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added 132 characters in body

edited Jul 18, 2020 at 22:03

edited Jul 18, 2020 at 22:03

C (gcc), ^{(削除) 60 (削除ここまで)} 58 bytes

Saved 2 bytes thanks to an idea from AZTECCO!!!

f(a,b)char*a,*b;{*a+*b?putchar(*a^*b),f(a+!!*a,b+!!*b):0;}

answered Jul 17, 2020 at 23:08