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 |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, on the course of algorithms and data structures, Valeriy learned how to use a deque. He built a deque filled with n elements. The i-th element is a_i (i = 1, 2, …, n). He gradually tak... | instruction | 0 | 107,910 | 12 | 215,820 |
No | output | 1 | 107,910 | 12 | 215,821 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, on the course of algorithms and data structures, Valeriy learned how to use a deque. He built a deque filled with n elements. The i-th element is a_i (i = 1, 2, …, n). He gradually tak... | instruction | 0 | 107,911 | 12 | 215,822 |
No | output | 1 | 107,911 | 12 | 215,823 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, on the course of algorithms and data structures, Valeriy learned how to use a deque. He built a deque filled with n elements. The i-th element is a_i (i = 1, 2, …, n). He gradually tak... | instruction | 0 | 107,912 | 12 | 215,824 |
No | output | 1 | 107,912 | 12 | 215,825 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, on the course of algorithms and data structures, Valeriy learned how to use a deque. He built a deque filled with n elements. The i-th element is a_i (i = 1, 2, …, n). He gradually tak... | instruction | 0 | 107,913 | 12 | 215,826 |
No | output | 1 | 107,913 | 12 | 215,827 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sorted array a_1, a_2, ..., a_n (for each index i > 1 condition a_i ≥ a_{i-1} holds) and an integer k.
You are asked to divide this array into k non-empty consecutive subarrays. Every element in the array should be included ... | instruction | 0 | 107,914 | 12 | 215,828 |
Tags: greedy, sortings
Correct Solution:
```
import sys,io,os
input = io.BytesIO(os.read(0, os.fstat(0).st_size)).readline
n,k = [int(i) for i in input().split()]
a = [int(i) for i in input().split()]
suff = [0]*n
suff[-1] = a[-1]
for i in range (n-2,-1,-1):
suff[i] = suff[i+1]+a[i]
ans = suff[0]
suff = suff[1:]
s... | output | 1 | 107,914 | 12 | 215,829 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sorted array a_1, a_2, ..., a_n (for each index i > 1 condition a_i ≥ a_{i-1} holds) and an integer k.
You are asked to divide this array into k non-empty consecutive subarrays. Every element in the array should be included ... | instruction | 0 | 107,915 | 12 | 215,830 |
Tags: greedy, sortings
Correct Solution:
```
from bisect import bisect_right as br
def f(k,a):
d=[]
for i in range(0,len(a)-1):
d.append(a[i+1]-a[i])
ans=a[-1]-a[0]
d=sorted(d,reverse=True)
for i in range(k-1):
ans-=d[i]
return ans
a,b=map(int,input().strip().split())
lst=list(... | output | 1 | 107,915 | 12 | 215,831 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sorted array a_1, a_2, ..., a_n (for each index i > 1 condition a_i ≥ a_{i-1} holds) and an integer k.
You are asked to divide this array into k non-empty consecutive subarrays. Every element in the array should be included ... | instruction | 0 | 107,916 | 12 | 215,832 |
Tags: greedy, sortings
Correct Solution:
```
n, k = map(int, input().split())
a = list(map(int, input().split()))
for i in range(n - 1):
a[i] = a[i + 1] - a[i]
b = sorted(a[:-1], reverse=True)
print(sum(b[k - 1:]))
``` | output | 1 | 107,916 | 12 | 215,833 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sorted array a_1, a_2, ..., a_n (for each index i > 1 condition a_i ≥ a_{i-1} holds) and an integer k.
You are asked to divide this array into k non-empty consecutive subarrays. Every element in the array should be included ... | instruction | 0 | 107,917 | 12 | 215,834 |
Tags: greedy, sortings
Correct Solution:
```
import io, os
#input = io.StringIO(os.read(0, os.fstat(0).st_size).decode()).readline
n, k = map(int, input().split())
a = list(map(int, input().split()))
summ = 0
v = []
for i in range(n - 1, -1, -1):
summ += a[i]
if i > 0:
v.append(summ)
ans = summ
v.sort(rev... | output | 1 | 107,917 | 12 | 215,835 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sorted array a_1, a_2, ..., a_n (for each index i > 1 condition a_i ≥ a_{i-1} holds) and an integer k.
