Why is my multi-dimensional dynamic allocation in C not working?

I have been trying to figure out the problem with my allocation and use of a multidimensional dynamically allocated array in C. I'd really appreciate any help.

I've tried two approaches. The first:

cdr = (double ***) malloc(NUM_REGIONS * sizeof(double **));
for(i=0; i<NUM_REGIONS; i++){
   cdr[i] = (double **) malloc(numRatings * sizeof(double *));
   for(j=0; j<numRatings; j++){
       cdr[i][j] = (double *) malloc(remQuarters * sizeof(double));
   }
}

And the second:

tempPtr1 = (double *) malloc(NUM_REGIONS * numRatings * remQuarters * sizeof(double) );
tempPtr2 = (double **) malloc (NUM_REGIONS * numRatings * sizeof(double *));
cdr = (double ***) malloc(NUM_REGIONS * sizeof(double **));
for(i=0; i< NUM_REGIONS; i++){
    cdr[i] = tempPtr2 + i;
    for(j=0; j < numRatings; j++) cdr[i][j] = tempPtr1 + i * NUM_REGIONS + j;
}

Neither is working. In both cases, each cdr[i] ends up pointing to the same place. The first time I step into the 'i' loop, all cdr[i] (i.e. cdr[0], cdr[1], cdr[2], etc.) get set to the same value. Subsequent loops then don't change any of them.

I suspect there's something going on with operator precedence or I'm dereferencing wrong, but I haven't been able to figure it out.

Thanks.

UPDATE

I put together the following simplified code, which seems to work fine. But while the output is completely as expected, I'm still getting the same weird behaviour as I step through it in the debugger. I'm starting to think the fundamental problem with my code might be elsewhere, and I've just been diverted by issues with the debugger (or probably just with my misunderstanding of the output). Is there a known reason why a watch on 'cdr[0]', 'cdr[1]', etc. in Visual Studio wouldn't show what I'm expecting it to show?

#include "stdafx.h"
#include "stdio.h"
#include "stdlib.h"

#define NUM_REGIONS 50


void printArray(double *inVec, int len){
    int i;
    for(i=0; i<len; i++) printf("%f\t",inVec[i]);
    printf("\n");
}

int main(array<System::String ^> ^args){

    int numRatings = 25, remQuarters = 100, i, j, k;
    double ***cdr;
    char dummy;

    cdr = (double ***) malloc(NUM_REGIONS * sizeof(double **)); 
    for(i=0; i<NUM_REGIONS; i++){ 
        cdr[i] = (double **) malloc(numRatings * sizeof(double *)); 
        for(j=0; j<numRatings; j++){ 
            cdr[i][j] = (double *) malloc(remQuarters * sizeof(double)); 
        } 
    }

    for(i=0; i<NUM_REGIONS; i++){
        for(j=0; j<numRatings; j++){
            for(k=0; k<remQuarters; k++){
                cdr[i][j][k] = 100*i + 10*j +k;
            }
        }
    }

    for(i=0; i<5; i++) printf("%f\t",cdr[1][1][i]);
    printf("\n");
    for(i=0; i<5; i++) printf("%f\t",cdr[3][1][i]);
    printf("\n");
    for(i=0; i<5; i++) printf("%f\t",cdr[1][3][i]);
    printf("\n");
    for(i=0; i<5; i++) printf("%f\t",cdr[i][i][i]);
    printf("\n");
    printArray(cdr[1][1], 5);
    printArray(cdr[3][3], 5);

    scanf("%c", &dummy);
    return 0;
}

Thanks again for all the feedback.

Solution

It turns out that the code as written worked (though it did have room for style improvements, as several people pointed out). I tracked the real problem in my code to some file input that was too big for the buffer (which is a lesson for me in error checking).

The debugger gave some weird output that had me focusing on this part of the code. I still don't understand why my debugger is doing this when others aren't, but I'll deal with that another day.