Submission #1260477

#	Time	Username	Problem	Language	Result	Execution time	Memory
1260477		Megalosaurus	Stove (JOI18_stove)	C++20	100 / 100	30 ms	2308 KiB

stove

#include <bits/stdc++.h>

using namespace std;

#define int long long
#define fastio ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);

signed main()
{
	int n, k;
	cin >> n >> k;
	vector<int>x, v(n);
	for(int i = 0; i < n; i++)
	{
		cin >> v[i];
		if(i) x.push_back(v[i]-v[i-1]-1);
	}
	sort(x.begin(), x.end());
	int sum = 0;
	for(int i = 0; i < n-k; i++) sum += x[i];
	cout << sum+n;
    return 0;
}

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