OJ Board

#include<stdio.h>
#include<math.h>
int main()
{

long long int t,k,n,i,j,l,m,a,b,c;
while(scanf("%lld",&t)!=EOF)
{
for(k=1;k<=t;k++)
{
scanf("%lld",&n);
if(n<=0)printf("\n");
else
{
j=sqrt(n);
l=n;
b=n;
for(i=2;i<=j;i++)
{
a=(n/i);
c=b-a;
l=l+(c*(i-1));
l=l+(n/i);
b=a;
}

for ...