hdu Big Number
#include <cstdio>
#include <cstring>
#include <cmath>
using namespace std; int main()
{
int t,n;
scanf("%d",&t);
while(t--)
{
scanf("%d",&n);
double sum=;
for(int i=; i<=n; i++)
{
sum+=log10((double)i);
}
printf("%d\n",(int)sum+);
}
return ;
}
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