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.
Devu being a small kid, likes to play a lot, but he only likes to play with arrays. While playing he came up with an interesting question which he could not solve, can you please solve it for him?
Given an array consisting of distinct integ... | instruction | 0 | 1,232 | 12 | 2,464 |
Tags: brute force, constructive algorithms, implementation, number theory
Correct Solution:
```
"""
Devu being a small kid, likes to play a lot, but he only likes to play with arrays. While playing he came up with an interesting question which he could not solve, can you please solve it for him?
Given an array consist... | output | 1 | 1,232 | 12 | 2,465 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Devu being a small kid, likes to play a lot, but he only likes to play with arrays. While playing he came up with an interesting question which he could not solve, can you please solve it for him?
Given an array consisting of distinct integ... | instruction | 0 | 1,233 | 12 | 2,466 |
Tags: brute force, constructive algorithms, implementation, number theory
Correct Solution:
```
import os,io
from sys import stdout
import collections
# import random
# import math
# from operator import itemgetter
input = io.BytesIO(os.read(0,os.fstat(0).st_size)).readline
# from collections import Counter
# from deci... | output | 1 | 1,233 | 12 | 2,467 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Devu being a small kid, likes to play a lot, but he only likes to play with arrays. While playing he came up with an interesting question which he could not solve, can you please solve it for him?
Given an array consisting of distinct integ... | instruction | 0 | 1,234 | 12 | 2,468 |
Tags: brute force, constructive algorithms, implementation, number theory
Correct Solution:
```
import sys
inputStr = input()
inputArr = inputStr.split(' ')
n = int(inputArr[0])
k = int(inputArr[1])
p = int(inputArr[2])
arr = list(map(int, input().split(' ')))
odds = []
evens = []
for i in range(len(arr)):
if(... | output | 1 | 1,234 | 12 | 2,469 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Devu being a small kid, likes to play a lot, but he only likes to play with arrays. While playing he came up with an interesting question which he could not solve, can you please solve it for him?
Given an array consisting of distinct integ... | instruction | 0 | 1,235 | 12 | 2,470 |
Tags: brute force, constructive algorithms, implementation, number theory
Correct Solution:
```
n,k,p = map(int,input().split())
ar = list(map(int,input().split()));
q = k-p
zeros,ones = [],[]
res = []
for a in ar:
if a%2:
ones += [a]
else:
zeros += [a]
while p:
if len(zeros):
res += [[zeros.pop()]]
elif l... | output | 1 | 1,235 | 12 | 2,471 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Devu being a small kid, likes to play a lot, but he only likes to play with arrays. While playing he came up with an interesting question which he could not solve, can you please solve it for hi... | instruction | 0 | 1,236 | 12 | 2,472 |
Yes | output | 1 | 1,236 | 12 | 2,473 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Devu being a small kid, likes to play a lot, but he only likes to play with arrays. While playing he came up with an interesting question which he could not solve, can you please solve it for hi... | instruction | 0 | 1,237 | 12 | 2,474 |
Yes | output | 1 | 1,237 | 12 | 2,475 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Devu being a small kid, likes to play a lot, but he only likes to play with arrays. While playing he came up with an interesting question which he could not solve, can you please solve it for hi... | instruction | 0 | 1,238 | 12 | 2,476 |
Yes | output | 1 | 1,238 | 12 | 2,477 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Devu being a small kid, likes to play a lot, but he only likes to play with arrays. While playing he came up with an interesting question which he could not solve, can you please solve it for hi... | instruction | 0 | 1,239 | 12 | 2,478 |
Yes | output | 1 | 1,239 | 12 | 2,479 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Devu being a small kid, likes to play a lot, but he only likes to play with arrays. While playing he came up with an interesting question which he could not solve, can you please solve it for hi... | instruction | 0 | 1,240 | 12 | 2,480 |
