Submission #1228965

#	Time	Username	Problem	Language	Result	Execution time	Memory
1228965		who-read-is-dog	Stove (JOI18_stove)	C++20	100 / 100	34 ms	1836 KiB

stove

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 1e5 + 5;
vector<int> a(N);
vector<int> vcl(N);
priority_queue<int> pq;
int main(){
    int n, t; cin >> n >> t;
    for(int i = 1; i <= n; i++) cin >> a[i];
    int maxping = a[n] + 1 - a[1];
    for(int i = 2; i <= n; i++){
        vcl[i] = (a[i] - 1 - a[i - 1]);
        pq.push(vcl[i]);
    }
    for(int i = 0; i < t - 1 and !pq.empty(); i++){
        maxping -= pq.top();
        pq.pop();
    }
    cout << maxping;
}

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