Submission #60900053

Source Code Expand

// LUOGU_RID: 195224699
#include<bits/stdc++.h>
using namespace std;
long long n, k, a[100005], c[100005], ans;
int main(){
    cin >> n >> k;
    for(int i = 1; i <= n; i ++) cin >> a[i];
    for(int i = 1; i <= n - k + 1; i ++){
        c[i] ++; c[i + k] --;
    }
    for(int i = 1; i <= n; i ++) c[i] += c[i - 1];
    for(int i = 1; i <= n; i ++) ans += a[i] * c[i];
    cout << ans;
    return 0;
}

Submission Info

Submission Time
Task C - 総和
User zhangzirui66
Language C++ 17 (gcc 12.2)
Score 100
Code Size 416 Byte
Status AC
Exec Time 25 ms
Memory 5060 KiB

Judge Result

Set Name sample subtask1 subtask2
Score / Max Score 0 / 0 50 / 50 50 / 50
Status
AC × 2
AC × 13
AC × 24
Set Name Test Cases
sample sample01.txt, sample02.txt
subtask1 00.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, sample01.txt, sample02.txt
subtask2 00.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, sample01.txt, sample02.txt, sample01.txt, sample02.txt
Case Name Status Exec Time Memory
00.txt AC 1 ms 3436 KiB
01.txt AC 1 ms 3412 KiB
02.txt AC 1 ms 3512 KiB
03.txt AC 1 ms 3424 KiB
04.txt AC 1 ms 3468 KiB
05.txt AC 1 ms 3500 KiB
06.txt AC 1 ms 3468 KiB
07.txt AC 1 ms 3424 KiB
08.txt AC 1 ms 3524 KiB
09.txt AC 1 ms 3464 KiB
10.txt AC 1 ms 3520 KiB
11.txt AC 23 ms 5052 KiB
12.txt AC 24 ms 5000 KiB
13.txt AC 24 ms 4956 KiB
14.txt AC 24 ms 5056 KiB
15.txt AC 24 ms 5048 KiB
16.txt AC 24 ms 5052 KiB
17.txt AC 25 ms 5056 KiB
18.txt AC 10 ms 5052 KiB
19.txt AC 24 ms 5060 KiB
sample01.txt AC 1 ms 3564 KiB
sample02.txt AC 1 ms 3504 KiB