Submission #966821

#	Time	Username	Problem	Language	Result	Execution time	Memory
966821		vjudge1	Stove (JOI18_stove)	C++17	100 / 100	21 ms	2384 KiB

stove

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

using namespace std;

const int inf = -1e18;

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int n , kib; cin >> n >> kib;
    priority_queue < int > q;

    int a[n];
    int cavab=n;
    for(int i = 0;i < n;i++)
    {
        cin >> a[i];
        if(i > 0)
        {
            cavab+=a[i]-(a[i-1]+1);
            q.push(a[i]-(a[i-1]+1));
        }
    }

    if(n==kib)
    {
        cout << n;
        return 0;
    }

    while(kib>1)
    {
        cavab-=q.top();
        q.pop();
        kib--;
    }
    cout << cavab;
}

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