No | output | 1 | 1,240 | 12 | 2,481 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Devu being a small kid, likes to play a lot, but he only likes to play with arrays. While playing he came up with an interesting question which he could not solve, can you please solve it for hi... | instruction | 0 | 1,241 | 12 | 2,482 |
No | output | 1 | 1,241 | 12 | 2,483 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Devu being a small kid, likes to play a lot, but he only likes to play with arrays. While playing he came up with an interesting question which he could not solve, can you please solve it for hi... | instruction | 0 | 1,242 | 12 | 2,484 |
No | output | 1 | 1,242 | 12 | 2,485 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Devu being a small kid, likes to play a lot, but he only likes to play with arrays. While playing he came up with an interesting question which he could not solve, can you please solve it for hi... | instruction | 0 | 1,243 | 12 | 2,486 |
No | output | 1 | 1,243 | 12 | 2,487 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently Maxim has found an array of n integers, needed by no one. He immediately come up with idea of changing it: he invented positive integer x and decided to add or subtract it from arbitrary array elements. Formally, by applying single ... | instruction | 0 | 1,333 | 12 | 2,666 |
Tags: constructive algorithms, data structures, greedy, math
Correct Solution:
```
def main():
from heapq import heapify, heappop, heappushpop,heappush
n, k, x = map(int, input().split())
l, sign, h = list(map(int, input().split())), [False] * n, []
helper = lambda: print(' '.join(str(-a if s else a) fo... | output | 1 | 1,333 | 12 | 2,667 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently Maxim has found an array of n integers, needed by no one. He immediately come up with idea of changing it: he invented positive integer x and decided to add or subtract it from arbitrary array elements. Formally, by applying single ... | instruction | 0 | 1,334 | 12 | 2,668 |
Tags: constructive algorithms, data structures, greedy, math
Correct Solution:
```
import heapq
inp = list(map(int, input().split()))
n = inp[0]
k = inp[1]
x = inp[2]
a = [int(i) for i in input().strip().split(' ')]
isPositive = True
nodes = [[abs(val), val, index] for index, val in enumerate(a)]
for el in a:
i... | output | 1 | 1,334 | 12 | 2,669 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently Maxim has found an array of n integers, needed by no one. He immediately come up with idea of changing it: he invented positive integer x and decided to add or subtract it from arbitrary array elements. Formally, by applying single ... | instruction | 0 | 1,335 | 12 | 2,670 |
Tags: constructive algorithms, data structures, greedy, math
Correct Solution:
```
f = lambda: map(int, input().split())
from heapq import *
n, k, x = f()
t, h, p = 0, [], list(f())
for i in range(n):
t ^= p[i] < 0
heappush(h, (abs(p[i]), i))
for j in range(k):
i = heappop(h)[1]
d = p[i] < 0
if n... | output | 1 | 1,335 | 12 | 2,671 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently Maxim has found an array of n integers, needed by no one. He immediately come up with idea of changing it: he invented positive integer x and decided to add or subtract it from arbitrary array elements. Formally, by applying single ... | instruction | 0 | 1,336 | 12 | 2,672 |
Tags: constructive algorithms, data structures, greedy, math
Correct Solution:
```
import heapq
n,k,v = map(int, input().split())
num = list(map(int, input().split()))
sign = len([x for x in num if x<0])
minx,mini = min([[abs(x),i] for i,x in enumerate(num)])
if sign%2==0:
if num[mini]<0:
c = min(minx//v... | output | 1 | 1,336 | 12 | 2,673 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently Maxim has found an array of n integers, needed by no one. He immediately come up with idea of changing it: he invented positive integer x and decided to add or subtract it from arbitrary array elements. Formally, by applying single ... | instruction | 0 | 1,337 | 12 | 2,674 |
Tags: constructive algorithms, data structures, greedy, math
Correct Solution:
```
import heapq as hq
from math import ceil
n, k, x = [int(i) for i in input().strip().split(' ')]
arr = [int(i) for i in input().strip().split(' ')]
is_neg = False
for i in arr:
if i < 0:
is_neg = True if is_neg == False else F... | output | 1 | 1,337 | 12 | 2,675 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently Maxim has found an array of n integers, needed by no one. He immediately come up with idea of changing it: he invented positive integer x and decided to add or subtract it from arbitrary array elements. Formally, by applying single ... | instruction | 0 | 1,338 | 12 | 2,676 |
