Submission #572109

#	Time	Username	Problem	Language	Result	Execution time	Memory
572109		srlabib	Stove (JOI18_stove)	C++17	100 / 100	50 ms	2296 KiB

stove

#include<bits/stdc++.h>

using namespace std;

int main()
{
    int n,k;
    cin>>n>>k;
    vector<long long> a;
    int last;
    cin>>last;
    for(int i = 1; i<n; i++){
        int curr;
        cin>>curr;
        a.push_back(curr-last);
        last = curr;
    }
    sort(a.begin(),a.end());
    int ans = 1;
    for(int i = 0; i<n-k; i++){
        ans += a[i];
    }
    ans += k-1;
    cout<<ans<<endl;
}

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