Submission #311471

#	Time	Username	Problem	Language	Result	Execution time	Memory
311471		tevdore	K blocks (IZhO14_blocks)	C++14	0 / 100	1 ms	256 KiB

blocks

#include<bits/stdc++.h>
using namespace std;
const int N = 2e6 + 10;
long long n, k, ans;
long long a[N];
int main() {
    cin >> n >> k;
    for(int i = 1; i <= n; i++) cin >> a[i];
    for(int i = 1; i < k; i++) ans += a[i];
    ans += a[n];
    cout << ans << "\n";
}

• Subtask 1: 0 / 14
• Subtask 2: 0 / 18
• Subtask 3: 0 / 21
• Subtask 4: 0 / 47