Submission #1308354

#	Time	Username	Problem	Language	Result	Execution time	Memory
1308354		wangzhiyi33	Stove (JOI18_stove)	C++20	100 / 100	37 ms	2640 KiB

stove

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

signed main(){
    int n,k;
    cin>>n>>k;
    int a[n+1];
    for(int q=1;q<=n;q++){
        cin>>a[q];
    }
    vector<int>cek;
    for(int q=1;q<n;q++){
        int has=a[q+1]-a[q]-1;
        cek.push_back(has);
    }
    int ans=a[n]-a[1]+1;
    sort(cek.rbegin(),cek.rend());

    for(int q=0;q<k-1;q++){
        ans-=cek[q];
    }
    cout<<ans<<endl;
}

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