passing 2d array to function,error occurs

[Pardeep Bhatt]

#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <stdbool.h>
void func(int** a, int rows, int cols)
{
int i,j,t=0;
for(i=0;i<rows; i++)
for(j=0;j<cols; j++)
if(i==j)
{
if(a[i][j]==1)
continue;
else
{
t=1;
break;
}
}
else
{
if(a[i][j]==0)
continue;
else
{
t=1;
break;
}
}
if(t==0)
printf("It is an Identity matrix");
else
printf("Not Identity");

}
int main() {
/* Enter your code here. Read input from STDIN. Print output to STDOUT */int n,i,j,t=0;
scanf("%d",&n);
int a[n][n];
for(i=0;i<n;i++ )
for(j=0;j<n;j++ )
scanf("%d",&a[i][j]);
func(&a,n,n);
return 0;
}
[Error] cannot convert 'int (*)[n][n]' to 'int**' for argument '1' to 'void func(int**, int, int)'

[donbock]

Take a look at Arrays Revealed.