2014年5月23日

POJ 2155 Matrix （二维线段树）

摘要： MatrixTime Limit:3000MSMemory Limit:65536KTotal Submissions:17226Accepted:6461DescriptionGiven an N*N matrix A, whose elements are either 0 or 1. A[i,... 阅读全文

posted @ 2014-05-23 23:35 kuangbin 阅读(3752) 评论(0) 推荐(0)

POJ 2155 Matrix （二维树状数组）

摘要： MatrixTime Limit:3000MSMemory Limit:65536KTotal Submissions:17224Accepted:6460DescriptionGiven an N*N matrix A, whose elements are either 0 or 1. A[i,... 阅读全文

posted @ 2014-05-23 22:52 kuangbin 阅读(4013) 评论(1) 推荐(0)

HDU 4819 Mosaic （二维线段树）

摘要： MosaicTime Limit: 10000/5000 MS (Java/Others)Memory Limit: 102400/102400 K (Java/Others)Total Submission(s): 213Accepted Submission(s): 50Problem Desc... 阅读全文

posted @ 2014-05-23 12:07 kuangbin 阅读(4070) 评论(0) 推荐(0)

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