Submission #915954

#	Time	Username	Problem	Language	Result	Execution time	Memory
915954		Matjaz	Stove (JOI18_stove)	C++14	100 / 100	34 ms	2140 KiB

stove

//
//  JOI18_STOVE.cpp
//  
//
//  Created by Matjaz Leonardis on 25/01/2024.
//

#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

int main(){
    int N,K;
    cin >> N >> K;
    vector<int> T(N);
    vector<int> gap(N - 1);
    for (int i=0;i<N;i++){
        cin >> T[i];
        if (i > 0) gap[i - 1] = T[i] - T[i-1] - 1;
    }
    int time_on = T[N-1] - T[0] + 1;
    int ngaps = K - 1;
    sort(gap.rbegin(), gap.rend());
    for (int i=0;i<ngaps;i++) time_on -= gap[i];
    cout << time_on << endl;
    
    return 0;
}

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