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.
DZY has a sequence a, consisting of n integers.
We'll call a sequence ai, ai + 1, ..., aj (1 β€ i β€ j β€ n) a subsegment of the sequence a. The value (j - i + 1) denotes the length of the subsegment.
Your task is to find the longest subsegme... | instruction | 0 | 106,529 | 12 | 213,058 |
Tags: dp, implementation, two pointers
Correct Solution:
```
length = int(input())
nums = [int(num) for num in input().split()] + [float('inf'), float('-inf')]
ans, small, big = 0, 0, 0
for i in range(length):
if nums[i] > nums[i - 1]:
small += 1
big += 1
else:
ans = max(ans, small + 1... | output | 1 | 106,529 | 12 | 213,059 |
Provide tags and a correct Python 3 solution for this coding contest problem.
DZY has a sequence a, consisting of n integers.
We'll call a sequence ai, ai + 1, ..., aj (1 β€ i β€ j β€ n) a subsegment of the sequence a. The value (j - i + 1) denotes the length of the subsegment.
Your task is to find the longest subsegme... | instruction | 0 | 106,530 | 12 | 213,060 |
Tags: dp, implementation, two pointers
Correct Solution:
```
n = int(input())
A = [int(ele) for ele in input().split(" ")]
if n <= 2:
print(n)
else:
LISend = [1] * n
LISbegin = [1] * n
for i in range(1,n):
if A[i] > A[i-1]:
LISend[i] = LISend[i-1] + 1
for i in range(n-2,-1,-1)... | output | 1 | 106,530 | 12 | 213,061 |
Provide tags and a correct Python 3 solution for this coding contest problem.
DZY has a sequence a, consisting of n integers.
We'll call a sequence ai, ai + 1, ..., aj (1 β€ i β€ j β€ n) a subsegment of the sequence a. The value (j - i + 1) denotes the length of the subsegment.
Your task is to find the longest subsegme... | instruction | 0 | 106,531 | 12 | 213,062 |
Tags: dp, implementation, two pointers
Correct Solution:
```
def main():
n = int(input())
a = [10 ** 10] + list(map(int, input().split())) + [-(10 ** 10)]
if n == 1:
print(1)
exit()
b = [0] * (n + 10)
c = [0] * (n + 10)
#print(a, b, c)
i = 1
while i <= n:
for j in range(i, n+1):
if a[j] >= a[j+1]:
... | output | 1 | 106,531 | 12 | 213,063 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a permutation of integers from 1 to n. Exactly once you apply the following operation to this permutation: pick a random segment and shuffle its elements. Formally:
1. Pick a random segment (continuous subsequence) from l to... | instruction | 0 | 106,674 | 12 | 213,348 |
Tags: data structures, probabilities
Correct Solution:
```
# Python3 program to count inversions using
# Binary Indexed Tree
# Returns sum of arr[0..index]. This function
# assumes that the array is preprocessed and
# partial sums of array elements are stored
# in BITree[].
def getSum( BITree, index):
... | output | 1 | 106,674 | 12 | 213,349 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a permutation of integers from 1 to n. Exactly once you apply the following operation to this permutation: pick a random segment and shuffle its elements. Formally:
1. Pick a random segment (continuous subsequence) from l to... | instruction | 0 | 106,675 | 12 | 213,350 |
Tags: data structures, probabilities
Correct Solution:
