Submission #1091611

#	Time	Username	Problem	Language	Result	Execution time	Memory
1091611		anmattroi	Stove (JOI18_stove)	C++14	100 / 100	19 ms	2208 KiB

stove

#include <bits/stdc++.h>

using namespace std;

int t[100001];
int a[100001];
int n, k, m = 0;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(NULL);

    cin >> n >> k;
    for (int i = 1; i <= n; i++) cin >> t[i];
    for (int i = 1; i < n; i++) a[++m] = (t[i+1] - (t[i]+1));
    int s = t[n]+1 - t[1];
    sort(a + 1, a + m + 1);
    reverse(a + 1, a + m + 1);
    for (int i = 1; i < k; i++) s -= a[i];
    cout << s;
}

• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 50 / 50