Submission #1163092

#	Time	Username	Problem	Language	Result	Execution time	Memory
1163092		boclobanchat	Stove (JOI18_stove)	C++20	100 / 100	12 ms	1096 KiB

stove

#include<bits/stdc++.h>
using namespace std;
const int MAXN=1e5+5;
int D[MAXN],A[MAXN];
int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int n,k;
	cin>>n>>k;
	for(int i=1;i<=n;i++) cin>>A[i];
	sort(A+1,A+n+1);
	for(int i=1;i<n;i++) D[i]=A[i+1]-A[i];
	sort(D+1,D+n,greater<int>());
	int ans=A[n]-A[1]+1;
	for(int i=1;i<k;i++) ans-=D[i]-1;
	cout<<ans;
}

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