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  1. #include <stdio.h>
  2. // using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	int *vptr=NULL;
  7. 	int a = sizeof(NULL);
  8. 	cout<<a;
  9. 	return 0;
  10. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.c: In function ‘main’:
prog.c:8:2: error: ‘cout’ undeclared (first use in this function)
  cout<<a;
  ^~~~
prog.c:8:2: note: each undeclared identifier is reported only once for each function it appears in
prog.c:6:7: warning: unused variable ‘vptr’ [-Wunused-variable]
  int *vptr=NULL;
       ^~~~
stdout
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Standard output is empty
https://ideone.com/EsodiS
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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