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  1. #include <stdio.h>
  2.  
  3. int main (int argc, char ** argv) {
  4.   const int x = 1;
  5.  
  6.   int *y;
  7.   y = &x;
  8.  
  9.   *y += 1;
  10.  
  11.   printf("x = %d\n", x); // Prints: 2
  12.   printf("y = %d\n", *y); // Prints: 2
  13.  
  14.   return 0;
  15. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.c: In function ‘main’:
prog.c:7:5: error: assignment discards ‘const’ qualifier from pointer target type [-Werror=discarded-qualifiers]
   y = &x;
     ^
cc1: all warnings being treated as errors
stdout
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Standard output is empty
https://ideone.com/fvUBds
language:
C99 (gcc 8.3)
created:
7 years ago
visibility:
public

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