You are asked to divide this array into k non-empty consecutive subarrays. Every element in the array should be included ... | instruction | 0 | 107,918 | 12 | 215,836 |
Tags: greedy, sortings
Correct Solution:
```
n,k=map(int,input().split())
a=list(map(int,input().split()))
l=sorted([a[i]-a[i-1] for i in range(1,n)],reverse=True)
ans=a[-1]-a[0]
for i in range(k-1):
ans-=l[i]
print(ans)
``` | output | 1 | 107,918 | 12 | 215,837 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sorted array a_1, a_2, ..., a_n (for each index i > 1 condition a_i ≥ a_{i-1} holds) and an integer k.
You are asked to divide this array into k non-empty consecutive subarrays. Every element in the array should be included ... | instruction | 0 | 107,919 | 12 | 215,838 |
Tags: greedy, sortings
Correct Solution:
```
n,k=map(int,input().split())
a=list(map(int,input().split()))
ans=a[n-1]-a[0]
l=[]
for i in range(1,n):
l.append(a[i-1]-a[i])
l.sort()
ans+=sum(l[:k-1])
print(ans)
``` | output | 1 | 107,919 | 12 | 215,839 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sorted array a_1, a_2, ..., a_n (for each index i > 1 condition a_i ≥ a_{i-1} holds) and an integer k.
You are asked to divide this array into k non-empty consecutive subarrays. Every element in the array should be included ... | instruction | 0 | 107,920 | 12 | 215,840 |
Tags: greedy, sortings
Correct Solution:
```
n,k=map(int,input().split())
a=[int(x) for x in input().split()]
if n==k:
print(0)
else:
b=[0]*(n-1)
for i in range (0,n-1):
b[i]=a[i+1]-a[i]
b=sorted(b)
s=0
for j in range (0,n-k):
s=s+b[j]
print(s)
``` | output | 1 | 107,920 | 12 | 215,841 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sorted array a_1, a_2, ..., a_n (for each index i > 1 condition a_i ≥ a_{i-1} holds) and an integer k.
You are asked to divide this array into k non-empty consecutive subarrays. Every element in the array should be included ... | instruction | 0 | 107,921 | 12 | 215,842 |
Tags: greedy, sortings
Correct Solution:
```
n,k = map(int,input().split(" "))
a= list(map(int, input().split(" ")))
diff = []
for i in range(n-1):
diff.append(a[i+1]-a[i])
diff = sorted(diff)
res = 0
for i in range(n-k):
res += diff[i]
print(res)
``` | output | 1 | 107,921 | 12 | 215,843 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sorted array a_1, a_2, ..., a_n (for each index i > 1 condition a_i ≥ a_{i-1} holds) and an integer k.
You are asked to divide this array into k non-empty consecutive subarrays.... | instruction | 0 | 107,922 | 12 | 215,844 |
Yes | output | 1 | 107,922 | 12 | 215,845 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sorted array a_1, a_2, ..., a_n (for each index i > 1 condition a_i ≥ a_{i-1} holds) and an integer k.
You are asked to divide this array into k non-empty consecutive subarrays.... | instruction | 0 | 107,923 | 12 | 215,846 |
Yes | output | 1 | 107,923 | 12 | 215,847 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sorted array a_1, a_2, ..., a_n (for each index i > 1 condition a_i ≥ a_{i-1} holds) and an integer k.
You are asked to divide this array into k non-empty consecutive subarrays.... | instruction | 0 | 107,924 | 12 | 215,848 |
Yes | output | 1 | 107,924 | 12 | 215,849 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sorted array a_1, a_2, ..., a_n (for each index i > 1 condition a_i ≥ a_{i-1} holds) and an integer k.
You are asked to divide this array into k non-empty consecutive subarrays.... | instruction | 0 | 107,925 | 12 | 215,850 |
Yes | output | 1 | 107,925 | 12 | 215,851 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sorted array a_1, a_2, ..., a_n (for each index i > 1 condition a_i ≥ a_{i-1} holds) and an integer k.
You are asked to divide this array into k non-empty consecutive subarrays.... | instruction | 0 | 107,926 | 12 | 215,852 |
No | output | 1 | 107,926 | 12 | 215,853 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sorted array a_1, a_2, ..., a_n (for each index i > 1 condition a_i ≥ a_{i-1} holds) and an integer k.
