OJ Board

Could somebody give me some test data
or tell me the error in the code?
I cannot find. Thanks a lot.

#include<stdio.h>

int main()
{
char input[10000];
int i, j;
int temp;

while( fgets(input, 10000, stdin) )
{
i=0;
temp=0;

while(input !='\0')
{
if( ( input >=65 && input <=90 ...