摘要：
题目(HDU - 1677) Nested Dolls Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4020 Accepted Submiss 阅读全文
摘要：
题目 题目描述 Consider an N x N (1 <= N <= 100) square field composed of 1 by 1 tiles. Some of these tiles are impassible by cows and are marked with an 'x' 阅读全文