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i got wrong answer but i don't find my fault .......................
pls help me..............
here is my code.....

#include<stdio.h>
long long int fact(long long int n)
{
if(n==0)
return 1;
else
return (n*fact(n-1));
}
int main()
{
long long int a;
while(scanf("%lld",&a)!=EOF)
{
if(a<0&&a ...