目录

高精度 + 高精度

高精度 - 高精度

高精度 * 高精度

高精度 / 高精度 & 高精度 % 高精度

高精度 * 单精度

高精度幂取模

高精度 + 高精度

题目链接:http://bailian.openjudge.cn/practice/2981?lang=en_US

Accepted Code:

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

public class Main {
    public static void main(String[] args) {
        Scanner Scan = new Scanner(System.in);
        BigInteger a = Scan.nextBigInteger();
        BigInteger b = Scan.nextBigInteger();
        System.out.println(a.add(b));
    }
}

高精度 - 高精度

题目链接:http://bailian.openjudge.cn/practice/2736?lang=en_US

Accepted Code:

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

public class Main {
    public static void main(String[] args) {
        Scanner Scan = new Scanner(System.in);
        BigInteger a = Scan.nextBigInteger();
        BigInteger b = Scan.nextBigInteger();
        System.out.println(a.subtract(b));
    }
}

高精度 * 高精度

题目链接:http://bailian.openjudge.cn/practice/2980?lang=en_US

Accepted Code:

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

public class Main {
    public static void main(String[] args) {
        Scanner Scan = new Scanner(System.in);
        BigInteger a = Scan.nextBigInteger();
        BigInteger b = Scan.nextBigInteger();
        System.out.println(a.multiply(b));
    }
}

高精度 / 高精度

题目链接:http://bailian.openjudge.cn/practice/2737?lang=en_US

Accepted Code:

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

public class Main {
    public static void main(String[] args) {
        Scanner Scan = new Scanner(System.in);
        BigInteger a = Scan.nextBigInteger();
        BigInteger b = Scan.nextBigInteger();
        System.out.println(a.divide(b));
    }
}

高精度 * 单精度

题目链接:http://www.51nod.com/Challenge/Problem.html#problemId=1057

Accepted Code:

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

public class Main {
    public static void main(String[] args) {
        Scanner Scan = new Scanner(System.in);
        int n = Scan.nextInt();
        BigInteger s = BigInteger.ONE;
        for (int i = 1; i <= n; i++)
            s = s.multiply(new BigInteger(i + ""));
        System.out.println(s);
    }
}

高精度 / 单精度 & 高精度 % 单精度

题目链接:https://www.acwing.com/problem/content/796/

Accepted Code:

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

public class Main {
    public static void main(String[] args) {
        Scanner Scan = new Scanner(System.in);
        BigInteger a = Scan.nextBigInteger();
        int b = Scan.nextInt();
        System.out.println(a.divide(new BigInteger(b + "")) + "\n" + a.remainder(new BigInteger(b + "")));
    }
}

高精度幂取模

题目链接:https://ac.nowcoder.com/acm/contest/392/B

Accepted Code:

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

public class Main {
    public static void main(String[] args) {
        Scanner Scan = new Scanner(System.in);
        int t = Scan.nextInt();
        while (t-- > 0) {
            BigInteger a = Scan.nextBigInteger();
            BigInteger b = Scan.nextBigInteger();
            BigInteger p = Scan.nextBigInteger();
            System.out.println(a.modPow(b, p));
        }
    }
}