Submission #472937

#	Time	Username	Problem	Language	Result	Execution time	Memory
472937		dron_rp	Stove (JOI18_stove)	C++14	100 / 100	23 ms	2076 KiB

stove

#include <bits/stdc++.h>
using namespace std;

using ll = long long;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, k;
    cin >> n >> k;
    vector<int> a(n);
    for (int i = 0; i<n; i++){
        cin >> a[i];
    }
    vector<int> gapSize(n-1);
    for (int i = 0; i<n-1; i++){
        gapSize[i] = a[i+1]-a[i]-1;
    }
    sort(gapSize.rbegin(), gapSize.rend());
    int ans = a[n-1]+1 - a[0];
    for (int i = 0; i<k-1; i++){
        ans -= gapSize[i];
    }
    cout << ans << "\n";  
}

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