You are asked to divide this array into k non-empty consecutive subarrays.... | instruction | 0 | 107,927 | 12 | 215,854 |
No | output | 1 | 107,927 | 12 | 215,855 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sorted array a_1, a_2, ..., a_n (for each index i > 1 condition a_i ≥ a_{i-1} holds) and an integer k.
You are asked to divide this array into k non-empty consecutive subarrays.... | instruction | 0 | 107,928 | 12 | 215,856 |
No | output | 1 | 107,928 | 12 | 215,857 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sorted array a_1, a_2, ..., a_n (for each index i > 1 condition a_i ≥ a_{i-1} holds) and an integer k.
You are asked to divide this array into k non-empty consecutive subarrays.... | instruction | 0 | 107,929 | 12 | 215,858 |
No | output | 1 | 107,929 | 12 | 215,859 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Yeah, we failed to make up a New Year legend for this problem.
A permutation of length n is an array of n integers such that every integer from 1 to n appears in it exactly once.
An element y of permutation p is reachable from element x i... | instruction | 0 | 107,956 | 12 | 215,912 |
Tags: combinatorics, dp
Correct Solution:
```
import math
# init
maxn = 55
g = [1]
for i in range(maxn):
g.append(math.factorial(i))
f = [0] * maxn
f[0] = 1
for i in range(1, maxn):
for j in range(i):
f[i] += f[j] * g[i - j - 1]
def kth(n, k):
if n == 1:
return [1]
ret = [-1] * n
r... | output | 1 | 107,956 | 12 | 215,913 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Yeah, we failed to make up a New Year legend for this problem.
A permutation of length n is an array of n integers such that every integer from 1 to n appears in it exactly once.
An element y of permutation p is reachable from element x i... | instruction | 0 | 107,957 | 12 | 215,914 |
Tags: combinatorics, dp
Correct Solution:
```
import math
# init
maxn = 55
g = [1]
for i in range(maxn):
g.append(math.factorial(i))
f = [0] * maxn
f[0] = 1
for i in range(1, maxn):
for j in range(i):
f[i] += f[j] * g[i - j - 1]
def kth(n, k):
if n == 1:
return [1]
ret = [-1] * n
r... | output | 1 | 107,957 | 12 | 215,915 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Yeah, we failed to make up a New Year legend for this problem.
A permutation of length n is an array of n integers such that every integer from 1 to n appears in it exactly once.
An element y of permutation p is reachable from element x i... | instruction | 0 | 107,958 | 12 | 215,916 |
Tags: combinatorics, dp
Correct Solution:
```
MAXN = 55
f = [0] * MAXN
fac = [0] * MAXN
fac[0] = 1
for i in range(1, 51):
fac[i] = fac[i - 1] * i
f[0] = 1;
for i in range(1, 51):
f[i] += f[i - 1]
for j in range(2, i + 1):
f[i] += fac[j - 2] * f[i - j]
def my_fac(n):
if n <= 0:
return 1
return fac[... | output | 1 | 107,958 | 12 | 215,917 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Yeah, we failed to make up a New Year legend for this problem.
A permutation of length n is an array of n integers such that every integer from 1 to n appears in it exactly once.
An element y of permutation p is reachable from element x i... | instruction | 0 | 107,959 | 12 | 215,918 |
Tags: combinatorics, dp
Correct Solution:
```
#!/usr/bin/python3
from math import factorial as fact
N = 55
c = [1]
for i in range(N):
c.append(fact(i))
dp = [0] * N
dp[0] = 1
for i in range(1, N):
for j in range(i):
dp[i] += dp[j] * c[i - j - 1]
def get_kth_cycle(n, k):
if n == 1:
return [1]
ans = [-1] * n
... | output | 1 | 107,959 | 12 | 215,919 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Yeah, we failed to make up a New Year legend for this problem.
A permutation of length n is an array of n integers such that every integer from 1 to n appears in it exactly once.
An element y of permutation p is reachable from element x i... | instruction | 0 | 107,960 | 12 | 215,920 |
Tags: combinatorics, dp
Correct Solution:
```
from math import factorial as fact
N = 55
c = [1]
for i in range(N):
c.append(fact(i))
dp = [0] * N
dp[0] = 1
for i in range(1, N):
for j in range(i):
dp[i] += dp[j] * c[i - j - 1]
def get_kth_cycle(n, k):
if n == 1:
return [1]
ans = [-1] * n
ans[0] = n - 1
fi... | output | 1 | 107,960 | 12 | 215,921 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Yeah, we failed to make up a New Year legend for this problem.
