Submission #1105790

#	Time	Username	Problem	Language	Result	Execution time	Memory
1105790		YouKnowCipher	Stove (JOI18_stove)	C++17	0 / 100	1 ms	440 KiB

stove

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

#define int long long int

int32_t main () {
    int n, k;
    cin >> n >> k;
    vector<int> v(n), res(n - 1);
    for (int i = 0; i < n; i++) {
        cin >> v[i];
    }
    for (int i = 1; i < n; i++) {
        res[i - 1] = v[i] - v[i - 1] - 1;
    }
    sort(res.begin(), res.end(), greater<int>());
    int cost = 0;
    for (int i = 0; i < k - 1; i++) {
        cost += res[i];
    }
    cout << max(n, *max_element(v.begin(), v.end()) - cost) << endl;
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50