2014 年 9月 11 日随笔档案 - neverlandly

2014年9月11日

摘要： Follow up for N-Queens problem.Now, instead outputting board configurations, return the total number of distinct solutions.跟N-Queen的考虑方式完全一样，NP问题，用循环递... 阅读全文

posted @ 2014-09-11 12:49 neverlandly 阅读(357) 评论(0) 推荐(0)

Leetcode: N-Queens

摘要： The n-queens puzzle is the problem of placing n queens on an n×n chessboard such that no two queens attack each other.Given an integern, return all di... 阅读全文

posted @ 2014-09-11 10:01 neverlandly 阅读(506) 评论(0) 推荐(0)

Leetcode: Sudoku Solver

摘要： Write a program to solve a Sudoku puzzle by filling the empty cells.Empty cells are indicated by the character '.'.You may assume that there will be o... 阅读全文

posted @ 2014-09-11 06:56 neverlandly 阅读(420) 评论(0) 推荐(0)