows:
* f(r,c) := (The number of paths from the point (0... | instruction | 0 | 3,109 | 16 | 6,218 |
"Correct Solution:
```
def main():
M=10**9+7
a,b,c,d=map(int,input().split())
n=c+d+2
fac=[0]*(n+1)
fac[0]=lt=1
for i in range(1,n+1):fac[i]=lt=lt*i%M
inv=lambda n:pow(fac[n],M-2,M)
f=lambda r,c:fac[r+c+2]*inv(c+1)*inv(r+1)-c-r-2
print((f(c,d)-f(c,b-1)-f(a-1,d)+f(a-1,b-1))%M)
main()
``` | output | 1 | 3,109 | 16 | 6,219 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke is standing on a two-dimensional plane. In one operation, he can move by 1 in the positive x-direction, or move by 1 in the positive y-direction.
Let us define a function f(r, c) as follo... | instruction | 0 | 3,110 | 16 | 6,220 |
Yes | output | 1 | 3,110 | 16 | 6,221 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke is standing on a two-dimensional plane. In one operation, he can move by 1 in the positive x-direction, or move by 1 in the positive y-direction.
Let us define a function f(r, c) as follo... | instruction | 0 | 3,111 | 16 | 6,222 |
Yes | output | 1 | 3,111 | 16 | 6,223 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke is standing on a two-dimensional plane. In one operation, he can move by 1 in the positive x-direction, or move by 1 in the positive y-direction.
Let us define a function f(r, c) as follo... | instruction | 0 | 3,112 | 16 | 6,224 |
Yes | output | 1 | 3,112 | 16 | 6,225 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke is standing on a two-dimensional plane. In one operation, he can move by 1 in the positive x-direction, or move by 1 in the positive y-direction.
Let us define a function f(r, c) as follo... | instruction | 0 | 3,113 | 16 | 6,226 |
Yes | output | 1 | 3,113 | 16 | 6,227 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke is standing on a two-dimensional plane. In one operation, he can move by 1 in the positive x-direction, or move by 1 in the positive y-direction.
Let us define a function f(r, c) as follo... | instruction | 0 | 3,114 | 16 | 6,228 |
No | output | 1 | 3,114 | 16 | 6,229 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke is standing on a two-dimensional plane. In one operation, he can move by 1 in the positive x-direction, or move by 1 in the positive y-direction.
Let us define a function f(r, c) as follo... | instruction | 0 | 3,115 | 16 | 6,230 |
No | output | 1 | 3,115 | 16 | 6,231 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke is standing on a two-dimensional plane. In one operation, he can move by 1 in the positive x-direction, or move by 1 in the positive y-direction.
Let us define a function f(r, c) as follo... | instruction | 0 | 3,116 | 16 | 6,232 |
No | output | 1 | 3,116 | 16 | 6,233 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke is standing on a two-dimensional plane. In one operation, he can move by 1 in the positive x-direction, or move by 1 in the positive y-direction.
Let us define a function f(r, c) as follo... | instruction | 0 | 3,117 | 16 | 6,234 |
No | output | 1 | 3,117 | 16 | 6,235 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has decided to play with N cards and a deque (that is, a double-ended queue). Each card shows an integer from 1 through N, and the deque is initially empty.
Snuke will insert the cards at the beginning or the end of the deque one at a time, in... | instruction | 0 | 3,205 | 16 | 6,410 |
"Correct Solution:
```
def cmb(n, r, mod):#コンビネーションの高速計算
if ( r<0 or r>n ):
return 0
r = min(r, n-r)
return g1[n] * g2[r] * g2[n-r] % mod
mod = 10**9+7 #出力の制限
N = 5000
g1 = [1, 1] # 元テーブル
g2 = [1, 1] #逆元テーブル
inverse = [0, 1] #逆元テーブル計算用テーブル
for i in range( 2, N + 1 ):
g1.append( ( g1[-1] * i )... | output | 1 | 3,205 | 16 | 6,411 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has decided to play with N cards and a deque (that is, a double-ended queue). Each card shows an integer from 1 through N, and the deque is initially empty.
Snuke will insert the cards at... | instruction | 0 | 3,206 | 16 | 6,412 |
No | output | 1 | 3,206 | 16 | 6,413 |
Provide a correct Python 3 solution for this coding contest problem.
One day, Snuke was given a permutation of length N, a_1, a_2, ..., a_N, from his friend.
Find the following:
<image>
Constraints
* 1 ≦ N ≦ 200,000
* (a_1, a_2, ..., a_N) is a permutation of (1, 2, ..., N).
