Submission #1033645

#	Time	Username	Problem	Language	Result	Execution time	Memory
1033645		coin_	Stove (JOI18_stove)	C++14	100 / 100	21 ms	2412 KiB

stove

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

signed main(){
    cin.tie(nullptr) -> sync_with_stdio(0);
    int n, k;
    cin >> n >> k;
    priority_queue<int> pq;
    vector<int> t(n+5);
    for (int i = 1; i <= n; i++){
        cin >> t[i];
    }
    for (int i = 2; i <= n; i++){
        pq.push(t[i] - t[i-1] - 1);
    }
    k--;
    int ans = t[n] - t[1] + 1;
    while(!pq.empty() && k){
        ans -= pq.top();
        pq.pop();
        k--;
    }
    cout << ans;
}

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