Submission #1116453

#	Time	Username	Problem	Language	Result	Execution time	Memory
1116453		heey	Stove (JOI18_stove)	C++14	100 / 100	17 ms	2992 KiB

stove

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

signed main(){
    ios_base::sync_with_stdio(0); cin.tie(0);
    int n, k; cin >> n >> k;
    vector<int> t(n);

    for(int i = 0; i < n; i++) cin >> t[i];

    vector<int> df(n-1);
    for(int i = 0; i < n - 1; i++) df[i] = t[i + 1] - t[i] - 1;

    sort(df.begin(), df.end());

    int res = 0;
    for(int i = 0; i < n - k; i++){
        res += df[i];
    }
    cout << n + res << '\n';
    return 0;
}

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