```
# Python3 program to count inversions using
# Binary Indexed Tree
# Returns sum of arr[0..index]. This function
# assumes that the array is preprocessed and
# partial sums of array elements are stored
# in BITree[].
def getSum( BITree, index):
... | output | 1 | 106,675 | 12 | 213,351 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a permutation of integers from 1 to n. Exactly once you apply the following operation to this permutation: pick a random segment and shuffle its elements. Formally:
1. Pick a ra... | instruction | 0 | 106,676 | 12 | 213,352 |
No | output | 1 | 106,676 | 12 | 213,353 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence a1, a2, ..., an consisting of different integers. It is required to split this sequence into the maximum number of subsequences such that after sorting integers in each of them in increasing order, the total sequence... | instruction | 0 | 106,688 | 12 | 213,376 |
Tags: dfs and similar, dsu, implementation, math, sortings
Correct Solution:
```
from collections import defaultdict
def DFS(d,visited,x):
stack = [x]
ans = []
while len(stack):
temp = stack.pop()
visited[temp] = 1
ans.append(temp+1)
for i in d[temp]:
if visited[i] == 0:
stack.append(i)
visite... | output | 1 | 106,688 | 12 | 213,377 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence a1, a2, ..., an consisting of different integers. It is required to split this sequence into the maximum number of subsequences such that after sorting integers in each of them in increasing order, the total sequence... | instruction | 0 | 106,689 | 12 | 213,378 |
Tags: dfs and similar, dsu, implementation, math, sortings
Correct Solution:
```
n = int(input())
a = sorted(zip(map(int, input().split()), range(n)))
s = []
for i in range(n):
if a[i]:
s.append([])
while a[i]:
s[-1].append(i + 1)
a[i], i = None, a[i][1]
print(le... | output | 1 | 106,689 | 12 | 213,379 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence a1, a2, ..., an consisting of different integers. It is required to split this sequence into the maximum number of subsequences such that after sorting integers in each of them in increasing order, the total sequence... | instruction | 0 | 106,690 | 12 | 213,380 |
Tags: dfs and similar, dsu, implementation, math, sortings
Correct Solution:
```
# -*- coding: utf-8 -*-
import math
import collections
import bisect
import heapq
import time
import random
import itertools
"""
created by shhuan at 2017/10/20 10:12
"""
N = int(input())
A = [int(x) for x in input().split()]
B = [x f... | output | 1 | 106,690 | 12 | 213,381 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence a1, a2, ..., an consisting of different integers. It is required to split this sequence into the maximum number of subsequences such that after sorting integers in each of them in increasing order, the total sequence... | instruction | 0 | 106,691 | 12 | 213,382 |
Tags: dfs and similar, dsu, implementation, math, sortings
Correct Solution:
```
from sys import stdin
n = int(stdin.readline().strip())
a = list(map(int, stdin.readline().strip().split()))
a = [(a[i], i+1) for i in range(n)]
a.sort()
used = [False]*(n+1)
ss = []
for i in range(1, n+1):
if not used[i]:
s = [i]
u... | output | 1 | 106,691 | 12 | 213,383 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence a1, a2, ..., an consisting of different integers. It is required to split this sequence into the maximum number of subsequences such that after sorting integers in each of them in increasing order, the total sequence... | instruction | 0 | 106,692 | 12 | 213,384 |
Tags: dfs and similar, dsu, implementation, math, sortings
Correct Solution:
```
import sys
n = int(input())
a = list(map(int, input().split()))
a = sorted([(a[i], i) for i in range(n)])
d = []
c = [False]*n
for i in range(n):
if not c[i]:
k = i
p = []
while not c[k]:
c[k] = True... | output | 1 | 106,692 | 12 | 213,385 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence a1, a2, ..., an consisting of different integers. It is required to split this sequence into the maximum number of subsequences such that after sorting integers in each of them in increasing order, the total sequence... | instruction | 0 | 106,693 | 12 | 213,386 |
Tags: dfs and similar, dsu, implementation, math, sortings
Correct Solution:
```
import operator as op
input()
a = list(x[0] for x in sorted(enumerate(map(int, input().split())), key=op.itemgetter(1)))
ans = []
for i in range(len(a)):
if a[i] != -1:
j = a[i]
a[i] = -1
t = [i + 1]
... | output | 1 | 106,693 | 12 | 213,387 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence a1, a2, ..., an consisting of different integers. It is required to split this sequence into the maximum number of subsequences such that after sorting integers in each of them in increasing order, the total sequence... | instruction | 0 | 106,694 | 12 | 213,388 |
Tags: dfs and similar, dsu, implementation, math, sortings
Correct Solution:
```
n = int(input())
a = input().split()
