What a colorful post!
This is an idea that came from xukimseven/HardCandy-Jekyll
looking at this...
https://www.acmicpc.net/problem/1406
Source
int Left(int pos){
if (pos <= 0) return pos;...
http://codepro.lge.com/apply/exam/ZXhfaUhjUkhfMTQ5NTQ5NjY4ODY3NQ==/quiz/cV9pb05sYl8xNTIwODUyOTU2O...
http://codepro.lge.com/apply/exam/ZXhfaUhjUkhfMTQ5NTQ5NjY4ODY3NQ==/quiz/cV9RRUxqRl8xNTU0Nzg1OTIzM...
http://codepro.lge.com/apply/exam/ZXhfaUhjUkhfMTQ5NTQ5NjY4ODY3NQ==/quiz/cV9XWmVFZV8xNTU0Nzg1OTIzN...