A permutation of length n is an array of n integers such that every integer from 1 to n appears in it exactly once.
An element y of permutation p is reachable from element x i... | instruction | 0 | 107,961 | 12 | 215,922 |
Tags: combinatorics, dp
Correct Solution:
```
from itertools import accumulate
from math import *
import os, sys
import threading
from io import BytesIO
from bisect import bisect_left
input = BytesIO(os.read(0, os.fstat(0).st_size)).readline
from math import factorial as fact
N = 55
c = [1]
for i in range(N):
c.app... | output | 1 | 107,961 | 12 | 215,923 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Yeah, we failed to make up a New Year legend for this problem.
A permutation of length n is an array of n integers such that every integer from 1 to n appears in it exactly once.
An element y of permutation p is reachable from element x i... | instruction | 0 | 107,962 | 12 | 215,924 |
Tags: combinatorics, dp
Correct Solution:
```
from sys import stdin, stdout
from math import factorial
# Precompute
N = 55
cyc = [1] * N
for i in range(1, N):
cyc[i] = factorial(i - 1)
dp = [0] * N
dp[0] = 1
for i in range(1, N):
for j in range(i):
dp[i] += dp[j] * cyc[i - j - 1]
# Done Precompute
... | output | 1 | 107,962 | 12 | 215,925 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Yeah, we failed to make up a New Year legend for this problem.
A permutation of length n is an array of n integers such that every integer from 1 to n appears in it exactly once.
An element y of permutation p is reachable from element x i... | instruction | 0 | 107,963 | 12 | 215,926 |
Tags: combinatorics, dp
Correct Solution:
```
# 1279E - New Year Permutations
# Idea:
# dp(i) --> # of good permutations of [i,n]
# cycles(m) --> # of blocks of len m ( == (m-2)! as first element is fixed)
# It is easy to test for impossibility ie. k > dp(1)
# Another subproblem: how to compute jth smallest cycle
# g... | output | 1 | 107,963 | 12 | 215,927 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Yeah, we failed to make up a New Year legend for this problem.
A permutation of length n is an array of n integers such that every integer from 1 to n appears in it exactly once.
An element y... | instruction | 0 | 107,964 | 12 | 215,928 |
No | output | 1 | 107,964 | 12 | 215,929 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Yeah, we failed to make up a New Year legend for this problem.
A permutation of length n is an array of n integers such that every integer from 1 to n appears in it exactly once.
An element y... | instruction | 0 | 107,965 | 12 | 215,930 |
No | output | 1 | 107,965 | 12 | 215,931 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Yeah, we failed to make up a New Year legend for this problem.
A permutation of length n is an array of n integers such that every integer from 1 to n appears in it exactly once.
An element y... | instruction | 0 | 107,966 | 12 | 215,932 |
No | output | 1 | 107,966 | 12 | 215,933 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Yeah, we failed to make up a New Year legend for this problem.
A permutation of length n is an array of n integers such that every integer from 1 to n appears in it exactly once.
An element y... | instruction | 0 | 107,967 | 12 | 215,934 |
No | output | 1 | 107,967 | 12 | 215,935 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You're given an array a of n integers, such that a_1 + a_2 + ⋅⋅⋅ + a_n = 0.
In one operation, you can choose two different indices i and j (1 ≤ i, j ≤ n), decrement a_i by one and increment a_j by one. If i < j this operation is free, other... | instruction | 0 | 108,020 | 12 | 216,040 |
Tags: constructive algorithms, implementation
Correct Solution:
```
import sys
import bisect as bi
import math
from collections import defaultdict as dd
import heapq
import itertools
##import operator
input=sys.stdin.readline
import random
##sys.setrecursionlimit(10**7)
##fo=open("output.txt","w")
##fi=open("input2.txt... | output | 1 | 108,020 | 12 | 216,041 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Kolya got an integer array a_1, a_2, ..., a_n. The array can contain both positive and negative integers, but Kolya doesn't like 0, so the array doesn't contain any zeros.
