String painter Time Limit: 5000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2520 Accepted Submission(s): 1134 Problem Description There are two strings A and B with equal length. Both strings are made up…
题目链接:http://acm.split.hdu.edu.cn/showproblem.php?pid=2476 Problem Description There are two strings A and B with equal length. Both strings are made up of lower case letters. Now you have a powerful string painter. With the help of the painter, you c…
Painter's Problem 题意:给一个n*n(1 <= n <= 15)具有初始颜色(颜色只有yellow&white两种,即01矩阵)的square染色,每次对一个方格染成黄色时,同时会把周围的方格也染成黄色.(这和1222的开关一样的关联关系)问最后可以将square全部染成黄色的最小染色方格数? 思路: 1.直接预处理出增广矩阵,和1222不同的是里面有最优解的条件,贪心的思想是把自由变元看成是没染色的,但是其他非自由变元(除去自由维度之外的变量)是可以通过自由变元的取…
(http://leetcode.com/2011/04/the-painters-partition-problem-part-ii.html) This is Part II of the artical: The Painter's Partition Problem. Please read Part I for more background information. Solution: Assume that you are assigning continuous section…