a = [(int(a[i]), i) for i in range(n)]
a.sort()
start = 0
used = set()
b = []
while start < n:
t = []
cur = start
first = True
while cur != start or first:
first = False
... | output | 1 | 106,694 | 12 | 213,389 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence a1, a2, ..., an consisting of different integers. It is required to split this sequence into the maximum number of subsequences such that after sorting integers in each of them in increasing order, the total sequence... | instruction | 0 | 106,695 | 12 | 213,390 |
Tags: dfs and similar, dsu, implementation, math, sortings
Correct Solution:
```
import sys
input = sys.stdin.readline
from collections import defaultdict
class Unionfind:
def __init__(self, n):
self.par = [-1]*n
self.rank = [1]*n
def root(self, x):
p = x
while not... | output | 1 | 106,695 | 12 | 213,391 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sequence a1, a2, ..., an consisting of different integers. It is required to split this sequence into the maximum number of subsequences such that after sorting integers in each ... | instruction | 0 | 106,696 | 12 | 213,392 |
Yes | output | 1 | 106,696 | 12 | 213,393 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sequence a1, a2, ..., an consisting of different integers. It is required to split this sequence into the maximum number of subsequences such that after sorting integers in each ... | instruction | 0 | 106,697 | 12 | 213,394 |
Yes | output | 1 | 106,697 | 12 | 213,395 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sequence a1, a2, ..., an consisting of different integers. It is required to split this sequence into the maximum number of subsequences such that after sorting integers in each ... | instruction | 0 | 106,698 | 12 | 213,396 |
Yes | output | 1 | 106,698 | 12 | 213,397 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sequence a1, a2, ..., an consisting of different integers. It is required to split this sequence into the maximum number of subsequences such that after sorting integers in each ... | instruction | 0 | 106,699 | 12 | 213,398 |
Yes | output | 1 | 106,699 | 12 | 213,399 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sequence a1, a2, ..., an consisting of different integers. It is required to split this sequence into the maximum number of subsequences such that after sorting integers in each ... | instruction | 0 | 106,700 | 12 | 213,400 |
No | output | 1 | 106,700 | 12 | 213,401 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sequence a1, a2, ..., an consisting of different integers. It is required to split this sequence into the maximum number of subsequences such that after sorting integers in each ... | instruction | 0 | 106,701 | 12 | 213,402 |
No | output | 1 | 106,701 | 12 | 213,403 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sequence a1, a2, ..., an consisting of different integers. It is required to split this sequence into the maximum number of subsequences such that after sorting integers in each ... | instruction | 0 | 106,702 | 12 | 213,404 |
No | output | 1 | 106,702 | 12 | 213,405 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sequence a1, a2, ..., an consisting of different integers. It is required to split this sequence into the maximum number of subsequences such that after sorting integers in each ... | instruction | 0 | 106,703 | 12 | 213,406 |
No | output | 1 | 106,703 | 12 | 213,407 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently Ivan noticed an array a while debugging his code. Now Ivan can't remember this array, but the bug he was trying to fix didn't go away, so Ivan thinks that the data from this array might help him to reproduce the bug.
Ivan clearly r... | instruction | 0 | 106,704 | 12 | 213,408 |
Tags: flows
Correct Solution:
```
import sys
readline = sys.stdin.readline
from heapq import heappop as hpp, heappush as hp
class MinCostFlowwithDijkstra:
INF = 1<<60
def __init__(self, N):
self.N = N
self.Edge = [[] for _ in range(N)]
def add_edge(self, st, en, cap, cost):
... | output | 1 | 106,704 | 12 | 213,409 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently Ivan noticed an array a while debugging his code. Now Ivan can't remember this array, but the bug he was trying to fix didn't go away, so Ivan thinks that the data from this array might help him to reproduce the bug.
Ivan clearly r... | instruction | 0 | 106,705 | 12 | 213,410 |
Tags: flows
Correct Solution:
```
import sys
def is_feasible(cnt,L,R):
n = len(R)
inter = [(L[i],R[i]) for i in range(n)]
AUX = []
feasible = True
for x in range(n):
for p in inter:
if p[0] == x:
AUX.append(p[1])
while AUX and min(AUX) < x:
AUX.remove(min(AUX))
for quantity in range(cnt[x]):
... | output | 1 | 106,705 | 12 | 213,411 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently Ivan noticed an array a while debugging his code. Now Ivan can't remember this array, but the bug he was trying to fix didn't go away, so Ivan thinks that the data from this array might help him to reproduce the bug.