Kolya doesn't like that the sum of some subsegments of his array can... | instruction | 0 | 108,036 | 12 | 216,072 |
Tags: constructive algorithms, data structures, greedy, sortings
Correct Solution:
```
from sys import stdin,stdout
import math
from bisect import bisect_left
from collections import Counter,deque,defaultdict
L=lambda:list(map(int, stdin.readline().strip().split()))
M=lambda:map(int, stdin.readline().strip().split())
I... | output | 1 | 108,036 | 12 | 216,073 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Kolya got an integer array a_1, a_2, ..., a_n. The array can contain both positive and negative integers, but Kolya doesn't like 0, so the array doesn't contain any zeros.
Kolya doesn't like that the sum of some subsegments of his array can... | instruction | 0 | 108,037 | 12 | 216,074 |
Tags: constructive algorithms, data structures, greedy, sortings
Correct Solution:
```
def checker(lst, n):
k, s, c = 0, set(), 0
for i in range(n):
k += lst[i]
if k == 0 or k in s:
c += 1
s.clear()
k = lst[i]
s.add(k)
return c
n = int(input())
a = [int(i) for i in input().split()]
print(che... | output | 1 | 108,037 | 12 | 216,075 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Kolya got an integer array a_1, a_2, ..., a_n. The array can contain both positive and negative integers, but Kolya doesn't like 0, so the array doesn't contain any zeros.
Kolya doesn't like that the sum of some subsegments of his array can... | instruction | 0 | 108,038 | 12 | 216,076 |
Tags: constructive algorithms, data structures, greedy, sortings
Correct Solution:
```
import collections
n=int(input())
arr=list(map(int,input().split()))
ans=0
sums=0
s=set()
for val in arr:
s.add(sums)
sums+=val
if sums in s:
ans+=1
sums=val
s=set()
s.add(0)
print(ans)
``... | output | 1 | 108,038 | 12 | 216,077 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Kolya got an integer array a_1, a_2, ..., a_n. The array can contain both positive and negative integers, but Kolya doesn't like 0, so the array doesn't contain any zeros.
Kolya doesn't like that the sum of some subsegments of his array can... | instruction | 0 | 108,039 | 12 | 216,078 |
Tags: constructive algorithms, data structures, greedy, sortings
Correct Solution:
```
from collections import Counter
import string
import math
import sys
from fractions import Fraction
def array_int():
return [int(i) for i in sys.stdin.readline().split()]
def vary(arrber_of_variables):
if arrber_of_variables=... | output | 1 | 108,039 | 12 | 216,079 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Kolya got an integer array a_1, a_2, ..., a_n. The array can contain both positive and negative integers, but Kolya doesn't like 0, so the array doesn't contain any zeros.
Kolya doesn't like that the sum of some subsegments of his array can... | instruction | 0 | 108,040 | 12 | 216,080 |
Tags: constructive algorithms, data structures, greedy, sortings
Correct Solution:
```
n = int(input())
l = list(map(int,input().split()))
num = {0}
count,s = 0,0
for i in l:
s += i
if s in num:
num = {0}
count += 1
s = i
num.add(s)
print(count)
``` | output | 1 | 108,040 | 12 | 216,081 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Kolya got an integer array a_1, a_2, ..., a_n. The array can contain both positive and negative integers, but Kolya doesn't like 0, so the array doesn't contain any zeros.
Kolya doesn't like that the sum of some subsegments of his array can... | instruction | 0 | 108,041 | 12 | 216,082 |
Tags: constructive algorithms, data structures, greedy, sortings
Correct Solution:
```
n = int(input())
a = list(map(int, input().split()))
pre = ans = 0
visited = set([0])
for i in a:
pre += i
if pre in visited:
ans += 1
visited.clear()
visited.add(0)
pre = i
visited.add(pr... | output | 1 | 108,041 | 12 | 216,083 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Kolya got an integer array a_1, a_2, ..., a_n. The array can contain both positive and negative integers, but Kolya doesn't like 0, so the array doesn't contain any zeros.