Tags: constructive algorithms, data structures, greedy, math
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
i... | output | 1 | 1,338 | 12 | 2,677 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently Maxim has found an array of n integers, needed by no one. He immediately come up with idea of changing it: he invented positive integer x and decided to add or subtract it from arbitrary array elements. Formally, by applying single ... | instruction | 0 | 1,339 | 12 | 2,678 |
Tags: constructive algorithms, data structures, greedy, math
Correct Solution:
```
import heapq
n, k, X = map(int, input().split())
a = list(map(int, input().split()))
Q = []
sit = 0
for i, x in enumerate(a):
if x < 0:
sit += 1
heapq.heappush(Q, (abs(x), x, i))
sit = sit %... | output | 1 | 1,339 | 12 | 2,679 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently Maxim has found an array of n integers, needed by no one. He immediately come up with idea of changing it: he invented positive integer x and decided to add or subtract it from arbitrary array elements. Formally, by applying single ... | instruction | 0 | 1,340 | 12 | 2,680 |
Tags: constructive algorithms, data structures, greedy, math
Correct Solution:
```
__author__ = 'Think'
def respond():
if len(arr)>0:
if not arr[0][2]:
print(-arr[0][0], end="")
else:
print(arr[0][0], end="")
for i in arr[1:]:
if i[2]:
print(" "+str(i[0]), end="")
else:
print(" "+str(-i[0]), ... | output | 1 | 1,340 | 12 | 2,681 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently Maxim has found an array of n integers, needed by no one. He immediately come up with idea of changing it: he invented positive integer x and decided to add or subtract it from arbitrar... | instruction | 0 | 1,341 | 12 | 2,682 |
Yes | output | 1 | 1,341 | 12 | 2,683 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently Maxim has found an array of n integers, needed by no one. He immediately come up with idea of changing it: he invented positive integer x and decided to add or subtract it from arbitrar... | instruction | 0 | 1,342 | 12 | 2,684 |
Yes | output | 1 | 1,342 | 12 | 2,685 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently Maxim has found an array of n integers, needed by no one. He immediately come up with idea of changing it: he invented positive integer x and decided to add or subtract it from arbitrar... | instruction | 0 | 1,343 | 12 | 2,686 |
No | output | 1 | 1,343 | 12 | 2,687 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently Maxim has found an array of n integers, needed by no one. He immediately come up with idea of changing it: he invented positive integer x and decided to add or subtract it from arbitrar... | instruction | 0 | 1,344 | 12 | 2,688 |
No | output | 1 | 1,344 | 12 | 2,689 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently Maxim has found an array of n integers, needed by no one. He immediately come up with idea of changing it: he invented positive integer x and decided to add or subtract it from arbitrar... | instruction | 0 | 1,345 | 12 | 2,690 |
No | output | 1 | 1,345 | 12 | 2,691 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently Maxim has found an array of n integers, needed by no one. He immediately come up with idea of changing it: he invented positive integer x and decided to add or subtract it from arbitrar... | instruction | 0 | 1,346 | 12 | 2,692 |
No | output | 1 | 1,346 | 12 | 2,693 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Chloe, the same as Vladik, is a competitive programmer. She didn't have any problems to get to the olympiad like Vladik, but she was confused by the task proposed on the olympiad.
Let's consider the following algorithm of generating a seque... | instruction | 0 | 1,347 | 12 | 2,694 |
Tags: binary search, bitmasks, constructive algorithms, implementation
Correct Solution:
```
#Precomputation
arr=[1]
while len(arr)!=50:
arr.append(arr[-1]*2+1)
#input
n,k=map(int,input().split())
l=arr[n-1]
while k>1 and k!=l//2+1:
l=l//2
if k>l:
k-=l+1
n-=1
if k>1:
print(n)
else:
print... | output | 1 | 1,347 | 12 | 2,695 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Chloe, the same as Vladik, is a competitive programmer. She didn't have any problems to get to the olympiad like Vladik, but she was confused by the task proposed on the olympiad.
