message stringlengths 2 433k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 113 108k | cluster float64 12 12 | __index_level_0__ int64 226 217k |
|---|---|---|---|---|---|
Provide tags and a correct Python 3 solution for this coding contest problem.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'll call number n the size or the length of permu... | instruction | 0 | 54,255 | 12 | 108,510 |
Tags: greedy, implementation, sortings
Correct Solution:
```
# SOLVED
# solving: https://vjudge.net/contest/421568#problem/E
# from:
def main2():
n = int(input())
p_list = list(map(int, input().split(" ")))
running_total = 0
p_list.sort()
for i in range(0, n):
running_total += abs(i+1 ... | output | 1 | 54,255 | 12 | 108,511 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'l... | instruction | 0 | 54,256 | 12 | 108,512 |
Yes | output | 1 | 54,256 | 12 | 108,513 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'l... | instruction | 0 | 54,257 | 12 | 108,514 |
Yes | output | 1 | 54,257 | 12 | 108,515 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'l... | instruction | 0 | 54,258 | 12 | 108,516 |
Yes | output | 1 | 54,258 | 12 | 108,517 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'l... | instruction | 0 | 54,259 | 12 | 108,518 |
Yes | output | 1 | 54,259 | 12 | 108,519 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'l... | instruction | 0 | 54,260 | 12 | 108,520 |
No | output | 1 | 54,260 | 12 | 108,521 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'l... | instruction | 0 | 54,261 | 12 | 108,522 |
No | output | 1 | 54,261 | 12 | 108,523 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'l... | instruction | 0 | 54,262 | 12 | 108,524 |
No | output | 1 | 54,262 | 12 | 108,525 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'l... | instruction | 0 | 54,263 | 12 | 108,526 |
No | output | 1 | 54,263 | 12 | 108,527 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence A, where its elements are either in the form + x or -, where x is an integer.
For such a sequence S where its elements are either in the form + x or -, define f(S) as follows:
* iterate through S's elements from ... | instruction | 0 | 55,029 | 12 | 110,058 |
Tags: combinatorics, dp, implementation, math, ternary search
Correct Solution:
```
#!/usr/bin/env python3
# from typing import *
import sys
import io
import math
import collections
import decimal
import itertools
import bisect
import heapq
def input():
return sys.stdin.readline()[:-1]
# sys.setrecursionlimit(... | output | 1 | 55,029 | 12 | 110,059 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence A, where its elements are either in the form + x or -, where x is an integer.
For such a sequence S where its elements are either in the form + x or -, define f(S) as follows:
* iterate through S's elements from ... | instruction | 0 | 55,030 | 12 | 110,060 |
Tags: combinatorics, dp, implementation, math, ternary search
Correct Solution:
```
mod=998244353
n=(int)(input())
a=[0 for i in range(n+1)]
for i in range(1,n+1):
m=input().split()
if m[0]=="+":
a[i]=(int)(m[1])
ans=0
for t in range(1,n+1):
if a[t]==0:
continue
f=[[0 for i in range(n+2)] for j in range(n+2)]... | output | 1 | 55,030 | 12 | 110,061 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence A, where its elements are either in the form + x or -, where x is an integer.
For such a sequence S where its elements are either in the form + x or -, define f(S) as follows:
* iterate through S's elements from ... | instruction | 0 | 55,031 | 12 | 110,062 |
Tags: combinatorics, dp, implementation, math, ternary search
Correct Solution:
```
def naiveSolve(inn):
n=len(inn)
ans=0
for mask in range(1<<n):
ls=[]
for i in range(n):
if mask&(1<<i):
if len(inn[i])==1: # -
if ls:
... | output | 1 | 55,031 | 12 | 110,063 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence A, where its elements are either in the form + x or -, where x is an integer.
For such a sequence S where its elements are either in the form + x or -, define f(S) as follows:
* iterate through S's elements from ... | instruction | 0 | 55,032 | 12 | 110,064 |
Tags: combinatorics, dp, implementation, math, ternary search
Correct Solution:
```
def divisors(M):
d=[]
i=1
while M>=i**2:
if M%i==0:
d.append(i)
if i**2!=M:
d.append(M//i)
i=i+1
return d
def popcount(x):
x = x - ((x >> 1) & 0x55555555)
... | output | 1 | 55,032 | 12 | 110,065 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence A, where its elements are either in the form + x or -, where x is an integer.
