Submission #1298451

#	Time	Username	Problem	Language	Result	Execution time	Memory
1298451		khanhphucscratch	Stove (JOI18_stove)	C++20	100 / 100	14 ms	1484 KiB

stove

#include<bits/stdc++.h>
using namespace std;
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n, k; cin>>n>>k;
    vector<int> t(n);
    for(int i = 0; i < n; i++) cin>>t[i];
    int ans = t[n-1] - t[0] + 1;
    vector<int> a;
    for(int i = 1; i < n; i++) a.push_back(t[i] - t[i-1] - 1);
    sort(a.begin(), a.end(), greater<int>());
    for(int i = 0; i < k-1; i++) ans -= a[i];
    cout<<ans;
}

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