Submission #633747

#	Time	Username	Problem	Language	Result	Execution time	Memory
633747		tvladm2009	Stove (JOI18_stove)	C++14	100 / 100	46 ms	1720 KiB

stove

#include <iostream>
#include <algorithm>
 
using namespace std;
 
const int MAX_N = 1e5;
int a[MAX_N + 1];
int n, k;
 
int main() {
    int ant;
    cin >> n >> k >> ant;
    for (int i = 2; i <= n; i++) {
        int x;
        cin >> x;
        a[i - 1] = x - ant - 1;
        ant = x;
    }
    sort(a + 1, a + n);
    int answer = 0;
    for (int i = 1; i <= n - k; i++) {
        answer += a[i];
    }
    cout << answer + n;
    return 0;
}

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