Problem Link: http://codeforces.com/contest/757/problem/B
Code:
#include<bits/stdc++.h>
using namespace std;
const long long N=100009;
long long ar[N];
int main()
{
long long i,n,c,x,ans,j;
//for(i=0;i<10;i++)
// cout<<ar[i]<<endl;
while(cin>>n)
{
for(i=0; i<n; i++)
{
cin>>x;
ar[x]++;
}
ans=1;
for(i=2;i<=N;i++)
{
c=0;
for(j=i;j<=N;j+=i)
c+=ar[j];
ans=max(ans,c);
}
cout<<ans<<endl;
}
return 0;
}
Code:
#include<bits/stdc++.h>
using namespace std;
const long long N=100009;
long long ar[N];
int main()
{
long long i,n,c,x,ans,j;
//for(i=0;i<10;i++)
// cout<<ar[i]<<endl;
while(cin>>n)
{
for(i=0; i<n; i++)
{
cin>>x;
ar[x]++;
}
ans=1;
for(i=2;i<=N;i++)
{
c=0;
for(j=i;j<=N;j+=i)
c+=ar[j];
ans=max(ans,c);
}
cout<<ans<<endl;
}
return 0;
}
No comments:
Post a Comment