Submission #1290441

#	Time	Username	Problem	Language	Result	Execution time	Memory
1290441		ayeman	Stove (JOI18_stove)	C++20	100 / 100	15 ms	2364 KiB

stove

#include <bits/stdc++.h>
#define int long long int

using namespace std;

int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int n,k;cin>>n>>k;
    int d[n];for(int i=0;i<n;i++)cin>>d[i];
    vector<int>d1;
    for(int i=0;i<n-1;i++){
            d1.push_back(d[i+1]-d[i]-1);
    }
    sort(d1.rbegin(),d1.rend());
    int ans=d[n-1]+1 - d[0];
    for(int i=0;i<k-1;i++){
        ans-=d1[i];
    }
    cout<<ans;


    return 0;
}

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