Submission #656999

#	Time	Username	Problem	Language	Result	Execution time	Memory
656999		mdub	Stove (JOI18_stove)	C++14	100 / 100	58 ms	2036 KiB

stove

#include <bits/stdc++.h>

using namespace std;

int main () {
	int n, k;
	cin >> n >> k;
	vector<int> a(n);
	for (int i = 0; i < n; i++) {
		cin >> a[i];
	}
	sort(a.begin(), a.end());
	vector<int> espaces(n- 1);
	for (int i = 1; i < n; i++) {
		espaces[i-1] = a[i]-a[i- 1] - 1;
	}
	sort(espaces.begin(), espaces.end());
	int ans= a[n - 1]+1-a[0];
	for (int i = n - 2; i > n - 2 - (k -1); i--) {
		ans -= espaces[i];
	}
	cout << ans << endl;
}

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