Submission #1558500

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 1e5+1;
int n,a[N],cnt[N*2];
int main()
{
	cin>>n;
	for(int i=1;i<=n;++i)cin>>a[i];
	for(int i=1;i<=n;++i)cnt[a[i]+1]++;
	int ans=0;
	for(int i=0;i<=100001;++i)
	ans=max(ans,cnt[i]+cnt[i+1]+cnt[i+2]);
	cout<<ans;
}

Submission Info

Judge Result