Let's consider the following algorithm of generating a seque... | instruction | 0 | 1,348 | 12 | 2,696 |
Tags: binary search, bitmasks, constructive algorithms, implementation
Correct Solution:
```
import sys
from math import hypot
N = 0
cos = 0.5
sin = -(3 ** 0.5) / 2
type = 0
sqrt2 = 2 ** 0.5
sin45 = 1 / (2 ** 0.5)
size_po = 1 / (2 ** 0.5)
sin_45 = -sin45
num = [6 / 19, 6 / 19, 11 / 9, 16 / 21, 20 / 32, 22 / 18, 8 / 1... | output | 1 | 1,348 | 12 | 2,697 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Chloe, the same as Vladik, is a competitive programmer. She didn't have any problems to get to the olympiad like Vladik, but she was confused by the task proposed on the olympiad.
Let's consider the following algorithm of generating a seque... | instruction | 0 | 1,349 | 12 | 2,698 |
Tags: binary search, bitmasks, constructive algorithms, implementation
Correct Solution:
```
n, k = map(int, input().split())
if k % 2 == 1:
print(1)
else:
power = 51
while k % 2 ** power != 0:
power -= 1
print(power + 1)
``` | output | 1 | 1,349 | 12 | 2,699 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Chloe, the same as Vladik, is a competitive programmer. She didn't have any problems to get to the olympiad like Vladik, but she was confused by the task proposed on the olympiad.
Let's consider the following algorithm of generating a seque... | instruction | 0 | 1,350 | 12 | 2,700 |
Tags: binary search, bitmasks, constructive algorithms, implementation
Correct Solution:
```
lengthes = dict()
lengthes[0] = 1
for k in range(1, 51):
lengthes[k] = lengthes[k - 1] * 2 + 1
n, k = list(map(int, input().split()))
def rec(n, k):
if n == 0:
return 1
if k <= lengthes[n - 1]:
... | output | 1 | 1,350 | 12 | 2,701 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Chloe, the same as Vladik, is a competitive programmer. She didn't have any problems to get to the olympiad like Vladik, but she was confused by the task proposed on the olympiad.
Let's consider the following algorithm of generating a seque... | instruction | 0 | 1,351 | 12 | 2,702 |
Tags: binary search, bitmasks, constructive algorithms, implementation
Correct Solution:
```
a, b = map(int, input().split())
c = 1
while (b % 2 == 0):
b //= 2
c += 1
print(c)
``` | output | 1 | 1,351 | 12 | 2,703 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Chloe, the same as Vladik, is a competitive programmer. She didn't have any problems to get to the olympiad like Vladik, but she was confused by the task proposed on the olympiad.
Let's consider the following algorithm of generating a seque... | instruction | 0 | 1,352 | 12 | 2,704 |
Tags: binary search, bitmasks, constructive algorithms, implementation
Correct Solution:
```
y, x = map(int, input().split())
for i in range(50):
if (x >> i) & 1:
print(i + 1)
break
``` | output | 1 | 1,352 | 12 | 2,705 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Chloe, the same as Vladik, is a competitive programmer. She didn't have any problems to get to the olympiad like Vladik, but she was confused by the task proposed on the olympiad.
Let's consider the following algorithm of generating a seque... | instruction | 0 | 1,353 | 12 | 2,706 |
Tags: binary search, bitmasks, constructive algorithms, implementation
Correct Solution:
```
def dfs(n, k):
if n == 1:
return 1
m = 1 << (n-1)
if m == k:
return n
if m > k:
return dfs(n-1, k)
return dfs(n-1, k-m)
N, K = map(int, input().split())
print(dfs(N, K))
``` | output | 1 | 1,353 | 12 | 2,707 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Chloe, the same as Vladik, is a competitive programmer. She didn't have any problems to get to the olympiad like Vladik, but she was confused by the task proposed on the olympiad.
Let's consider the following algorithm of generating a seque... | instruction | 0 | 1,354 | 12 | 2,708 |
Tags: binary search, bitmasks, constructive algorithms, implementation
Correct Solution:
```
# n, a, b = list(map(lambda k: int(k), input().split(' ')))
# s = input()
def solveQ1(n, a, b, s):
if s[a-1] == s[b-1]:
return 0
c = s[b-1]
n = len(s)
min_dist = n
for i in range(n):
if s[i] == c:
min_dist = min(ab... | output | 1 | 1,354 | 12 | 2,709 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Chloe, the same as Vladik, is a competitive programmer. She didn't have any problems to get to the olympiad like Vladik, but she was confused by the task proposed on the olympiad.
