牛客编程题（七）-白红宇

牛客编程题（七）

阅读量：3968 次

发布时间：2019-05-24

本文共 3523 字，大约阅读时间需要 11 分钟。

//https://www.nowcoder.com/practice/d531850b06594407b41ead50659e6491?tpId=107&tags=&title=&diffculty=0&judgeStatus=0&rp=1

import java.util.Scanner;public class Main2 {	public static void main(String[] args) {		Scanner sc = new Scanner(System.in);		int x1 = sc.nextInt();		int x2 = sc.nextInt();		int x3 = sc.nextInt();		System.out.println(Math.max(x3, Math.max(x1, x2)));	}}

//https://www.nowcoder.com/practice/d3a404ee0f8d41f98bf4707035d91086?tpId=107&tags=&title=&diffculty=0&judgeStatus=0&rp=1

public class Main3{    public static void main(String[] args){	        int count = 0;	        for (int i = 100; i < 1000; i++) {	        	boolean flag = true;				for (int j = 2; j <= Math.sqrt(i); j++) {					if(i%j==0){						flag = false;						break;					    }					}				if(flag==true){					count++;				}			}	        System.out.println(count);	}}

//https://www.nowcoder.com/practice/e4c67097cdb242d9a3f38b7cfe839396?tpId=107&tags=&title=&diffculty=0&judgeStatus=0&rp=1

import java.util.Date;import java.util.Scanner;public class Main4 {	public static void main(String[] args) {		Scanner sc = new Scanner(System.in);		while(sc.hasNext()) {			int year = sc.nextInt();			int month = sc.nextInt();			int day = sc.nextInt();			System.out.println(day+"/"+month+"/"+year);		}	}}

//https://www.nowcoder.com/practice/699ba050e2704591ae3e62401a856b0e?tpId=107&tags=&title=&diffculty=0&judgeStatus=0&rp=1

import java.util.Scanner;public class Main5 {	public static void main(String[] args) {		Scanner sc = new Scanner(System.in);		int x1  = sc.nextInt();		int x2  =sc.nextInt();		int r = sc.nextInt();		int k = sc.nextInt();		double c = r*r*3.14;		System.out.println(x1*x2);		if((c*100)%100>0){            System.out.println((double) Math.round(c*100)/100);        }else{            System.out.println((int) c);        }		System.out.println(k*k);	}}

//https://www.nowcoder.com/practice/04de8eb0ecab426fa6be3ae99af17210?tpId=107&&tqId=33367&rp=1&ru=/ta/beginner-programmers&qru=/ta/beginner-programmers/question-ranking

import java.util.Scanner;public class Main6 {	public static void main(String[] args) {		Scanner sc = new Scanner(System.in);		while(sc.hasNext()) {			int x = sc.nextInt();			if(x%2==0) {				System.out.print(x/2+" ");				System.out.print(x-(x/2));			}			else {				System.out.print((x/2)+1+" ");				System.out.print(x-(x/2)-1+" ");			}					}	}}

//https://www.nowcoder.com/practice/cad8d946adf64ab3b17a555d68dc0bba?tpId=107&&tqId=33368&rp=1&ru=/ta/beginner-programmers&qru=/ta/beginner-programmers/question-ranking

import java.util.Arrays;import java.util.Scanner;public class Main8 {	public static void main(String[] args) {		Scanner sc = new Scanner(System.in);		double sum = 0;		while(sc.hasNext()) {			int xx = sc.nextInt();			double[] array = new double[xx];			for(int i=0;i

//https://www.nowcoder.com/practice/68ae3b28b4a04e098485c4423e2c6548?tpId=107&&tqId=33369&rp=1&ru=/ta/beginner-programmers&qru=/ta/beginner-programmers/question-ranking

import java.util.Arrays;import java.util.Scanner;public class Main3 {	public static void main(String[] args) {		Scanner sc = new Scanner( System.in);		int xx = sc.nextInt();		int[] array = new int[xx+1];		for(int i=0;i

//https://www.nowcoder.com/practice/e45e078701ab4e4cb49393ae30f1bb04?tpId=37&tags=&title=&diffculty=0&judgeStatus=0&rp=1

import java.util.Scanner;public class Main4 {	public static void main(String[] args) {		Scanner sc = new Scanner(System.in);		String str = sc.next();		StringBuilder xx = new StringBuilder(str);		System.out.println(xx.reverse());			}}

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