Submission #1017861

#	Time	Username	Problem	Language	Result	Execution time	Memory
1017861		vjudge1	Stove (JOI18_stove)	C++17	100 / 100	41 ms	2372 KiB

stove

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

signed main() {
    int n, k;
    cin >> n >> k;
    vector<int> v(n);
    for(int i = 0; i < n; i++) {
        cin >> v[i];
    }
    vector<int> off;
    for(int i = 0; i + 1 < n; i++) {
        off.push_back(v[i + 1] - v[i] - 1);
    }
    sort(off.rbegin(), off.rend());
    k--;
    int ans = v[n - 1] + 1 - v[0];
    for(int i = 0; i < k; i++) {
        ans -= off[i];
    }
    cout << ans;
}

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