Submission #1329782

#	Time	Username	Problem	Language	Result	Execution time	Memory
1329782		kasamchi	Stove (JOI18_stove)	C++20	100 / 100	14 ms	1480 KiB

stove

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

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    
    int N, K;
    cin >> N >> K;

    vector<int> T(N);
    for (int i = 0; i < N; i++) {
        cin >> T[i];
    }

    vector<int> diff;
    for (int i = 1; i < N; i++) {
        diff.push_back(T[i] - T[i - 1] - 1);
    }
    sort(diff.begin(), diff.end(), greater<>());

    int ans = T[N - 1] - T[0] + 1;
    for (int i = 0; i + 1 < K; i++) {
        ans -= diff[i];
    }
    cout << ans << '\n';
}

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