Submission #336821

#	Time	Username	Problem	Language	Result	Execution time	Memory
336821		aanji	Stove (JOI18_stove)	C++17	100 / 100	57 ms	6380 KiB

stove

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

void solve() {
    int n, k; cin >> n >> k;
    vector<int> t(n);
    multiset<int> x;
    cin >> t[0];
    for (int i = 1; i < n; i++) {
        cin >> t[i];
        x.insert(t[i] - t[i - 1] - 1);
    }
    int r = t[n - 1] - t[0] + 1;
    for (int i = 1; i < k; i++) {
        r -= *x.rbegin();
        x.erase(prev(x.end()));
    }
    cout << r << endl;
}

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

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