/in/foo.c: In function 'main':
/in/foo.c:31:28: warning: passing argument 3 of 'QuickSort' from incompatible pointer type [-Wincompatible-pointer-types]
     QuickSort(0,numsSize-1,&nums[0][0]);
                            ^
/in/foo.c:3:6: note: expected 'int **' but argument is of type 'int *'
 void QuickSort(int low,int high,int** intervals){
      ^~~~~~~~~