Input
The input is given from Standard... | instruction | 0 | 3,207 | 16 | 6,414 |
"Correct Solution:
```
class BIT:
"0-indexed apparently"
def __init__(self, n):
self.n = n
self.data = [0] * (n+1)
def point_add(self, index, value):
index += 1
while index <= self.n:
self.data[index] += value
index += index & -index
def folded(self, r):
"[0, r)"
ret = 0
while r > 0:
... | output | 1 | 3,207 | 16 | 6,415 |
Provide a correct Python 3 solution for this coding contest problem.
One day, Snuke was given a permutation of length N, a_1, a_2, ..., a_N, from his friend.
Find the following:
<image>
Constraints
* 1 ≦ N ≦ 200,000
* (a_1, a_2, ..., a_N) is a permutation of (1, 2, ..., N).
Input
The input is given from Standard... | instruction | 0 | 3,208 | 16 | 6,416 |
"Correct Solution:
```
n = int(input())
a = list(map(int, input().split()))
l = []
r = []
s = []
for i, x in enumerate(a):
left = i
while len(s) > 0 and x < s[-1][0]:
left = s[-1][1]
s.pop()
l.append(left)
s.append([x, left])
s = []
for i in range(n-1, -1, -1):
right... | output | 1 | 3,208 | 16 | 6,417 |
Provide a correct Python 3 solution for this coding contest problem.
One day, Snuke was given a permutation of length N, a_1, a_2, ..., a_N, from his friend.
Find the following:
<image>
Constraints
* 1 ≦ N ≦ 200,000
* (a_1, a_2, ..., a_N) is a permutation of (1, 2, ..., N).
Input
The input is given from Standard... | instruction | 0 | 3,209 | 16 | 6,418 |
"Correct Solution:
```
from bisect import*
class BTreeNode:
def __init__(self):self.key,self.child=[],[]
class BTree:
def __init__(self):self.root=BTreeNode()
def search_higher(self,key):
ptr=self.root
ret=None
while ptr.child:
i=bisect(ptr.key,key)
if i!=len(... | output | 1 | 3,209 | 16 | 6,419 |
Provide a correct Python 3 solution for this coding contest problem.
One day, Snuke was given a permutation of length N, a_1, a_2, ..., a_N, from his friend.
Find the following:
<image>
Constraints
* 1 ≦ N ≦ 200,000
* (a_1, a_2, ..., a_N) is a permutation of (1, 2, ..., N).
Input
The input is given from Standard... | instruction | 0 | 3,210 | 16 | 6,420 |
"Correct Solution:
```
N = int(input())
A = [int(x) for x in input().split()]
B = [0] * (N + 1)
for i in range(N):
B[A[i]] = i + 1
L = list(range(N + 2))
R = list(range(N + 2))
cnt = 0
for i in range(N, 0, -1):
l = L[B[i]]
r = R[B[i]]
cnt += i * (B[i] - l + 1) * (r - B[i] + 1)
L[r + 1] = l
R[l - 1] = r
prin... | output | 1 | 3,210 | 16 | 6,421 |
Provide a correct Python 3 solution for this coding contest problem.
One day, Snuke was given a permutation of length N, a_1, a_2, ..., a_N, from his friend.
Find the following:
<image>
Constraints
* 1 ≦ N ≦ 200,000
* (a_1, a_2, ..., a_N) is a permutation of (1, 2, ..., N).
Input
The input is given from Standard... | instruction | 0 | 3,211 | 16 | 6,422 |
"Correct Solution:
```
N = int(input())
A = list(map(int, input().split()))
idx = {A[i]: i for i in range(N)}
ans = 0
idx_l, idx_r = list(range(N + 2)), list(range(N + 2))
for a in range(N, 0, -1):
i = idx[a]
l, r = idx_l[i], idx_r[i]
ans += a * (i - l + 1) * (r - i + 1)
idx_l[r + 1], idx_r[l - 1] = ... | output | 1 | 3,211 | 16 | 6,423 |
Provide a correct Python 3 solution for this coding contest problem.
One day, Snuke was given a permutation of length N, a_1, a_2, ..., a_N, from his friend.
Find the following:
<image>
Constraints
* 1 ≦ N ≦ 200,000
* (a_1, a_2, ..., a_N) is a permutation of (1, 2, ..., N).
Input
The input is given from Standard... | instruction | 0 | 3,212 | 16 | 6,424 |
"Correct Solution:
```
N = int(input())
a = list(map(int, input().split()))
left = [0] * (N + 1)
right = [0] * (N + 1)
# 左から
buf = list()
for i in range(N):
while len(buf) > 0 and a[buf[-1]] > a[i]:
buf.pop()
if len(buf) > 0:
left[i] = buf[-1]
else:
left[i] = -1
buf.append(i)
... | output | 1 | 3,212 | 16 | 6,425 |
Provide a correct Python 3 solution for this coding contest problem.
One day, Snuke was given a permutation of length N, a_1, a_2, ..., a_N, from his friend.
Find the following:
<image>
Constraints
* 1 ≦ N ≦ 200,000
* (a_1, a_2, ..., a_N) is a permutation of (1, 2, ..., N).
