随笔分类 - 5.19 点分治
摘要:After the success of 2nd anniversary (take a look at problem FTOUR for more details), this 3rd year, Travel Agent SPOJ goes on with another discount t
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摘要:Time Limit: 70 Sec Memory Limit: 128 MB Submit: 4711 Solved: 1382 [Submit][Status][Discuss] Description 给一棵树,每条边有权.求一条简单路径,权值和等于K,且边的数量最小.N include in
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