Ivan clearly r... | instruction | 0 | 106,706 | 12 | 213,412 |
Tags: flows
Correct Solution:
```
import sys
def is_feasible(cnt,L,R):
n = len(R)
inter = [(L[i],R[i]) for i in range(n)]
right = []
feasible = True
for x in range(n):
for p in inter:
if p[0] == x:
right.append(p[1])
while right and min(right) < x:
right.remove(min(right))
for quantity in ra... | output | 1 | 106,706 | 12 | 213,413 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently Ivan noticed an array a while debugging his code. Now Ivan can't remember this array, but the bug he was trying to fix didn't go away, so Ivan thinks that the data from this array might help him to reproduce the bug.
Ivan clearly r... | instruction | 0 | 106,707 | 12 | 213,414 |
Tags: flows
Correct Solution:
```
from collections import deque
from heapq import heappop, heappush
class Edge(object):
__slots__ = ('x', 'y', 'cap', 'cost', 'inv')
def __repr__(self):
return f'{self.x}-->{self.y} ({self.cap} , {self.cost})'
class MCFP():
def __init__(self):
self.G = []
... | output | 1 | 106,707 | 12 | 213,415 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently Ivan noticed an array a while debugging his code. Now Ivan can't remember this array, but the bug he was trying to fix didn't go away, so Ivan thinks that the data from this array might help him to reproduce the bug.
Ivan clearly r... | instruction | 0 | 106,708 | 12 | 213,416 |
Tags: flows
Correct Solution:
```
import sys
def is_feasible(cnt,L,R):
n = len(R)
inter = [(L[i],R[i]) for i in range(n)]
AUX = []
feasible = True
for x in range(n):
for p in inter:
if p[0] == x:
AUX.append(p[1])
while AUX and min(AUX) < x:
AUX.remove(min(AUX))
for quantity in range(cnt[x]):
... | output | 1 | 106,708 | 12 | 213,417 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently Ivan noticed an array a while debugging his code. Now Ivan can't remember this array, but the bug he was trying to fix didn't go away, so Ivan thinks that the data from this array might help him to reproduce the bug.
Ivan clearly r... | instruction | 0 | 106,709 | 12 | 213,418 |
Tags: flows
Correct Solution:
```
#~ # MAGIC CODEFORCES PYTHON FAST IO
import atexit
import io
import sys
_INPUT_LINES = sys.stdin.read().splitlines()
input = iter(_INPUT_LINES).__next__
_OUTPUT_BUFFER = io.StringIO()
sys.stdout = _OUTPUT_BUFFER
@atexit.register
def write():
sys.__stdout__.write(_OUTPUT_BUFFER.ge... | output | 1 | 106,709 | 12 | 213,419 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently Ivan noticed an array a while debugging his code. Now Ivan can't remember this array, but the bug he was trying to fix didn't go away, so Ivan thinks that the data from this array might help him to reproduce the bug.
Ivan clearly r... | instruction | 0 | 106,710 | 12 | 213,420 |
Tags: flows
Correct Solution:
```
import sys
def is_feasible(cnt,L,R):
n = len(R)
inter = [(L[i],R[i]) for i in range(n)]
AUX = []
feasible = True
for x in range(n):
for p in inter:
if p[0] == x:
AUX.append(p[1])
while AUX and min(AUX) < x:
AUX.remove(min(AUX))
for quantity in range(cnt[x]):
... | output | 1 | 106,710 | 12 | 213,421 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently Ivan noticed an array a while debugging his code. Now Ivan can't remember this array, but the bug he was trying to fix didn't go away, so Ivan thinks that the data from this array might help him to reproduce the bug.