For such a sequence S where its elements are either in the form + x or -, define f(S) as follows:
* iterate through S's elements from ... | instruction | 0 | 55,033 | 12 | 110,066 |
Tags: combinatorics, dp, implementation, math, ternary search
Correct Solution:
```
n = int(input())
A = []
for i in range(n):
s = input()
if s[0] == '+':
A.append((1, int(s[2:])))
else:
A.append((0, 0))
answer = 0
m = 998244353
for k, elem in enumerate(A):
if elem[0] == 0:
conti... | output | 1 | 55,033 | 12 | 110,067 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence A, where its elements are either in the form + x or -, where x is an integer.
For such a sequence S where its elements are either in the form + x or -, define f(S) as follows:
* iterate through S's elements from ... | instruction | 0 | 55,034 | 12 | 110,068 |
Tags: combinatorics, dp, implementation, math, ternary search
Correct Solution:
```
import sys
input = sys.stdin.readline
mod = 998244353
n = int(input())
A = []
for _ in range(n):
s = input().split()
if s[0] == '-': A.append(0)
else: A.append(int(s[1]))
ans = 0
for i in range(n):
if not A[i]: continue... | output | 1 | 55,034 | 12 | 110,069 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence A, where its elements are either in the form + x or -, where x is an integer.
For such a sequence S where its elements are either in the form + x or -, define f(S) as follows:
* iterate through S's elements from ... | instruction | 0 | 55,035 | 12 | 110,070 |
Tags: combinatorics, dp, implementation, math, ternary search
Correct Solution:
```
def main():
mod=998244353
n=int(input())
a=[]
for i in range(n):
t=input()
if t[0]=='-':
a.append(-1)
else:
a.append(int(t.split()[-1]))
ans=0
for i in range(n... | output | 1 | 55,035 | 12 | 110,071 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence A, where its elements are either in the form + x or -, where x is an integer.
For such a sequence S where its elements are either in the form + x or -, define f(S) as follows:
* iterate through S's elements from ... | instruction | 0 | 55,036 | 12 | 110,072 |
Tags: combinatorics, dp, implementation, math, ternary search
Correct Solution:
```
mod = 998244353
eps = 10**-9
def main():
import sys
input = sys.stdin.readline
N = int(input())
Q = []
for i in range(N):
S = input().rstrip('\n')
if S[0] == "+":
_, t = S.split()
... | output | 1 | 55,036 | 12 | 110,073 |
Provide tags and a correct Python 3 solution for this coding contest problem.
This problem is the most boring one you've ever seen.
Given a sequence of integers a1, a2, ..., an and a non-negative integer h, our goal is to partition the sequence into two subsequences (not necessarily consist of continuous elements). ... | instruction | 0 | 55,093 | 12 | 110,186 |
Tags: constructive algorithms
Correct Solution:
```
n,m=map(int,input().split());a=list(map(int,input().split()));p=0;t=[0]*3
for i in range(n):
if(a[i]<a[p]):p=i
if(n==2):print('0\n1 1\n')
else:
a.sort();t[0]=min(a[0]+a[1]+m,a[1]+a[2]);t[1]=max(a[0]+a[n-1]+m,a[n-2]+a[n-1]);t[2]=(a[n-2]+a[n-1])-(a[0]+a[1])
... | output | 1 | 55,093 | 12 | 110,187 |
Provide tags and a correct Python 3 solution for this coding contest problem.
This problem is the most boring one you've ever seen.
Given a sequence of integers a1, a2, ..., an and a non-negative integer h, our goal is to partition the sequence into two subsequences (not necessarily consist of continuous elements). ... | instruction | 0 | 55,094 | 12 | 110,188 |
Tags: constructive algorithms
Correct Solution:
```
#https://codeforces.com/problemset/problem/238/B
n, h = map(int, input().split())
a = list(map(int, input().split()))
b = [[x, i] for i, x in enumerate(a)]
b = sorted(b, key=lambda x:x[0])
def solve(a, n, h):
if n == 2:
return 0, [1, 1]
... | output | 1 | 55,094 | 12 | 110,189 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
This problem is the most boring one you've ever seen.
Given a sequence of integers a1, a2, ..., an and a non-negative integer h, our goal is to partition the sequence into two subsequences (no... | instruction | 0 | 55,095 | 12 | 110,190 |
No | output | 1 | 55,095 | 12 | 110,191 |
Provide a correct Python 3 solution for this coding contest problem.
