Submission #329610

#	Time	Username	Problem	Language	Result	Execution time	Memory
329610		Alex_tz307	Stove (JOI18_stove)	C++17	100 / 100	21 ms	2416 KiB

stove

#include <bits/stdc++.h>

using namespace std;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int N, K;
    cin >> N >> K;
    vector < int > a(N + 1);
    for(int i = 1; i <= N; ++i)
        cin >> a[i];
    vector < int > v;
    for(int i = 2; i <= N; ++i)
        v.emplace_back(a[i] - a[i - 1] - 1);
    sort(v.begin(), v.end());
    int ans = a[N] + 1 - a[1];
    while(--K) {
        ans -= v.back();
        v.pop_back();
    }
    cout << ans;
}

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