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摘要： 题目描述 Illustration of exponial(3) (not to scale), Picture by C.M. de Talleyrand-Périgord via Wikimedia Commons Everybody loves big numbers (if you do n 阅读全文

摘要： 题目描述 Connect3 is a simplified version of a well-known Connect4 game. Connect3 is a game for two players, black and white, who take turns placing their 阅读全文

摘要： n的m整数划分(不包含重复划分)： #include <iostream> #include<cstdio> #define mod 1000000007 typedef long long ll; using namespace std; ll n,m; ll dp[1005][1005]; in 阅读全文

摘要： 狗屁大数String str = cin.next();BigInteger n = new BigInteger(str);我才知道有这个 BigInteger.ZERO BigInteger.ONE//大数0和1和这个 .shiftRight(1)//大数位运算 阅读全文

摘要： //在vector中的应用#include <iostream> #include<cstdio> #include<vector> #include<algorithm> using namespace std; vector<int> a;vector<int>::iterator p; int 阅读全文

摘要： 令h(0)=1,h(1)=1，Catalan数满足递推式 1. h(n)= h(0)*h(n-1)+h(1)*h(n-2) + ... + h(n-1)*h(0) (n>=2)2. h(n)=h(n-1)*(4*n-2)/(n+1);递推关系的解为：1. h(n)=C(2n,n)/(n+1) (n= 阅读全文

摘要： 题目描述 Somewhere in an animal kingdom far from here there is a large forest. Inside the forest live a large number of frogs.Every year the frogs gather 阅读全文

摘要： <climits>头文件定义的符号常量 CHAR_MIN char的最小值SCHAR_MAX signed char 最大值SCHAR_MIN signed char 最小值UCHAR_MAX unsigned char 最大值SHRT_MAX short 最大值SHRT_MIN short 最小值 阅读全文

摘要： 题目描述 You are an expert in bonsai, the Japanese art of cultivating small trees in small containers.Every year, you win the Bonsai Association’s Pruning 阅读全文

摘要： 题目描述 The Minato Mirai Football Association hosts its annual championship as a single round-robin tournament, in which each team plays a single match a 阅读全文