OJ Board

Though it is the easy one..but i'm getting WA.. Could anyone plz help me by giving some difficult test case.Plzz help..Thanks in advance

Why this is getting WA??I cant find the bugs :cry:

#include<stdio.h>
#include<string.h>

void reverse(char *s){
int i,j,c;
for(i = 0,j = strlen(s)-1;i<j;i++,j--){
c = s[i];
s[i] = s[j];
s[j] = c;
}
}

void main(){
int c,i = 0,flag = 0;
char arr[500];
while((c = getchar())!=EOF){
if(c ...

Thnx...I got AC

Why this is getting wrong answer????
[/code]
#include<stdio.h>
#include<stdlib.h>

int bitcount(unsigned long n){
int count = 1;
while((n/=2)!=0){
count++;
}
return count;
}

void main(){
unsigned long x,y,temp;
int *in1,*in2;
int len1,len2,len,i,carry,count;
while(scanf("%u %u",&x,&y ...