Submission #1328572

#	Time	Username	Problem	Language	Result	Execution time	Memory
1328572		hahaha	Stove (JOI18_stove)	C++20	100 / 100	41 ms	1556 KiB

stove

 
#include <bits/stdc++.h>
using namespace std;
int n,mat;
vector<int> a;

int main()
{   cin>>n>>mat;
    for(int i=0; i<n; i++){
        int t;
        cin>>t;
        a.push_back(t);
    }
    sort(a.begin(), a.end()); 
    vector<int>k;
    for(int i=1; i<n; i++)
        k.push_back(a[i]-a[i-1]-1);

    sort(k.begin(), k.end());
    reverse(k.begin(), k.end()); 
    mat=min(mat-1, n);
    int i=0; 
    int ans=a[n-1]+1-a[0]; 
    while(mat--){
        ans=ans-k[i++];
    }
    cout<<ans<<endl;
   
    
    return 0;
}

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