Submission #1033619

#	Time	Username	Problem	Language	Result	Execution time	Memory
1033619		ara_ara	Stove (JOI18_stove)	C++17	100 / 100	21 ms	3152 KiB

stove

#include <bits/stdc++.h>
#define int long long
using namespace std;
signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	int n,k;
	cin>>n>>k;
	int t[n+1];
	vector<int> v;
	for(int i=1;i<=n;i++) cin>>t[i];
	int res=t[n]-t[1]+1;
	for(int i=2;i<=n;i++)
		v.push_back(t[i]-t[i-1]-1);
	sort(v.begin(),v.end());
	reverse(v.begin(),v.end());
	for(int i=0;i<min(k,(int)v.size())-1;i++) res-=v[i];
	cout<<res;
}

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