2D-array access of raw data

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

typedef char Matrix[10][10];

int main(){
   Matrix *p;
   char *data = malloc(100);
   int i, j;

   for (i = 1; i <= 100; ++i)
      data[i-1] = (char)i;

   p = data;

   for (i = 0; i < 10; ++i){
      for (j = 0; j < 10; ++j)
         printf("%4d", (*p)[i][j]);
      printf("\n");
   }

   free(data);
   return 0;
}