Submission #870984

#	Time	Username	Problem	Language	Result	Execution time	Memory
870984		marcid	Stove (JOI18_stove)	C++17	20 / 100	1 ms	348 KiB

stove

#include <bits/stdc++.h>
#define int long long
using namespace std;

signed main() {
	cin.tie(0)->sync_with_stdio(false);
	int n, k; cin >> n >> k;
	vector<pair<int,int>> a(n+1, {0,0});
	for (int i = 1; i <= n; i++) {
		cin >> a[i].second;
		a[i].first=abs(a[i-1].second-a[i].second)-1;
	}
	int sum = a[n].second-a[1].second+1;
	sort(a.rbegin(), a.rend());
	for (int i = 0; i < k-1; i++) {
		sum -= a[i].first; 
	} cout << sum;
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50