高精度 - SGU 112 a^b-b^a】的更多相关文章

a^b-b^a Problem's Link Mean: 略 analyse: 简单题,只用编个高精度乘法和减法即可. Time complexity: O(N) view code  java import java.math.BigInteger;import java.util.Scanner;public class Solution{    public static void main(String[] args)    {        Scanner cin = new Scan…
分析:直接上吧,建议不要使用模板,否则没啥意义了. 代码如下: =================================================================================================================================== #include<algorithm> #include<stdio.h> #include<string.h> #include<queu…
题意: 如标题. 方法: 简单高精度... 代码(继续JAVA 水过) import java.util.*; import java.math.*; public class Solution { public static void main(String[] args){ Scanner cin=new Scanner(System.in); int a=cin.nextInt(),b=cin.nextInt(); BigInteger s,t; s=BigInteger.valueOf(…
112. a^b-b^a time limit per test: 0.25 sec. memory limit per test: 4096 KB You are given natural numbers a and b. Find a^b-b^a. Input Input contains numbers a and b (1≤a,b≤100). Output Write answer to output. Sample Input 2 3Sample Output -1 import j…
题目大意:有K组测试数据,然后每组有N个正整数,A1,A2,A3.....An,求出 A1 + A1*A2 + A1*A2*A3 + .......A1*A2*...An 的数根. 分析:有个对9取余的定理是可以直接求树根的,不过拿来玩大数运算也不错.ps.每位可以保存9位数,保存10位数会溢出. 高精度代码如下: ===========================================================================================…
  He's Circles He wrote n letters "X" and "E" in a circle. He thought that there were 2n possibilities to do it, because each letter may be either "X" or "E". But Qc noticed that some different sequences of letters…
标题效果:鉴于m整数,之前存在的所有因素t素数.问:有多少子集.他们的产品是数量的平方. 解题思路: 全然平方数就是要求每一个质因子的指数是偶数次. 对每一个质因子建立一个方程. 变成模2的线性方程组. 求解这个方程组有多少个自由变元.答案就是 2^p - 1 .(-1是去掉空集的情况) 注意因为2^p会超出数据范围所以还须要用高精度算法. 200. Cracking RSA time limit per test: 0.25 sec. memory limit per test: 65536…
SGU还是个不错的题库...但是貌似水题也挺多的..有些题想出解法但是不想写代码, 就写在这里吧...不排除是我想简单想错了, 假如哪位神犇哪天发现请告诉我.. 101.Domino(2015.12.16) 102.Coprimes 求φ(N). 1<=N<=10^4 按欧拉函数的公式直接算..O(N^0.5)(2015.12.16) #include<cstdio> #include<cstring> #include<algorithm> using n…
http://acm.sgu.ru/problemset.php?contest=0&volume=1 101 Domino 欧拉路 102 Coprime 枚举/数学方法 103 Traffic Lights 最短路 104 Little Shop of Flowers 动态规划 105 Div 3 找规律 106 The Equation 扩展欧几里德 107 987654321 Problem 找规律 108 Self-numbers II 枚举+筛法递推 109 Magic of Dav…
Oracle Time Limit: 8000/4000 MS (Java/Others)    Memory Limit: 262144/262144 K (Java/Others) Problem Description There is once a king and queen, rulers of an unnamed city, who have three daughters of conspicuous beauty. The youngest and most beautifu…