Submission #1231663

#	Time	Username	Problem	Language	Result	Execution time	Memory
1231663		antromancap	Stove (JOI18_stove)	C++20	100 / 100	12 ms	1096 KiB

stove

#include <bits/stdc++.h>

using namespace std;

const int N = 1e5 + 1;
int n, k, a[N], b[N];

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);

	cin >> n >> k;
	for (int i = 1; i <= n; i++) cin >> a[i];
	for (int i = 1; i < n; i++) b[i] = a[i + 1] - a[i] - 1;
	sort(b + 1, b + n, greater<int>());
	int res = a[n] + 1 - a[1];
	for (int i = 1; i < k; i++) res -= b[i];
	cout << res;
}

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