ptu jalandhar code example
Example: ptu jalandhar
#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
int main() {
int n,k,max = 0;
cin>>n;
int a[100]={0};
for(int i = 0;i<n;i++){
cin>>k;
a[k]++;
}
for(int i = 0;i<n-1;i++)
{
if(a[i]+a[i+1]> max)
max = a[i]+a[i+1];
}
cout<<max;
return 0;
}