Let's conside... | instruction | 0 | 1,356 | 12 | 2,712 |
Yes | output | 1 | 1,356 | 12 | 2,713 |
Provide a correct Python 3 solution for this coding contest problem.
You are given an integer sequence of length N, a = {a_1, a_2, …, a_N}, and an integer K.
a has N(N+1)/2 non-empty contiguous subsequences, {a_l, a_{l+1}, …, a_r} (1 ≤ l ≤ r ≤ N). Among them, how many have an arithmetic mean that is greater than or e... | instruction | 0 | 1,556 | 12 | 3,112 |
"Correct Solution:
```
from collections import defaultdict, deque, Counter
from heapq import heappush, heappop, heapify
import math
import bisect
import random
from itertools import permutations, accumulate, combinations, product
import sys
import string
from bisect import bisect_left, bisect_right
from math import fac... | output | 1 | 1,556 | 12 | 3,113 |
Provide a correct Python 3 solution for this coding contest problem.
Write a program which manipulates a sequence A = {a1, a2, . . . , an} with the following operations:
* add(i, x): add x to ai.
* getSum(s, t): print the sum of as, as+1,...,at.
Note that the initial values of ai (i = 1, 2, . . . , n) are 0.
Cons... | instruction | 0 | 1,642 | 12 | 3,284 |
"Correct Solution:
```
import sys
input = sys.stdin.readline
class SegmentTree():
def __init__(self,arr,func=min,ie=2**63):
self.n = 2**(len(arr)-1).bit_length()
self.ie = ie
self.func = func
self.tree = [ie for _ in range(2*self.n)]
for i in range(len(arr)):
sel... | output | 1 | 1,642 | 12 | 3,285 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a permutation p_1, p_2, …, p_n.
In one move you can swap two adjacent values.
You want to perform a minimum number of moves, such that in the end there will exist a subsegment 1,2,…, k, in other words in the end there should ... | instruction | 0 | 1,775 | 12 | 3,550 |
Tags: binary search, data structures
Correct Solution:
```
import sys
reader = (s.rstrip() for s in sys.stdin)
input = reader.__next__
class Binary_Indexed_Tree():
def __init__(self, n):
self.n = n
self.data = [0]*(n+1)
def add(self, i, x):
while i <= self.n:
self.data[i] +... | output | 1 | 1,775 | 12 | 3,551 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a permutation p_1, p_2, …, p_n.
In one move you can swap two adjacent values.
You want to perform a minimum number of moves, such that in the end there will exist a subsegment 1,2,…, k, in other words in the end there should ... | instruction | 0 | 1,776 | 12 | 3,552 |
Tags: binary search, data structures
Correct Solution:
```
#Author:MVP
n = int(input())
arr = list(map(int,input().split()))
trees = [0]*(1+n)
dic = [0]*(n+1)
ans = [0]*n
def update(t,i,v):
while i < len(t):
t[i] += v
i += lowbit(i)
def lowbit(x):
return x&-x
def sum(t,i... | output | 1 | 1,776 | 12 | 3,553 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a permutation p_1, p_2, …, p_n.
In one move you can swap two adjacent values.
You want to perform a minimum number of moves, such that in the end there will exist a subsegment 1,2,…, k, in other words in the end there should ... | instruction | 0 | 1,777 | 12 | 3,554 |
Tags: binary search, data structures
Correct Solution:
```
class Fenwick:
def __init__(self, max_val):
self.b = [0] * (max_val + 1)
def update(self, i, increment):
while i > 0 and i < len(self.b):
self.b[i] += increment
i += i & (-i)
def sum(self, i):
ans = ... | output | 1 | 1,777 | 12 | 3,555 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a permutation p_1, p_2, …, p_n.
In one move you can swap two adjacent values.
You want to perform a minimum number of moves, such that in the end there will exist a subsegment 1,2,…, k, in other words in the end there should ... | instruction | 0 | 1,778 | 12 | 3,556 |
Tags: binary search, data structures
Correct Solution:
```
import heapq
class DynamicMedian():
def __init__(self):
self.l_q = []
self.r_q = []
self.l_sum = 0
self.r_sum = 0
def add(self, val):
if len(self.l_q) == len(self.r_q):
self.l_sum += val
... | output | 1 | 1,778 | 12 | 3,557 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a permutation p_1, p_2, …, p_n.
