Submission #591957

#	Time	Username	Problem	Language	Result	Execution time	Memory
591957		Mahtimursu	Stove (JOI18_stove)	C++17	100 / 100	53 ms	2280 KiB

stove

#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

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

    return 0;
}

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