Input
The input is given from Standard... | instruction | 0 | 3,213 | 16 | 6,426 |
"Correct Solution:
```
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
"""
・大きい数から挿入していく
・連結成分の両端を管理する
"""
N,*A = map(int,read().split())
A = [0] + A + [0]
ind = [0] * (N+1)
for i,x in enumerate(A):
ind[x] = i
left = list(range(1,len(A)+1))
rig... | output | 1 | 3,213 | 16 | 6,427 |
Provide a correct Python 3 solution for this coding contest problem.
One day, Snuke was given a permutation of length N, a_1, a_2, ..., a_N, from his friend.
Find the following:
<image>
Constraints
* 1 ≦ N ≦ 200,000
* (a_1, a_2, ..., a_N) is a permutation of (1, 2, ..., N).
Input
The input is given from Standard... | instruction | 0 | 3,214 | 16 | 6,428 |
"Correct Solution:
```
import sys
class Node:
def __init__(self, key, height):
self.key = key #ノードの木
self.height = height #このノードを根とする部分木の高さ
self.left = None
self.right = None
def size(self, n): return 0 if n is None else n.height
def bias(self): #左の方が高いと正、右が高いと負の値を返す
... | output | 1 | 3,214 | 16 | 6,429 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day, Snuke was given a permutation of length N, a_1, a_2, ..., a_N, from his friend.
Find the following:
<image>
Constraints
* 1 ≦ N ≦ 200,000
* (a_1, a_2, ..., a_N) is a permutation of ... | instruction | 0 | 3,215 | 16 | 6,430 |
Yes | output | 1 | 3,215 | 16 | 6,431 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day, Snuke was given a permutation of length N, a_1, a_2, ..., a_N, from his friend.
Find the following:
<image>
Constraints
* 1 ≦ N ≦ 200,000
* (a_1, a_2, ..., a_N) is a permutation of ... | instruction | 0 | 3,216 | 16 | 6,432 |
Yes | output | 1 | 3,216 | 16 | 6,433 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day, Snuke was given a permutation of length N, a_1, a_2, ..., a_N, from his friend.
Find the following:
<image>
Constraints
* 1 ≦ N ≦ 200,000
* (a_1, a_2, ..., a_N) is a permutation of ... | instruction | 0 | 3,217 | 16 | 6,434 |
Yes | output | 1 | 3,217 | 16 | 6,435 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day, Snuke was given a permutation of length N, a_1, a_2, ..., a_N, from his friend.
Find the following:
<image>
Constraints
* 1 ≦ N ≦ 200,000
* (a_1, a_2, ..., a_N) is a permutation of ... | instruction | 0 | 3,218 | 16 | 6,436 |
Yes | output | 1 | 3,218 | 16 | 6,437 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day, Snuke was given a permutation of length N, a_1, a_2, ..., a_N, from his friend.
Find the following:
<image>
Constraints
* 1 ≦ N ≦ 200,000
* (a_1, a_2, ..., a_N) is a permutation of ... | instruction | 0 | 3,219 | 16 | 6,438 |
No | output | 1 | 3,219 | 16 | 6,439 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day, Snuke was given a permutation of length N, a_1, a_2, ..., a_N, from his friend.
Find the following:
<image>
Constraints
* 1 ≦ N ≦ 200,000
* (a_1, a_2, ..., a_N) is a permutation of ... | instruction | 0 | 3,220 | 16 | 6,440 |
No | output | 1 | 3,220 | 16 | 6,441 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day, Snuke was given a permutation of length N, a_1, a_2, ..., a_N, from his friend.
Find the following:
<image>
Constraints
* 1 ≦ N ≦ 200,000
* (a_1, a_2, ..., a_N) is a permutation of ... | instruction | 0 | 3,221 | 16 | 6,442 |
No | output | 1 | 3,221 | 16 | 6,443 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day, Snuke was given a permutation of length N, a_1, a_2, ..., a_N, from his friend.
Find the following:
<image>
Constraints
* 1 ≦ N ≦ 200,000
* (a_1, a_2, ..., a_N) is a permutation of ... | instruction | 0 | 3,222 | 16 | 6,444 |
No | output | 1 | 3,222 | 16 | 6,445 |
Provide a correct Python 3 solution for this coding contest problem.
There is a sequence of length N: A_1, A_2, ..., A_N. Initially, this sequence is a permutation of 1, 2, ..., N.
On this sequence, Snuke can perform the following operation:
* Choose K consecutive elements in the sequence. Then, replace the value of... | instruction | 0 | 5,645 | 16 | 11,290 |
"Correct Solution:
```
import math
n,k=map(int,input().split());input();print(math.ceil((n-1)/(k-1)))
``` | output | 1 | 5,645 | 16 | 11,291 |
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