Submission #557448

#	Time	Username	Problem	Language	Result	Execution time	Memory
557448		alextodoran	Stove (JOI18_stove)	C++17	100 / 100	20 ms	2384 KiB

stove

/**
 ____ ____ ____ ____ ____
||a |||t |||o |||d |||o ||
||__|||__|||__|||__|||__||
|/__\|/__\|/__\|/__\|/__\|

**/

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;



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

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

    vector <int> diff;
    for (int i = 0; i + 1 < N; i++) {
        diff.push_back(T[i + 1] - T[i] - 1);
    }
    sort(diff.begin(), diff.end(), greater <int> ());
    int answer = T[N - 1] - T[0] + 1;
    for (int i = 0; i < min(K - 1, (int) diff.size()); i++) {
        answer -= diff[i];
    }
    cout << answer << "\n";

    return 0;
}

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