fork download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. void check(int num, int **points){
  5. 	int (*format)[4] = (int (*)[4])malloc(sizeof(int[num][4])); //fixed
  6. 	for (int idx=0; idx < num; idx++){
  7. 		for (int jdx = 0; jdx < 4; jdx++)
  8.                 format[idx][jdx] = points[idx][jdx];
  9. 	}
  10. 	cout << points[2][3]<<"\n";
  11. 	cout << format[3][3];
  12. }
  13.  
  14. int main() {
  15.     int r = 3, c = 4, i, j, count; 
  16.  
  17.     int **arr = (int **)malloc(r * sizeof(int *)); 
  18.     for (i=0; i<r; i++) 
  19.          arr[i] = (int *)malloc(c * sizeof(int)); 
  20.  
  21.     count = 0; 
  22.     for (i = 0; i <  r; i++) 
  23.       for (j = 0; j < c; j++) 
  24.          arr[i][j] = ++count; 
  25.  
  26. 	check(r, arr); //these are fixed
  27. 	return 0;
  28. }
Success #stdin #stdout 0s 4264KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
12
0
https://ideone.com/etDQMh
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!