Submission #1096599

#	Time	Username	Problem	Language	Result	Execution time	Memory
1096599		Braulinho	Stove (JOI18_stove)	C++17	100 / 100	31 ms	2908 KiB

stove

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

int main() {
    ll n, t;
    cin >> n >> t;

    vector<ll> a(n);
    for(int i = 0; i < n; i++) {
        cin >> a[i];
    }

    vector<ll> gap(n - 1);
    for(int i = 1; i < n; i++) {
        gap[i - 1] = a[i] - a[i - 1] - 1;
    }

    sort(gap.begin(), gap.end(), greater<int>());

    int ans = a[n - 1] - a[0] + 1;

    for(int i = 0; i < t - 1; i++) {
        ans -= gap[i];
    }

    cout << ans << endl;

    return 0;
}

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