Submission #1454592


Source Code Expand

#include <iostream>
#include <string>
#include <algorithm>

using namespace std;

int main()
{
    int n, k, a[100000];
    cin >> n >> k;
    for(int i=0; i<n; i++) cin >> a[i];

    long long ans = 0, sum = 0;
    for(int i=0; i<n; i++){
        sum += a[i];
        if(i < k-1) continue;
        ans += sum;
        sum -= a[i-k+1];
    }

    cout << ans << endl;

    return 0;
}

Submission Info

Submission Time
Task C - 総和
User reverd
Language C++14 (GCC 5.4.1)
Score 100
Code Size 409 Byte
Status AC
Exec Time 51 ms
Memory 640 KB

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 256 KB
01.txt AC 1 ms 256 KB
02.txt AC 1 ms 256 KB
03.txt AC 2 ms 256 KB
04.txt AC 2 ms 256 KB
05.txt AC 2 ms 256 KB
06.txt AC 2 ms 256 KB
07.txt AC 2 ms 256 KB
08.txt AC 2 ms 256 KB
09.txt AC 2 ms 256 KB
10.txt AC 2 ms 256 KB
11.txt AC 51 ms 640 KB
12.txt AC 50 ms 640 KB
13.txt AC 48 ms 640 KB
14.txt AC 49 ms 640 KB
15.txt AC 48 ms 640 KB
16.txt AC 49 ms 640 KB
17.txt AC 50 ms 640 KB
18.txt AC 19 ms 640 KB
19.txt AC 49 ms 640 KB
sample01.txt AC 1 ms 256 KB
sample02.txt AC 1 ms 256 KB