The expression N!, read as "N factorial," denotes the product of the first N positive integers, where N is nonnegative. So, for example, N N! 0 1 1 1 2 2 3 6 4 24 5 120 10 3628800 For this problem, you are to write a program that can compute the…

A + B Problem II Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 230395    Accepted Submission(s): 44208 Problem Description I have a very simple problem for you. Given two integers A and B, you…

http://acm.hdu.edu.cn/showproblem.php?pid=5047 找规律 信kuangbin,能AC #include <stdio.h> #include <string.h> #include <iostream> #include <algorithm> #include <vector> #include <queue> #include <set> #include <map&g…

http://acm.hdu.edu.cn/showproblem.php?pid=5050 大数模板最大公约数 信kuangbin,能AC #include <cstdio> #include <cstdlib> #include <cmath> #include <cstring> #include <string> #include <queue> #include <vector> #include <ios…

题目意思很简单. 就是洗牌,抽出奇数和偶数,要么奇数放前面,要么偶数放前面. 总共2^N张牌. 需要问的是,给了A X B Y  问经过若干洗牌后,第A个位置是X,第B个位置是Y 是不是可能的. Jason is not only an ACMer, but also a poker nerd. He is able to do a perfect shuffle. In a perfect shuffle, the deck containing K cards, where K is an…

Big Number Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 35382    Accepted Submission(s): 16888 Problem Description In many applications very large integers numbers are required. Some of these…

模板很重要 #include <cstdio> #include <cstring> #include <cstdlib> #include <iostream> #include <algorithm> using namespace std; #define MAXN 9999 #define MAXSIZE 10 #define DLEN 4 class BigInt { private: ]; //可以控制大数的位数 int len; /…

题意:判断是否是等比数列 a[i] * a[i] = a[i+1] * a[i-1]   +   部分为0 的情况 /*  表示还没学java.... ,模板来自NK_test #include <iostream> #include <cstring> using namespace std; #define DIGIT 4 //四位隔开,即万进制 #define DEPTH 10000 //万进制 #define MAX 251 //题目最大位数/4,要不大直接设为最大位数也行…

HDU1002:大数加法,PE了N次 import java.util.Scanner; import java.math.*; public class Main { public static void main(String[] args) { Scanner cin = new Scanner(System.in); int T; T=cin.nextInt(); for(int z=1;z<=T;z++) { if(z!=1) System.out.println(); BigInte…

Revenge of Fibonacci Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 204800/204800 K (Java/Others)Total Submission(s): 3218    Accepted Submission(s): 821 Problem Description The well-known Fibonacci sequence is defined as following: Here we…