Submission #743037

#	Time	Username	Problem	Language	Result	Execution time	Memory
743037		nnin	Stove (JOI18_stove)	C++14	100 / 100	23 ms	1856 KiB

stove

#include<bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define f first
#define s second
using namespace std;

int n, k;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin>>n>>k;
    priority_queue<int, vector<int>, greater<int>> pq;
    int last;
    cin>>last;
    for(int i=1;i<n;i++) {
        int cur;
        cin>>cur;
        pq.push(cur-last-1);
        last = cur;
    }
    int ans = n;
    for(int i=0;i<n-k;i++) {
        ans += pq.top();
        pq.pop();
    }
    cout<<ans;
}

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