分类:OJ

一道dp题——ZigZag

Problem Statement:
A sequence of numbers is called a zig-zag sequence if the differences between su[……]

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【SPOJ】Prime Generator

SPOJ Problem Set (classical)
2. Prime Generator
Problem code: PRIME1
Peter wants to generate some[……]

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【SPOJ】Transform the Expression

SPOJ Problem Set (classical)

4. Transform the Expression

Problem code: ONP

Transform the[……]

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