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  1. #include "stdio.h"
  2.  
  3. void print(int *arr);
  4. void print2D(int *arr);
  5.  
  6. int main() {
  7.     int data[5] = {1, 2, 3, 4, 5}; //initialize b
  8.     print(data);
  9.  
  10.     int data2D[5][5];
  11.     for (int i = 0; i < 5; i++) {
  12.         for (int j = 0; j < 5; j++) {
  13.             data2D[i][j] = (i + 1) * 10 + (j + 1);
  14.         }
  15.     }
  16.     print2D(data2D[0]);
  17. }
  18.  
  19. void print(int *arr) {  
  20.     for(int i = 0; i < 5; i++) {
  21.         printf("%d\n", arr[i]);
  22.     }
  23. }
  24.  
  25. void print2D(int *arr) {  
  26.     for (int i = 0; i < 5; i++) {
  27.         for (int j = 0; j < 5; j++) {
  28.             printf("%d\n", *(arr + i * 5 + j));
  29.         }
  30.     }
  31. }
Success #stdin #stdout 0.02s 1720KB
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Standard input is empty
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https://ideone.com/aW25J
language:
C99 (gcc 8.3)
created:
13 years ago
visibility:
public

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