For a given sequence $A = \\{a_0, a_1, ... a_{n-1}\\}$, the number of pairs $(i, j)$ where $a_i > a_j$ and $i < j$, is called the number of inversions. The number of inversions is equal to the number of swaps of Bubble Sort defined in the following p... | instruction | 0 | 55,571 | 12 | 111,142 |
"Correct Solution:
```
def merge(a, left, mid, right):
global cnt
l = a[left:mid] + [sentinel]
r = a[mid:right] + [sentinel]
i = j = 0
for k in range(left, right):
if l[i] <= r[j]:
a[k] = l[i]
i += 1
else:
a[k] = r[j]
j += 1
... | output | 1 | 55,571 | 12 | 111,143 |
Provide a correct Python 3 solution for this coding contest problem.
For a given sequence $A = \\{a_0, a_1, ... a_{n-1}\\}$, the number of pairs $(i, j)$ where $a_i > a_j$ and $i < j$, is called the number of inversions. The number of inversions is equal to the number of swaps of Bubble Sort defined in the following p... | instruction | 0 | 55,572 | 12 | 111,144 |
"Correct Solution:
```
class BinaryIndexedTree(object):
__slots__ = ["tree", "size"]
def __init__(self, size: int):
self.tree = [0]*(size+1)
self.size = size+1
def add(self, index: int, value: int):
tree = self.tree
while index < len(tree):
tree[index] += value... | output | 1 | 55,572 | 12 | 111,145 |
Provide a correct Python 3 solution for this coding contest problem.
For a given sequence $A = \\{a_0, a_1, ... a_{n-1}\\}$, the number of pairs $(i, j)$ where $a_i > a_j$ and $i < j$, is called the number of inversions. The number of inversions is equal to the number of swaps of Bubble Sort defined in the following p... | instruction | 0 | 55,573 | 12 | 111,146 |
"Correct Solution:
```
# 16D8101012J ItoJun dj Python3
count=0
def merge(A, left, mid, right):
global count
h=[]
L=A[left:mid]+[2**32]
R=A[mid:right]+[2**32]
i=0
j=0
for k in range(left,right):
if L[i] <= R[j]:
A[k] = L[i]
h.append(L[i])
i += 1
... | output | 1 | 55,573 | 12 | 111,147 |
Provide a correct Python 3 solution for this coding contest problem.
For a given sequence $A = \\{a_0, a_1, ... a_{n-1}\\}$, the number of pairs $(i, j)$ where $a_i > a_j$ and $i < j$, is called the number of inversions. The number of inversions is equal to the number of swaps of Bubble Sort defined in the following p... | instruction | 0 | 55,574 | 12 | 111,148 |
"Correct Solution:
```
def merge(A, l, m, r):
cnt = 0
n1 = m-l
n2 = r-m
L = A[l:m]
L.append(float("inf"))
R = A[m:r]
R.append(float("inf"))
i_l, i_r = 0, 0
for k in range(l, r):
if L[i_l] <= R[i_r]:
A[k] = L[i_l]
i_l += 1
else:
... | output | 1 | 55,574 | 12 | 111,149 |
Provide a correct Python 3 solution for this coding contest problem.
For a given sequence $A = \\{a_0, a_1, ... a_{n-1}\\}$, the number of pairs $(i, j)$ where $a_i > a_j$ and $i < j$, is called the number of inversions. The number of inversions is equal to the number of swaps of Bubble Sort defined in the following p... | instruction | 0 | 55,575 | 12 | 111,150 |
"Correct Solution:
```
INF = int(1e9)
def merge(A, left, mid, right):
n1 = mid - left
n2 = right - mid
n = len(A)
L = A[left:mid] + [INF]
R = A[mid:right] + [INF]
i = 0
j = 0
cnt = 0
for k in range(left, right):
if L[i] <= R[j]:
A[k] = L[i]
i = i + 1
... | output | 1 | 55,575 | 12 | 111,151 |
Provide a correct Python 3 solution for this coding contest problem.
For a given sequence $A = \\{a_0, a_1, ... a_{n-1}\\}$, the number of pairs $(i, j)$ where $a_i > a_j$ and $i < j$, is called the number of inversions. The number of inversions is equal to the number of swaps of Bubble Sort defined in the following p... | instruction | 0 | 55,576 | 12 | 111,152 |
"Correct Solution:
```
INF = float("inf")
cnt = 0
def merge(A, left, mid, right):
global cnt
L = A[left: mid] + [INF]
R = A[mid: right] + [INF]
i = j = 0
limit = mid - left
for k in range(left, right):
if L[i] <= R[j]:
A[k] = L[i]
i += 1
else:
... | output | 1 | 55,576 | 12 | 111,153 |
Provide a correct Python 3 solution for this coding contest problem.