Ivan clearly r... | instruction | 0 | 106,711 | 12 | 213,422 |
Tags: flows
Correct Solution:
```
import sys
from random import seed,shuffle
seed(25)
def is_feasible(cnt,L,R):
n = len(R)
inter = [(L[i],R[i]) for i in range(n)]
AUX = []
feasible = True
for x in range(n):
for p in inter:
if p[0] == x:
AUX.append(p[1])
while AUX and min(AUX) < x:
AUX.remove(min(AU... | output | 1 | 106,711 | 12 | 213,423 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently Ivan noticed an array a while debugging his code. Now Ivan can't remember this array, but the bug he was trying to fix didn't go away, so Ivan thinks that the data from this array might... | instruction | 0 | 106,712 | 12 | 213,424 |
Yes | output | 1 | 106,712 | 12 | 213,425 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently Ivan noticed an array a while debugging his code. Now Ivan can't remember this array, but the bug he was trying to fix didn't go away, so Ivan thinks that the data from this array might... | instruction | 0 | 106,713 | 12 | 213,426 |
No | output | 1 | 106,713 | 12 | 213,427 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently Ivan noticed an array a while debugging his code. Now Ivan can't remember this array, but the bug he was trying to fix didn't go away, so Ivan thinks that the data from this array might... | instruction | 0 | 106,714 | 12 | 213,428 |
No | output | 1 | 106,714 | 12 | 213,429 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently Ivan noticed an array a while debugging his code. Now Ivan can't remember this array, but the bug he was trying to fix didn't go away, so Ivan thinks that the data from this array might... | instruction | 0 | 106,715 | 12 | 213,430 |
No | output | 1 | 106,715 | 12 | 213,431 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently Ivan noticed an array a while debugging his code. Now Ivan can't remember this array, but the bug he was trying to fix didn't go away, so Ivan thinks that the data from this array might... | instruction | 0 | 106,716 | 12 | 213,432 |
No | output | 1 | 106,716 | 12 | 213,433 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day Petya was solving a very interesting problem. But although he used many optimization techniques, his solution still got Time limit exceeded verdict. Petya conducted a thorough analysis o... | instruction | 0 | 106,717 | 12 | 213,434 |
No | output | 1 | 106,717 | 12 | 213,435 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day Petya was solving a very interesting problem. But although he used many optimization techniques, his solution still got Time limit exceeded verdict. Petya conducted a thorough analysis o... | instruction | 0 | 106,718 | 12 | 213,436 |
No | output | 1 | 106,718 | 12 | 213,437 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day Petya was solving a very interesting problem. But although he used many optimization techniques, his solution still got Time limit exceeded verdict. Petya conducted a thorough analysis o... | instruction | 0 | 106,719 | 12 | 213,438 |
No | output | 1 | 106,719 | 12 | 213,439 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day Petya was solving a very interesting problem. But although he used many optimization techniques, his solution still got Time limit exceeded verdict. Petya conducted a thorough analysis o... | instruction | 0 | 106,720 | 12 | 213,440 |
No | output | 1 | 106,720 | 12 | 213,441 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Pikachu had an array with him. He wrote down all the non-empty subsequences of the array on paper. Note that an array of size n has 2n - 1 non-empty subsequences in it.
Pikachu being mischievous as he always is, removed all the subsequence... | instruction | 0 | 106,753 | 12 | 213,506 |
Tags: bitmasks, constructive algorithms, greedy, implementation
Correct Solution:
```
x,d=[int(s) for s in input().split()[:2]]
def getd(y):
if y<=1:
return y
da=1
num=0
while da*2<=y:
da*=2
num+=1
return num
f=1
ans=[]
while x>0:
num=getd(x)
n=2**num-1
for i in ... | output | 1 | 106,753 | 12 | 213,507 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Pikachu had an array with him. He wrote down all the non-empty subsequences of the array on paper. Note that an array of size n has 2n - 1 non-empty subsequences in it.
Pikachu being mischievous as he always is, removed all the subsequence... | instruction | 0 | 106,754 | 12 | 213,508 |
Tags: bitmasks, constructive algorithms, greedy, implementation
Correct Solution:
```
n, d = [int(c) for c in input().split(" ")]
n_copy = n
groupsize_cases = [2**c - 1 for c in range(100)]
groups = []
# print(groupsize_cases[:20])
i = 1
while n >= groupsize_cases[i]:
i += 1
# print(groupsize_cases[i])
i -= 1
w... | output | 1 | 106,754 | 12 | 213,509 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Pikachu had an array with him. He wrote down all the non-empty subsequences of the array on paper. Note that an array of size n has 2n - 1 non-empty subsequences in it.
Pikachu being mischievous as he always is, removed all the subsequence... | instruction | 0 | 106,755 | 12 | 213,510 |
Tags: bitmasks, constructive algorithms, greedy, implementation
Correct Solution:
```
X, D = map(int, input().split())
cn = 1
add0 = 1 if (X&1) else 0
ans = []
for i in range(30,0,-1):
if not (X & (1<<i)): continue
ans += [cn]*i
add0 += 1
cn += D
for i in range(add0):
ans.append(cn)
cn += D
print(len(ans))
print(... | output | 1 | 106,755 | 12 | 213,511 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Pikachu had an array with him. He wrote down all the non-empty subsequences of the array on paper. Note that an array of size n has 2n - 1 non-empty subsequences in it.
