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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	const int * ptr;
  6. 	int x = 5;
  7. 	ptr = &x;
  8. 	*ptr = 3;
  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.cpp: In function 'int main()':
prog.cpp:8:7: error: assignment of read-only location '* ptr'
  *ptr = 3;
       ^
stdout
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Standard output is empty
https://ideone.com/tSOdqk
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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