For a given sequence $A = \\{a_0, a_1, ... a_{n-1}\\}$, the number of pairs $(i, j)$ where $a_i > a_j$ and $i < j$, is called the number of inversions. The number of inversions is equal to the number of swaps of Bubble Sort defined in the following p... | instruction | 0 | 55,577 | 12 | 111,154 |
"Correct Solution:
```
def merge(A, left, mid, right):
global cnt
n1 = mid - left
n2 = right - mid
L = A[left:mid] + [INF]
R = A[mid:right] + [INF]
i = 0
j = 0
for k in range(left,right):
if L[i] <= R[j]:
A[k] = L[i]
i = i + 1
else:
A[k... | output | 1 | 55,577 | 12 | 111,155 |
Provide a correct Python 3 solution for this coding contest problem.
For a given sequence $A = \\{a_0, a_1, ... a_{n-1}\\}$, the number of pairs $(i, j)$ where $a_i > a_j$ and $i < j$, is called the number of inversions. The number of inversions is equal to the number of swaps of Bubble Sort defined in the following p... | instruction | 0 | 55,578 | 12 | 111,156 |
"Correct Solution:
```
import sys
MAX = 2*10**5
SENTINEL = 2*10**9
L = [0]*(MAX//2 + 2)
R = [0]*(MAX//2 + 2)
def Merge(A,n,left,mid,right):
cnt = 0
n1 = mid - left
n2 = right - mid
for i in range(n1):
L[i] = A[left + i]
for i in range(n2):
R[i] = A[mid + i]
L[n1] = SENTINEL... | output | 1 | 55,578 | 12 | 111,157 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
For a given sequence $A = \\{a_0, a_1, ... a_{n-1}\\}$, the number of pairs $(i, j)$ where $a_i > a_j$ and $i < j$, is called the number of inversions. The number of inversions is equal to the n... | instruction | 0 | 55,579 | 12 | 111,158 |
Yes | output | 1 | 55,579 | 12 | 111,159 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
For a given sequence $A = \\{a_0, a_1, ... a_{n-1}\\}$, the number of pairs $(i, j)$ where $a_i > a_j$ and $i < j$, is called the number of inversions. The number of inversions is equal to the n... | instruction | 0 | 55,580 | 12 | 111,160 |
Yes | output | 1 | 55,580 | 12 | 111,161 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
For a given sequence $A = \\{a_0, a_1, ... a_{n-1}\\}$, the number of pairs $(i, j)$ where $a_i > a_j$ and $i < j$, is called the number of inversions. The number of inversions is equal to the n... | instruction | 0 | 55,581 | 12 | 111,162 |
Yes | output | 1 | 55,581 | 12 | 111,163 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
For a given sequence $A = \\{a_0, a_1, ... a_{n-1}\\}$, the number of pairs $(i, j)$ where $a_i > a_j$ and $i < j$, is called the number of inversions. The number of inversions is equal to the n... | instruction | 0 | 55,582 | 12 | 111,164 |
Yes | output | 1 | 55,582 | 12 | 111,165 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
For a given sequence $A = \\{a_0, a_1, ... a_{n-1}\\}$, the number of pairs $(i, j)$ where $a_i > a_j$ and $i < j$, is called the number of inversions. The number of inversions is equal to the n... | instruction | 0 | 55,583 | 12 | 111,166 |
No | output | 1 | 55,583 | 12 | 111,167 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
For a given sequence $A = \\{a_0, a_1, ... a_{n-1}\\}$, the number of pairs $(i, j)$ where $a_i > a_j$ and $i < j$, is called the number of inversions. The number of inversions is equal to the n... | instruction | 0 | 55,584 | 12 | 111,168 |
No | output | 1 | 55,584 | 12 | 111,169 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
For a given sequence $A = \\{a_0, a_1, ... a_{n-1}\\}$, the number of pairs $(i, j)$ where $a_i > a_j$ and $i < j$, is called the number of inversions. The number of inversions is equal to the n... | instruction | 0 | 55,585 | 12 | 111,170 |
No | output | 1 | 55,585 | 12 | 111,171 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
For a given sequence $A = \\{a_0, a_1, ... a_{n-1}\\}$, the number of pairs $(i, j)$ where $a_i > a_j$ and $i < j$, is called the number of inversions. The number of inversions is equal to the n... | instruction | 0 | 55,586 | 12 | 111,172 |
No | output | 1 | 55,586 | 12 | 111,173 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Given two integers n and x, construct an array that satisfies the following conditions:
* for any element a_i in the array, 1 ≤ a_i<2^n;
* there is no non-empty subsegment with [bitwise XOR](https://en.wikipedia.org/wiki/Bitwise_opera... | instruction | 0 | 55,666 | 12 | 111,332 |
Tags: bitmasks, constructive algorithms
Correct Solution:
```
# ---------------------------iye ha aam zindegi---------------------------------------------
import math
import random
import heapq, bisect
import sys
from collections import deque, defaultdict
from fractions import Fraction
import sys
import threading
from ... | output | 1 | 55,666 | 12 | 111,333 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Given two integers n and x, construct an array that satisfies the following conditions:
* for any element a_i in the array, 1 ≤ a_i<2^n;
* there is no non-empty subsegment with [bitwise XOR](https://en.wikipedia.org/wiki/Bitwise_opera... | instruction | 0 | 55,667 | 12 | 111,334 |
Tags: bitmasks, constructive algorithms
Correct Solution:
```
# Legends Always Come Up with Solution
# Author: Manvir Singh
import os
import sys
from io import BytesIO, IOBase
def main():
n,x=map(int,input().split())
ans=[0]
for i in range(1,pow(2,n)):
if i^x>i:
ans.append(i)
print... | output | 1 | 55,667 | 12 | 111,335 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Given two integers n and x, construct an array that satisfies the following conditions:
* for any element a_i in the array, 1 ≤ a_i<2^n;
* there is no non-empty subsegment with [bitwise XOR](https://en.wikipedia.org/wiki/Bitwise_opera... | instruction | 0 | 55,668 | 12 | 111,336 |
Tags: bitmasks, constructive algorithms
Correct Solution:
```
'''
Auther: ghoshashis545 Ashis Ghosh
College: Jalpaiguri Govt Enggineering College
'''
from os import path
from io import BytesIO, IOBase
import sys
from heapq import heappush,heappop
from functools import cmp_to_key as ctk
from collections import ... | output | 1 | 55,668 | 12 | 111,337 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Given two integers n and x, construct an array that satisfies the following conditions:
* for any element a_i in the array, 1 ≤ a_i<2^n;
* there is no non-empty subsegment with [bitwise XOR](https://en.wikipedia.org/wiki/Bitwise_opera... | instruction | 0 | 55,669 | 12 | 111,338 |
Tags: bitmasks, constructive algorithms
Correct Solution:
```
def gns():
return [int(x) for x in input().split()]
n,x=gns()
# if len(str(x))>n:
# n+=1
if n==1:
if x==1:
print(0)
quit()
print(1)
print(1)
quit()
b=len(bin(x))-2
if x!=1:
ans=[1]
else:
ans=[2]
cur=1
for i in... | output | 1 | 55,669 | 12 | 111,339 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Given two integers n and x, construct an array that satisfies the following conditions:
* for any element a_i in the array, 1 ≤ a_i<2^n;
* there is no non-empty subsegment with [bitwise XOR](https://en.wikipedia.org/wiki/Bitwise_opera... | instruction | 0 | 55,670 | 12 | 111,340 |
Tags: bitmasks, constructive algorithms
Correct Solution:
```
n,x=map(int,input().split())
a=[True for i in range(pow(2,n))]
check=[]
if x < pow(2,n):
a[x]=False
for i in range(1,pow(2,n)):
if a[i]==True:
check.append(i)
if x^i < pow(2,n):
a[x^i]=False
print(len(check))
#print (check... | output | 1 | 55,670 | 12 | 111,341 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Given two integers n and x, construct an array that satisfies the following conditions:
* for any element a_i in the array, 1 ≤ a_i<2^n;
* there is no non-empty subsegment with [bitwise XOR](https://en.wikipedia.org/wiki/Bitwise_opera... | instruction | 0 | 55,671 | 12 | 111,342 |
Tags: bitmasks, constructive algorithms
Correct Solution:
```
n , x = map(int,input().split())
mark = [0 for x in range(1 << 18 +1)]
mark[x] = 1
cur = 0
MAXN = 1 << n
ans = []
for i in range(1 , MAXN):
if i != x:
res = i ^ x
if mark[i] == 0:
ans.append(i^cur)
mark[res] = 1
... | output | 1 | 55,671 | 12 | 111,343 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Given two integers n and x, construct an array that satisfies the following conditions:
* for any element a_i in the array, 1 ≤ a_i<2^n;
