Submission #1033626

#	Time	Username	Problem	Language	Result	Execution time	Memory
1033626		KhoaDuy	Stove (JOI18_stove)	C++14	100 / 100	15 ms	2268 KiB

stove

#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define int long long
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n,k;
    cin >> n >> k;
    int t[n+1];
    int ans=0;
    for(int i=1;i<=n;i++){
        cin >> t[i];
    }
    ans=t[n]-t[1]+1;
    vector<int> curr;
    for(int i=1;i<n;i++){
        curr.push_back(t[i+1]-t[i]-1);
    }
    sort(curr.begin(),curr.end(),greater<int>());
    for(int i=0;i<k-1;i++){
        ans-=curr[i];
    }
    cout << ans;
}

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