Submission #1340836

#	Time	Username	Problem	Language	Result	Execution time	Memory
1340836		monpluk	Stove (JOI18_stove)	C++20	100 / 100	39 ms	1184 KiB

stove

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

int main(){
    int n,k,ans=0;
    cin >> n >> k;
    ans += n;
    int t[n],d[n-1];
    for(int i=0;i<n;i++){
        cin >> t[i];
    }
    for(int i=1;i<n;i++){
        d[i-1] = t[i]-t[i-1]-1;
        ans += d[i-1];
    }
    sort(d,d+n-1);
    reverse(d,d+n-1);
    for(int i=0;i<k-1;i++){
        ans -= d[i];
    }
    cout << ans;
}

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