* there is no non-empty subsegment with [bitwise XOR](https://en.wikipedia.org/wiki/Bitwise_opera... | instruction | 0 | 55,672 | 12 | 111,344 |
Tags: bitmasks, constructive algorithms
Correct Solution:
```
n, x = map(int, input().split())
t = 2 ** n
ans = [0]
if x >= t:
ans = [*range(t)]
else:
c = set([0])
for i in range(1, t):
if i ^ x in c:
continue
ans.append(i)
c.add(i)
print(len(ans) - 1)
print(*[ans[i] ^ ans[i - 1] for i in range(1, len(an... | output | 1 | 55,672 | 12 | 111,345 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Given two integers n and x, construct an array that satisfies the following conditions:
* for any element a_i in the array, 1 ≤ a_i<2^n;
* there is no non-empty subsegment with [bitwise XOR](https://en.wikipedia.org/wiki/Bitwise_opera... | instruction | 0 | 55,673 | 12 | 111,346 |
Tags: bitmasks, constructive algorithms
Correct Solution:
```
n, x = map(int, input().split())
res = []
s = {x}
prev = 0
for i in range(1, 1 << n):
curr = prev ^ i
if curr in s: continue
res.append(curr)
prev = i
s.add(x ^ i)
print(len(res))
print(*res)
``` | output | 1 | 55,673 | 12 | 111,347 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given two integers n and x, construct an array that satisfies the following conditions:
* for any element a_i in the array, 1 ≤ a_i<2^n;
* there is no non-empty subsegment with [bitwise X... | instruction | 0 | 55,675 | 12 | 111,350 |
Yes | output | 1 | 55,675 | 12 | 111,351 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given two integers n and x, construct an array that satisfies the following conditions:
* for any element a_i in the array, 1 ≤ a_i<2^n;
* there is no non-empty subsegment with [bitwise X... | instruction | 0 | 55,678 | 12 | 111,356 |
No | output | 1 | 55,678 | 12 | 111,357 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given two integers n and x, construct an array that satisfies the following conditions:
* for any element a_i in the array, 1 ≤ a_i<2^n;
* there is no non-empty subsegment with [bitwise X... | instruction | 0 | 55,679 | 12 | 111,358 |
No | output | 1 | 55,679 | 12 | 111,359 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We start with a permutation a_1, a_2, …, a_n and with an empty array b. We apply the following operation k times.
On the i-th iteration, we select an index t_i (1 ≤ t_i ≤ n-i+1), remove a_{t_i} from the array, and append one of the numbers ... | instruction | 0 | 55,780 | 12 | 111,560 |
Tags: combinatorics, data structures, dsu, greedy, implementation
Correct Solution:
```
"""
#If FastIO not needed, used this and don't forget to strip
#import sys, math
#input = sys.stdin.readline
"""
import os
import sys
from io import BytesIO, IOBase
import heapq as h
from bisect import bisect_left, bisect_right
f... | output | 1 | 55,780 | 12 | 111,561 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We start with a permutation a_1, a_2, …, a_n and with an empty array b. We apply the following operation k times.
On the i-th iteration, we select an index t_i (1 ≤ t_i ≤ n-i+1), remove a_{t_i} from the array, and append one of the numbers ... | instruction | 0 | 55,781 | 12 | 111,562 |
Tags: combinatorics, data structures, dsu, greedy, implementation
Correct Solution:
```
MOD = 998244353
for _ in range(int(input())):
n,k=map(int,input().split());a=[int(x) for x in input().split()];b=[int(x) for x in input().split()];pos=[0]*(n+1);ind=[-1]*(n+1);ans=1
for i in range(len(b)):pos[b[i]]=1 ... | output | 1 | 55,781 | 12 | 111,563 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We start with a permutation a_1, a_2, …, a_n and with an empty array b. We apply the following operation k times.
On the i-th iteration, we select an index t_i (1 ≤ t_i ≤ n-i+1), remove a_{t_i} from the array, and append one of the numbers ... | instruction | 0 | 55,782 | 12 | 111,564 |
Tags: combinatorics, data structures, dsu, greedy, implementation
Correct Solution:
```
# ------------------- fast io --------------------
import os
import sys
from io import BytesIO, IOBase
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
... | output | 1 | 55,782 | 12 | 111,565 |
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