HDU - 5050 Divided Land

3
10 100
100 110
10010 1100

Case #1: 10
Case #2: 10
Case #3: 110

题意：求二进制的最大的正方形

思路：java大数函数都有

import java.math.BigInteger;
import java.util.Scanner;

/**
 * Created by acer on 14-9-27.
 */
public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int t;
        String a;
        String b;
        BigInteger c;
        BigInteger A;
        BigInteger B;
        t = sc.nextInt();
        for (int cas = 1;  cas <= t; cas++) {
            A = sc.nextBigInteger(2);
            B = sc.nextBigInteger(2);
            System.out.print("Case #" + cas + ": ");
            System.out.println(A.gcd(B).toString(2));
        }
    }
}

HDU - 5050 Divided Land

原文：http://blog.csdn.net/u011345136/article/details/39620429