OJ Board

[/code]#include<stdio.h>
#include<math.h>
int main()
{
long int dem,n,i,kase,j;
scanf("%ld",&kase);
for(j=0;j<kase;j++)
{
scanf("%ld",&n);
dem=n/2;
long long int res=0;
for(i=1;i<=dem;i++)
res+=n/i;
res=res+(n-dem);
printf("%lld\n",res);
}
return 0;
}


i got time limit error.. whats ...