https://open.firstory.me/user/cl4zpqdbm03d901t9fc892fun
https://open.firstory.me/user/cl4zq70rj04cx01xjem9t0kri
https://open.firstory.me/user/cl4zqft9s03e701t9a2y2byhk
https://open.firstory.me/user/cl4zu8yuy008r01x61dj52xcj
https://open.firstory.me/user/cl4zuu76703ir01t91ju44f6f
https://open.firstory.me/user/cl4zuyxno009801x6egn121o4
https://open.firstory.me/user/cl50l6qpc03yi01t90egk0el8
https://open.firstory.me/user/cl50lmuzf00lb01x64chaaak3
https://dotnetfiddle.net/CVI8Rr
http://cpp.sh/4p5sw
https://geany.org/p/ujMN8/
http://cpp.sh/2wf5b
https://pastebin.com/8V8LYNJu
https://rextester.com/YTWU14409
https://coliru.stacked-crooked.com/a/4100898ec9bfafb8
https://yamcode.com/qo6hdmf3ou
https://paste2.org/U6xnae9e
https://paiza.io/projects/EMHQbeuGkeZylavSVxCrtg?language=php
https://onlinegdb.com/K7MnB3N8H_