OJ on the subject of Beijing University, wrote it myself, very hard, and they hope to be helpful to everyone.

Packet : 31767658peking-oj-1454.rar filelist
北大OJ 1454 题目及源代码\北大OJ  1454 C＋＋源代码.cc
北大OJ 1454 题目及源代码\北大OJ 1454 题目.doc
北大OJ 1454 题目及源代码

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