Submission #1115669

#	Time	Username	Problem	Language	Result	Execution time	Memory
1115669		staszic_ojuz	Stove (JOI18_stove)	C++17	100 / 100	20 ms	2512 KiB

stove

#include <bits/stdc++.h>
	using namespace std;
	using ll = long long;
	
	int main()
	{
		ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
		ll n,k,m;
		cin >> n >> k;
		vector<int>ciag,c2;
		for(int i=0;i<n;++i){
			cin >> m;
			ciag.push_back(m);
		}
		sort(ciag.begin(),ciag.end());
		int suma=0;
		for(int i=0;i<n-1;++i){
			c2.push_back(ciag[i+1]-ciag[i]);
			suma+=ciag[i+1]-ciag[i];
		}
		sort(c2.begin(),c2.end());
		/*for(int i=0;i<c2.size();++i){
			cout << c2[i] << ' ';
		}
		cout << suma << endl; */
		for(int i=n-2;i>n-1-k;--i){
			suma-=c2[i]-1;
		}
		cout << suma+1;
		return 0;
	}

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