In one move you can swap two adjacent values.
You want to perform a minimum number of moves, such that in the end there will exist a subsegment 1,2,…, k, in other words in the end there should ... | instruction | 0 | 1,779 | 12 | 3,558 |
Tags: binary search, data structures
Correct Solution:
```
from bisect import bisect_right, bisect_left
# instead of AVLTree
class BITbisect():
def __init__(self, InputProbNumbers):
# 座圧
self.ind_to_co = [-10**18]
self.co_to_ind = {}
for ind, num in enumerate(sorted(list(set(InputPro... | output | 1 | 1,779 | 12 | 3,559 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a permutation p_1, p_2, …, p_n.
In one move you can swap two adjacent values.
You want to perform a minimum number of moves, such that in the end there will exist a subsegment 1,2,…, k, in other words in the end there should ... | instruction | 0 | 1,780 | 12 | 3,560 |
Tags: binary search, data structures
Correct Solution:
```
n = int(input())
a = [0] + list(map(int, input().split()))
pos, pb, ps = [[0] * (n + 1) for x in range(3)]
def add(bit, i, val):
while i <= n:
bit[i] += val
i += i & -i
def sum(bit, i):
res = 0
while i > 0:
res += bit[i]... | output | 1 | 1,780 | 12 | 3,561 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a permutation p_1, p_2, …, p_n.
In one move you can swap two adjacent values.
You want to perform a minimum number of moves, such that in the end there will exist a subsegment 1,2,…, k, in other words in the end there should ... | instruction | 0 | 1,781 | 12 | 3,562 |
Tags: binary search, data structures
Correct Solution:
```
import sys
input = sys.stdin.buffer.readline
# all operations are log(n)
class bit:
def __init__(self, n):
self.n = n+1
self.mx_p = 0
while 1 << self.mx_p < self.n:
self.mx_p += 1
self.a = [0]*(self.n)
se... | output | 1 | 1,781 | 12 | 3,563 |
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 p_1, p_2, …, p_n.
In one move you can swap two adjacent values.
You want to perform a minimum number of moves, such that in the end there will exist a subsegment 1,... | instruction | 0 | 1,782 | 12 | 3,564 |
No | output | 1 | 1,782 | 12 | 3,565 |
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 p_1, p_2, …, p_n.
In one move you can swap two adjacent values.
You want to perform a minimum number of moves, such that in the end there will exist a subsegment 1,... | instruction | 0 | 1,783 | 12 | 3,566 |
No | output | 1 | 1,783 | 12 | 3,567 |
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 p_1, p_2, …, p_n.
In one move you can swap two adjacent values.
You want to perform a minimum number of moves, such that in the end there will exist a subsegment 1,... | instruction | 0 | 1,784 | 12 | 3,568 |
No | output | 1 | 1,784 | 12 | 3,569 |
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 p_1, p_2, …, p_n.
In one move you can swap two adjacent values.
You want to perform a minimum number of moves, such that in the end there will exist a subsegment 1,... | instruction | 0 | 1,785 | 12 | 3,570 |
No | output | 1 | 1,785 | 12 | 3,571 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's define the function f of multiset a as the multiset of number of occurences of every number, that is present in a.
E.g., f(\{5, 5, 1, 2, 5, 2, 3, 3, 9, 5\}) = \{1, 1, 2, 2, 4\}.
Let's de... | instruction | 0 | 1,786 | 12 | 3,572 |
No | output | 1 | 1,786 | 12 | 3,573 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Eugene likes working with arrays. And today he needs your help in solving one challenging task.
An array c is a subarray of an array b if c can be obtained from b by deletion of several (possibly, zero or all) elements from the beginning an... | instruction | 0 | 1,788 | 12 | 3,576 |
Tags: binary search, data structures, implementation, two pointers
Correct Solution:
```
from collections import defaultdict
def solve(arr, n):
ma = defaultdict(list)
ma[0].append(-1)
p = [arr[i] for i in range(n)]
for i in range(1, n): p[i] += p[i-1]
cnt, lst = 0, -1
for i in range(n):
... | output | 1 | 1,788 | 12 | 3,577 |
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