OJ Board

Please, Help me ,
I am getting PE :lol: .


here is my code


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


#define max 3005

char str1[max+1][33],str2[max+1][33];

char ch[max+5];

int m,n,k,p,q;
short b[max+2][max+2],c[max+2][max+2];


void f1()
{
int i,j;
for(i=0,j=0;ch ;i++)
{
if ...