Submission #106873

#	Time	Username	Problem	Language	Result	Execution time	Memory
106873		FiloSanza	Stove (JOI18_stove)	C++14	100 / 100	34 ms	2432 KiB

stove

#include <bits/stdc++.h>

using namespace std;

int main(){
    cin.tie(0);
    cin.sync_with_stdio(0);

    int N, K;
    int ans = 0;
    cin >> N >> K;

    vector<int> v(N);
    for(auto &i : v) cin >> i;
    sort(v.begin(), v.end());

    ans = v.back() - v.front() + 1;
    priority_queue<int> diff;

    for(int i=1; i<N; i++) diff.push(v[i]-v[i-1]-1);

    while(--K && !diff.empty())
        ans -= diff.top(), diff.pop();
    cout << ans;
}

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