Submission #638326

#	Time	Username	Problem	Language	Result	Execution time	Memory
638326		JJAnawat	Stove (JOI18_stove)	C++14	100 / 100	20 ms	2172 KiB

stove

#include<bits/stdc++.h>

using namespace std;

int n,k;
int ar[100005];
vector<int> v;

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

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

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