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#include<stdio.h>
#include<stdlib.h>
#include<math.h>

class file_name
{
public:
char name[60];
void init();
void check();
int get_chk();
int length();
private:
int chk;
};
void file_name::init(){chk=0;}
int file_name::get_chk(){return chk;}
void file_name::check(){chk=1;}
int file_name ...

Your program has died with signal 8 (SIGFPE). Meaning:

Floating point exception

Before crash, it ran during 0.002 seconds.
---------------------
the code executes with the sample inputs given.
but when i submit it it returns the above exception.
would someone tell me when this happens plz?
thnx

i dont know how should i determine endof inouts with standard inputoutput.
please help me