Submission #1033534

#	Time	Username	Problem	Language	Result	Execution time	Memory
1033534		sp69t	Stove (JOI18_stove)	C++14	100 / 100	13 ms	2220 KiB

stove

#include<bits/stdc++.h>
#define endl "\n"
using namespace std;

void solve() {
    int n, k;
    cin >> n >> k;
    vector<int> a(n), s(n - 1);
    for (int i = 0; i < n; ++i) cin >> a[i];
    long long total_time = a[n - 1] - a[0] + 1;
    for (int i = 0; i < n - 1; ++i) s[i] = a[i + 1] - a[i] - 1;
    sort(s.begin(), s.end(), greater<int>());
    for (int i = 0; i < k - 1; ++i) total_time -= s[i];
    cout << total_time << endl;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    solve();
    return 0;
}

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