摘要:
一个完全图 1和n肯定有一条路 不是公路就是铁路 另= 另一个跑遍最短路即可 阅读全文
摘要:
A string is called palindrome if it reads the same from left to right and from right to left. For example "kazak", "oo", "r" and "mikhailrubinchikkihc 阅读全文
摘要:
You are given two arrays of integers a and b. For each element of the second arraybj you should find the number of elements in array a that are less t 阅读全文