Submission #317769

#	Time	Username	Problem	Language	Result	Execution time	Memory
317769		miss_robot	Stove (JOI18_stove)	C++14	100 / 100	23 ms	3068 KiB

stove

#include <bits/stdc++.h>

#pragma GCC optimize("O3")
#define int long long

using namespace std;

signed main(){
	cin.tie(0);
	ios::sync_with_stdio(0);
	int n, k, sol;
	cin >> n >> k;
	sol = n;
	vector<int> t(n), d;
	for(int &x : t) cin >> x;
	for(int i = 1; i < n; i++)
		d.push_back(t[i]-t[i-1]-1);
	sort(begin(d), end(d));
	for(int i = 0; i < n-k; i++) sol += d[i];
	cout << sol << "\n";
}

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