/* POJ2389 Bull Math http://poj.org/problem?id=2389 高精度乘法 * */ #include <cstring> #include <cstdio> #include <algorithm> using namespace std; ; struct BigInt { int a[Nmax]; int n; void init() { ;i<Nmax;i++) a[i]=; } BigInt() { init();…

Bull Math Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 15040   Accepted: 7737 Description Bulls are so much better at math than the cows. They can multiply huge integers together and get perfectly precise answers ... or so they say. F…

1.Link: http://poj.org/problem?id=2389 http://bailian.openjudge.cn/practice/2389/ 2.Content: Bull Math Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 13067   Accepted: 6736 Description Bulls are so much better at math than the cows. The…

1754: [Usaco2005 qua]Bull Math Time Limit: 5 Sec  Memory Limit: 64 MBSubmit: 374  Solved: 227[Submit][Status] Description Bulls are so much better at math than the cows. They can multiply huge integers together and get perfectly precise answers ... o…

1754: [Usaco2005 qua]Bull Math Time Limit: 5 Sec  Memory Limit: 64 MBSubmit: 398  Solved: 242[Submit][Status][Discuss] Description Bulls are so much better at math than the cows. They can multiply huge integers together and get perfectly precise answ…

题目链接:http://poj.org/problem?id=2389 题目大意: 大数相乘. 解题思路: java BigInteger类解决 o.0 AC Code: import java.math.BigInteger; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); while (sc.h…

Description Bulls are so much better at math than the cows. They can multiply huge integers together and get perfectly precise answers ... or so they say. Farmer John wonders if their answers are correct. Help him check the bulls' answers. Read in tw…

Description Bulls are so much better at math than the cows. They can multiply huge integers together and get perfectly precise answers ... or so they say. Farmer John wonders if their answers are correct. Help him check the bulls' answers. Read in tw…

题目链接:http://poj.org/problem?id=2389 题目意思:就是大整数乘法. 题目中说每个整数不超过 40 位,是错的!!!要开大点,这里我开到100. 其实大整数乘法还是第一次写 = =.......大整数加法写得比较多.百练也有一条是大整数乘法,链接如下:http://bailian.openjudge.cn/practice/2980/ 一步一步模拟即可,代码就是按这个来写的. 以 835 * 49 为例(亲爱的读者,允许我截图吧) 简直就是神奇呀----- #inc…

[算法]高精度乘法 #include<cstdio> #include<algorithm> #include<cstring> using namespace std; ; char s1[maxn],s2[maxn]; int a[maxn],b[maxn],c[maxn],lena,lenb,lenc; int main(){ scanf("%s%s",s1,s2); lena=strlen(s1);lenb=strlen(s2); ;i<…