Kolya doesn't like that the sum of some subsegments of his array can... | instruction | 0 | 108,042 | 12 | 216,084 |
Tags: constructive algorithms, data structures, greedy, sortings
Correct Solution:
```
#! /usr/bin/python3
import os
import sys
from io import BytesIO, IOBase
import math
def main1():
for _ in range(int(input())):
n, x = map(int, input().split())
if n <= 2:
print(1)
else:
... | output | 1 | 108,042 | 12 | 216,085 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Kolya got an integer array a_1, a_2, ..., a_n. The array can contain both positive and negative integers, but Kolya doesn't like 0, so the array doesn't contain any zeros.
Kolya doesn't like that the sum of some subsegments of his array can... | instruction | 0 | 108,043 | 12 | 216,086 |
Tags: constructive algorithms, data structures, greedy, sortings
Correct Solution:
```
def main():
n = int(input())
a = list(map(int, input().split()))
d = set([0])
presum = 0
ans = 0
for v in a:
presum += v
if presum in d:
ans += 1
d.clear()
... | output | 1 | 108,043 | 12 | 216,087 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Kolya got an integer array a_1, a_2, ..., a_n. The array can contain both positive and negative integers, but Kolya doesn't like 0, so the array doesn't contain any zeros.
Kolya doesn't like th... | instruction | 0 | 108,044 | 12 | 216,088 |
Yes | output | 1 | 108,044 | 12 | 216,089 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Kolya got an integer array a_1, a_2, ..., a_n. The array can contain both positive and negative integers, but Kolya doesn't like 0, so the array doesn't contain any zeros.
Kolya doesn't like th... | instruction | 0 | 108,045 | 12 | 216,090 |
Yes | output | 1 | 108,045 | 12 | 216,091 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Kolya got an integer array a_1, a_2, ..., a_n. The array can contain both positive and negative integers, but Kolya doesn't like 0, so the array doesn't contain any zeros.
Kolya doesn't like th... | instruction | 0 | 108,046 | 12 | 216,092 |
Yes | output | 1 | 108,046 | 12 | 216,093 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Kolya got an integer array a_1, a_2, ..., a_n. The array can contain both positive and negative integers, but Kolya doesn't like 0, so the array doesn't contain any zeros.
Kolya doesn't like th... | instruction | 0 | 108,047 | 12 | 216,094 |
Yes | output | 1 | 108,047 | 12 | 216,095 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Kolya got an integer array a_1, a_2, ..., a_n. The array can contain both positive and negative integers, but Kolya doesn't like 0, so the array doesn't contain any zeros.
Kolya doesn't like th... | instruction | 0 | 108,048 | 12 | 216,096 |
No | output | 1 | 108,048 | 12 | 216,097 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Kolya got an integer array a_1, a_2, ..., a_n. The array can contain both positive and negative integers, but Kolya doesn't like 0, so the array doesn't contain any zeros.
Kolya doesn't like th... | instruction | 0 | 108,049 | 12 | 216,098 |
No | output | 1 | 108,049 | 12 | 216,099 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Kolya got an integer array a_1, a_2, ..., a_n. The array can contain both positive and negative integers, but Kolya doesn't like 0, so the array doesn't contain any zeros.
Kolya doesn't like th... | instruction | 0 | 108,050 | 12 | 216,100 |
No | output | 1 | 108,050 | 12 | 216,101 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Kolya got an integer array a_1, a_2, ..., a_n. The array can contain both positive and negative integers, but Kolya doesn't like 0, so the array doesn't contain any zeros.
Kolya doesn't like th... | instruction | 0 | 108,051 | 12 | 216,102 |
No | output | 1 | 108,051 | 12 | 216,103 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have a sequence a with n elements 1, 2, 3, ..., k - 1, k, k - 1, k - 2, ..., k - (n - k) (k ≤ n < 2k).
Let's call as inversion in a a pair of indices i < j such that a[i] > a[j].
Suppose, you have some permutation p of size k and you b... | instruction | 0 | 108,068 | 12 | 216,136 |
Tags: constructive algorithms, math
Correct Solution:
```
for i in range(int(input())):
n,k=map(int,input().split())
g=[]
for j in range(2*k-n):
g.append(j+1)
if (n-k)==0:
print(' '.join(map(str,g)))
else:
h=[]
for j in range(k-1-n+k):
h.append(j+1)
for j in range(k-(k-1-n+k)):
h.append(k-j)
prin... | output | 1 | 108,068 | 12 | 216,137 |
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