0

```
#include<stdio.h>
#include<conio.h>
#include<string.h>
//typedef int BOOL;
//#define TRUE 1
//#define FALSE 0
int a[3][4];
int Prime(int *x);
void input();
void printOut();
void checkPrime();
int Prime(int *x)
{
int i;
for( i=2; i< (int)sqrt(*x); i++ )
{
if( *x%i == 0 )
return 0;
}
return 1;
}
void input()
{ int i,j;
printf("Enter element for matrix: \n");
for(i=0; i<3; i++)
for(j=0; j<4; j++)
{
printf("element a[%d][%d]: ",i,j);
scanf("%d",&a[i][j]);
}
}
void printOut()
{
int i,j;
for(i=0; i<3; i++)
{
printf("\n");
for(j=0; j<4; j++)
printf(" %d ",a[i][j]);
}
}
void checkPrime()
{
int i,j;
printf("\nMatrix after check Prime\n");
for(i=0; i<3; i++)
{
printf("\n");
for(j=0; j<4; j++)
{
if( Prime(&a[i][j]) )
printf(" %d(pr) ",a[i][j]);
else
printf(" %d ",a[i][j]);
}
}
}
int main()
{
input();
printOut();
checkPrime();
getch();
return 0;
}
```

My source code does not work properly everytime.

I have not found where the mistake was

Please help me

Thanks a lot!