摘要：
0 or 1 题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=4370 Description: Given a n*n matrix Cij (1<=i,j<=n),We want to find a n*n matrix Xij (1<=i,j<=n 阅读全文
摘要：
Layout 题目链接：http://poj.org/problem?id=3169 Description: Like everyone else, cows like to stand close to their friends when queuing for feed. FJ has N 阅读全文