Tony's Log

摘要： This is simply a human work simulation - exactly reproducing how you do it by hand. Nothing special. You'd better put each step on a paper to make everything clear. Reference:http://blog.csdn.net/rappy/article/details/1737671My code passed all 6 test cases. Yay..// 429#include #include #include 阅读全文

摘要： "not more than 1000000 digits" means an efficient in-place solution is needed. My first solution was stringint conversion based. It worked for small ints, but got TLE with large numbers.Thanks tohttp://www.bytehood.com/spoj-the-next-palindrome/418/that shed lights on me. The key idea is th 阅读全文