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摘要： //开始DP之旅,先来道简单的Problem Description A subsequence of a given sequence is the given sequence with some elements (possible none) left out. Given a sequen... 阅读全文

摘要： //大数继续，额，要吐了。Problem DescriptionProblems involving the computation of exact values of very large magnitude and precision are common. For example, the computation of the national debt is a taxing experience for many computer systems.This problem requires that you write a program to compute the exact 阅读全文

摘要： // 大数继续Problem DescriptionRecall the definition of the Fibonacci numbers:f1 := 1f2 := 2fn := fn-1 + fn-2 (n >= 3)Given two numbers a and b, calculate how many Fibonacci numbers are in the range [a, b].InputThe input contains several test cases. Each test case consists of two non-negative integer 阅读全文