2 ms·

Tried it on https://www.onlinegdb.com/online_c_compiler https://www.onlinegdb.com/online_c_compiler Returns 12. If I were designing C, it would return 13. But t

• topspin 5mo ago
  Godbolt: clang and gcc compilers give 12. msvc compilers yield 13. #include <stdio.h> int main() { int a = 5; a = a++ + ++a; printf("%d\n", a); return 0; } x64 msvc v19.50 VS18.2 output: example.c ASM generation compiler returned: 0 example.c Execution build compiler returned: 0 Program returned: 0 13 x86-64 gcc 16.1 output: ASM generation compiler returned: 0 Execution build compiler returned: 0 Program returned: 0 12 armv8-a clang 22.1.0 output: <source>:5:10: warning: multiple unsequenced modifications to 'a' [-Wunsequenced] 5 | a = a++ + ++a; | ^ ~~ 1 warning generated. ASM generation compiler returned: 0 <source>:5:10: warning: multiple unsequenced modifications to 'a' [-Wunsequenced] 5 | a = a++ + ++a; | ^ ~~ 1 warning generated. Execution build compiler returned: 0 Program returned: 0 12