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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main(void) {
  5. 	int* vec = (int*)malloc(sizeof(int) * 3);
  6. 	vec[0] = 1;
  7. 	vec[1] = 2;
  8. 	vec[2] = 3;
  9.  
  10. 	printf("%x %x(%d)\n", vec, &vec[0], vec[0]);
  11.  
  12. 	int* ptr = &vec[0];
  13.  
  14.     printf("%x %x(%d) %x(%d)\n", vec, &vec[0], vec[0], ptr, *ptr);
  15.  
  16.     vec = (int*)realloc(vec, sizeof(int) * 4); // weird shit here!!!
  17.     vec[3] = 4;
  18.  
  19.     printf("%x %x(%d) %x(%d)\n", vec, &vec[0], vec[0], ptr, *ptr);
  20.  
  21.     free(vec);
  22.  
  23. 	return 0;
  24. }
  25.  
Success #stdin #stdout 0s 2288KB
comments (?)
stdin
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Standard input is empty
stdout
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8a9f008 8a9f008(1)
8a9f008 8a9f008(1) 8a9f008(1)
8a9f008 8a9f008(1) 8a9f008(1)
https://ideone.com/U4lNrU
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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