http://acm.hdu.edu.cn/showproblem.php?pid=5009 2014网络赛 西安 比较难的题 Paint Pearls Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1951 Accepted Submission(s): 631 Problem Description Lee has a str…
F - 最大子矩阵和 Time Limit:1000MS Memory Limit:10000KB 64bit IO Format:%I64d & %I64u Description Given a two-dimensional array of positive and negative integers, a sub-rectangle is any contiguous sub-array of size 1*1 or greater located within t…