// Variable length arrays

#include <stdio.h>

int main( int argc, char* argv[] )
{
   int M = 2;
   int N = 3;

   double a[M][N];     // 2-dim variable length array 
   int    i, j;

   for ( i = 0; i < M; i++ )
      for ( j = 0; j < N; j++ )
         a[i][j] = 10*i+j;

   for ( i = 0; i < M; i++ )
      for ( j = 0; j < N; j++ )
          printf( "a[%d][%d] = %lf\n", i, j, a[i][j] );
}