Submission #1108107

#	Time	Username	Problem	Language	Result	Execution time	Memory
1108107		rixiepixie	Stove (JOI18_stove)	C++17	100 / 100	17 ms	2508 KiB

stove

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

signed main()
{
    cin.tie(0);
    ios_base::sync_with_stdio(false);
    ///
    int n, k;
    cin >> n >> k;
    vector<int> t(n);
    for (int i = 0; i < n; i++) cin >> t[i];
    vector<int> gaps;
    for (int i = 0; i < n - 1; i++) {
        int gap = t[i + 1] - (t[i] + 1);
        gaps.push_back(gap);
    }
    sort(gaps.begin(), gaps.end());
    int total_time = n;
    for (int i = 0; i < n - k; i++) {
        total_time += gaps[i];
    }
    cout << total_time << endl;
}

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