Submission #1287750

#	Time	Username	Problem	Language	Result	Execution time	Memory
1287750		North1304	Stove (JOI18_stove)	C++20	100 / 100	14 ms	1076 KiB

stove

#include <bits/stdc++.h>
using namespace std;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);
    int n,k;
    cin >> n >> k;
    vector<int> vec;
    int last;
    cin >> last;
    for (int i=1;i<n;i++) {
        int now;
        cin >> now;
        vec.push_back(now - last - 1);
        last = now;
    }
    sort(vec.begin(), vec.end());
    int ans = n;
    for (int i=0;i<n-k;i++) ans += vec[i];
    cout << ans;
    return 0;
}

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