摘要：
Largest Submatrix of All 1’s Time Limit: 5000MS Memory Limit: 131072K Total Submissions: 9943 Accepted: 3538 Case Time Limit: 2000MS Description Given 阅读全文
摘要：
Largest Rectangle in a Histogram Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 34844 Accepted: 11339 Description A histogram is a polygon 阅读全文