Submission #777222

#	Time	Username	Problem	Language	Result	Execution time	Memory
777222		JoenPoenMan	Stove (JOI18_stove)	C++17	100 / 100	43 ms	1648 KiB

stove

#include <bits/stdc++.h>

using namespace std;


vector<int> pauses;

int main() {
    int N, K;
    cin >> N >> K;
    pauses.resize(N-1);
    int curr, prev, time = N;
    cin >> prev;
    for (int i = 0; i < N-1; i++) {
        cin >> curr;
        pauses[i] = curr - prev - 1;
        prev = curr;
    }    
    sort(pauses.begin(), pauses.end());
    for (int i = 0; K+i < N; i++) {
        time += pauses[i];
    }
    cout << time << endl;
    
    return 0;
}

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