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POJ 3321 Apple Tree(dfs序 + 树状数组)
Apple Tree Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 22066 Accepted: 6682 Description There is an apple tree outside of kaka's house. Every autumn, a原创 2015-09-22 14:35:43 · 469 阅读 · 0 评论 -
HDU 3887 Counting Offspring(dfs序 + 树状数组)
Counting Offspring Time Limit: 15000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2201 Accepted Submission(s): 738 Problem Description You are原创 2015-09-22 15:26:11 · 435 阅读 · 0 评论