Pikachu being mischievous as he always is, removed all the subsequence... | instruction | 0 | 106,756 | 12 | 213,512 |
Tags: bitmasks, constructive algorithms, greedy, implementation
Correct Solution:
```
import os
import sys
from io import BytesIO, IOBase
# region fastio
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
self.buffer = BytesIO()
self.w... | output | 1 | 106,756 | 12 | 213,513 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Pikachu had an array with him. He wrote down all the non-empty subsequences of the array on paper. Note that an array of size n has 2n - 1 non-empty subsequences in it.
Pikachu being mischievous as he always is, removed all the subsequence... | instruction | 0 | 106,757 | 12 | 213,514 |
Tags: bitmasks, constructive algorithms, greedy, implementation
Correct Solution:
```
# -*- coding: UTF-8 -*-
s = [2 ** i - 1 for i in range(31, 0, -1)]
z = [i for i in range(31, 0, -1)]
x, d = map(int, input().split())
st = 1
p = 0
ret = []
while x > 0:
while s[p] > x:
p += 1
for i in range(z[p]):
... | output | 1 | 106,757 | 12 | 213,515 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Pikachu had an array with him. He wrote down all the non-empty subsequences of the array on paper. Note that an array of size n has 2n - 1 non-empty subsequences in it.
Pikachu being mischievous as he always is, removed all the subsequence... | instruction | 0 | 106,758 | 12 | 213,516 |
Tags: bitmasks, constructive algorithms, greedy, implementation
Correct Solution:
```
x, k = list(map(int,input().split()))
tot = 0
now = 1
d = 1
ans = []
def add(am,el):
global ans
ans += [el]*am
def rec(l):
global d
global tot
now = 1
while True:
if tot + (2**now - 1) > x:
... | output | 1 | 106,758 | 12 | 213,517 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Pikachu had an array with him. He wrote down all the non-empty subsequences of the array on paper. Note that an array of size n has 2n - 1 non-empty subsequences in it.
Pikachu being mischievous as he always is, removed all the subsequence... | instruction | 0 | 106,759 | 12 | 213,518 |
Tags: bitmasks, constructive algorithms, greedy, implementation
Correct Solution:
```
#!/usr/bin/env python3
import sys
[X, d] = map(int, sys.stdin.readline().strip().split())
a = []
m = 1 - d
i = 31
while i > 0:
if 2**i - 1 > X:
i -= 1
continue
a.extend([m + d] * i)
m += d
X -= 2**i - 1
print (len(a))
pri... | output | 1 | 106,759 | 12 | 213,519 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Pikachu had an array with him. He wrote down all the non-empty subsequences of the array on paper. Note that an array of size n has 2n - 1 non-empty subsequences in it.
Pikachu being mischievous as he always is, removed all the subsequence... | instruction | 0 | 106,760 | 12 | 213,520 |
Tags: bitmasks, constructive algorithms, greedy, implementation
Correct Solution:
```
x, d = [int(i) for i in input().split()]
cr = 1
ans = []
while x:
i = 0
while ((1 << i) - 1) <= x:
i += 1
for j in range(i - 1):
ans.append(cr)
x -= (1 << (i - 1)) - 1
cr += d
print(len(ans))
print... | output | 1 | 106,760 | 12 | 213,521 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Pikachu had an array with him. He wrote down all the non-empty subsequences of the array on paper. Note that an array of size n has 2n - 1 non-empty subsequences in it.
Pikachu being mischievo... | instruction | 0 | 106,761 | 12 | 213,522 |
Yes | output | 1 | 106,761 | 12 | 213,523 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Pikachu had an array with him. He wrote down all the non-empty subsequences of the array on paper. Note that an array of size n has 2n - 1 non-empty subsequences in it.
Pikachu being mischievo... | instruction | 0 | 106,762 | 12 | 213,524 |
Yes | output | 1 | 106,762 | 12 | 213,525 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Pikachu had an array with him. He wrote down all the non-empty subsequences of the array on paper. Note that an array of size n has 2n - 1 non-empty subsequences in it.
Pikachu being mischievo... | instruction | 0 | 106,763 | 12 | 213,526 |
Yes | output | 1 | 106,763 | 12 | 213,527 |
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