제출 #1150010

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1150010		tvgk	Stove (JOI18_stove)	C++20	100 / 100	11 ms	1096 KiB

stove

#include<bits/stdc++.h>
using namespace std;
#define task "a"
#define se second
#define fi first
#define ll long long
#define ii pair<ll, ll>
const long mxN = 1e5 + 7;

int n, k, a[mxN], b[mxN];

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    //freopen(task".INP", "r", stdin);
    //freopen(task".OUT", "w", stdout);

    cin >> n >> k;
    a[0] = 0;
    for (int i = 1; i <= n; i++)
    {
        cin >> a[i];
        b[i] = a[i] - a[i - 1];
    }
    sort(b + 2, b + n + 1, greater<int>());

    int ans = a[n];
    for (int i = 1; i <= k; i++)
        ans = ans - b[i] + 1;
    cout << ans;
}

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