Submission #719467


Source Code Expand

#include <iostream>
#include <vector>
using namespace std;

int main() {
	int n,k;
	cin >> n >> k;
	vector<int> a;
	for (int i = 0; i < n; ++i) {
		int x;
		cin >> x;
		a.push_back(x);
	}
	long long int s = 0;
	for (int i = 0; i < k; ++i) s += a[i];
	long long int S = s;
	for (int i = 1; i <= n - k; ++i) S += (s += -a[i-1] + a[i+k-1]);
	cout << S << endl;
	return 0;
}

Submission Info

Submission Time
Task C - 総和
User nahcnuj
Language C++14 (GCC 5.4.1)
Score 100
Code Size 391 Byte
Status AC
Exec Time 74 ms
Memory 892 KB

Judge Result

Set Name sample subtask1 subtask2
Score / Max Score 0 / 0 50 / 50 50 / 50
Status
AC × 2
AC × 2
AC × 22
Set Name Test Cases
sample sample01.txt, sample02.txt
subtask1 00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 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
Case Name Status Exec Time Memory
00.txt AC 5 ms 256 KB
01.txt AC 4 ms 256 KB
02.txt AC 5 ms 256 KB
03.txt AC 5 ms 256 KB
04.txt AC 5 ms 256 KB
05.txt AC 5 ms 256 KB
06.txt AC 5 ms 256 KB
07.txt AC 5 ms 256 KB
08.txt AC 5 ms 256 KB
09.txt AC 5 ms 256 KB
10.txt AC 5 ms 256 KB
11.txt AC 71 ms 892 KB
12.txt AC 73 ms 892 KB
13.txt AC 71 ms 892 KB
14.txt AC 70 ms 892 KB
15.txt AC 71 ms 892 KB
16.txt AC 70 ms 892 KB
17.txt AC 73 ms 892 KB
18.txt AC 34 ms 892 KB
19.txt AC 74 ms 892 KB
sample01.txt AC 4 ms 256 KB
sample02.txt AC 5 ms 256 KB