4 ms·

The statement is valid C#, which has left-to-right execution order and no undefined behavior. The answer is 5 + 7 = 12.

• chasil 5mo ago
  Awk also says it's 12. awk 'BEGIN{a=5; a = a++ + ++a; print a}' 12
  • kencausey 5mo ago
    https://www.gnu.org/software/gawk/manual/gawk.html#index-precedence https://www.gnu.org/software/gawk/manual/gawk.html#index-pre... "When side effects happen is implementation-defined. In other words, it is up to the particular version of awk."
    • chasil 5mo ago
      Android appears to use the One True AWK. :/ $ awk 'BEGIN{a=5; a = a++ + ++a; print a}' 12 :/ $ which awk /system/bin/awk :/ $ awk --version awk version 20240728