View difference between Paste ID: BEgDNAhu and JTjQMfxr

 #include <assert.h>
 #include <stdlib.h>
 #include <time.h>
-int (* array_foo(void))[5][5][5] {
+
-    int(* arr)[5][5][5] = malloc(sizeof(int)*5*5*5);
+void * array_foo(int len1, int len2, int len3) {
     int(* arr)[len1][len2][len3] = malloc(sizeof(int)* len1 * len2 * len3);
-    for (i = 0; i < 5; i++) {
+
-        for (j = 0; j < 5; j++) {
+    for (i = 0; i < len1; i++) {
-            for (k = 0; k < 5; k++) {
+        for (j = 0; j < len2; j++) {
             for (k = 0; k < len3; k++) {
                 (*arr)[i][j][k] = i*j*k;
             }
         }
     }
     return arr;
 }
-    int (*arr)[5][5][5] = array_foo();
+
     srand(time(NULL));
     int len1 = rand() % 500;
-    for (i = 0; i < 5; i++) {
+    int len2 = rand() % 500;
-        for (j = 0; j < 5; j++) {
+    int len3 = rand() % 500;
-            for (k = 0; k < 5; k++) {
+    int (*arr)[len1][len2][len3] = array_foo(len1, len2, len3);
 
     int i, j, k;
     for (i = 0; i < len1; i++) {
         for (j = 0; j < len2; j++) {
             for (k = 0; k < len3; k++) {
                 assert((*arr)[i][j][k] == i*j*k);
             }
         }
     }
     free(arr);
     return 0;
 }