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题目链接: poj2070 Fibonacci \(Fibonacci\) 数列有: \(F_0=0, F_1=1, F_n=F_{n-1}+F_{n-2}(n\ge 2)\) . 于是 \[ \begin{align} \begin{pmatrix} F_{n+1} & F_n \\ F_n & 阅读全文
摘要:
A. K-divisible Sum /** * Educational Codeforces Round 103 (Rated for Div. 2) * c++11 */ #include <bits/stdc++.h> using namespace std; typedef long lon 阅读全文