用java编程：输入一个正整数，将该数的各位左右反转输出。如123。输出321
\u7528java\u7f16\u7a0b\uff1a\u8f93\u5165\u4e00\u4e2a\u6b63\u6574\u6570\uff0c\u5c06\u8be5\u6570\u7684\u5404\u4f4d\u5de6\u53f3\u53cd\u8f6c\u8f93\u51fa\u3002\u5982123\u3002\u8f93\u51fa321import java.util.*; public class aa { public static void main(String args[]){ Scanner input=new Scanner(System.in); System.out.println("\u8bf7\u8f93\u5165\u4e00\u4e2a\u4e09\u4f4d\u6570\u6574\u6570"); int a=input.nextInt(); int num[]=new int[3]; for(int i=0;i<3;i++){ num[i]=a%10; a=a/10; } System.out.println(num[0]*100+num[1]*10+num[2]); } }
import java.util.*;
public class KZTinputArray {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
System.out.println("Pls input a string:");
String str = in.nextLine();
// int a[] = new int[str.length()];
/*
* for (int i = 0; i < str.length(); i++) { a[i] = str.charAt(i) - '0';
* }
*/
char[] a = str.toCharArray();
for (int i = a.length-1; i >=0; i--) {
System.out.print(a[i] + "\t");
}
}
}
\u91c7\u7eb3\u54c8\uff01\uff01\uff01
public class aa {
public static void main(String args[]){
Scanner input=new Scanner(System.in);
System.out.println("请输入一个三位数整数");
int a=input.nextInt();
int num[]=new int[3];
for(int i=0;i<3;i++){
num[i]=a%10;
a=a/10;
}
System.out.println(num[0]*100+num[1]*10+num[2]);
}
}
绛旓細c璇█绋嬪紡璁捐銆傘傘傝В涓嶇瓑寮 n < 1+1/2+1/3+鈥+1/m <n+1锛姝ｆ暣鏁n浠庨敭鐩杈撳叆锛宮涔熶负姝ｆ暣鏁帮紝鑼冨洿寰呭畾 include<stdio.h>void main() { int n, i = 1; int min_m =-1, max_m = -1; double sum = 0.0; scanf("%d",&n); while (1){ sum += 1....
绛旓細import java.util.Scanner;public class Test { public static void main(String[] args) { System.out.print("璇杈撳叆姝ｆ暣鏁帮細");Scanner scanner = new Scanner(System.in);int input = scanner.nextInt();if (input <= 0) { System.out.println("杈撳叆鏁板间笉鏄鏁存暟銆");scanner.close();...
绛旓細import java.util.*;public class ProOne { //棰樼洰锛氬皢涓涓鏁存暟鍒嗚В璐ㄥ洜鏁般備緥濡锛氳緭鍏90,鎵撳嵃鍑90=2*3*3*5銆//绋嬪簭鍒嗘瀽锛氬n杩涜鍒嗚В璐ㄥ洜鏁帮紝搴斿厛鎵惧埌涓涓渶灏忕殑璐ㄦ暟k锛岀劧鍚庢寜涓嬭堪姝ラ瀹屾垚锛//(1)濡傛灉杩欎釜璐ㄦ暟鎭扮瓑浜巒锛屽垯璇存槑鍒嗚В璐ㄥ洜鏁扮殑杩囩▼宸茬粡缁撴潫锛屾墦鍗板嚭鍗冲彲銆//(2)濡傛灉n<>k锛屼絾...
绛旓細import java.util.*;public class aa {public static void main(String args[]){ Scanner input=new Scanner(System.in); System.out.println("璇杈撳叆涓涓涓変綅鏁鏁存暟"); int a=input.nextInt(); int num[]=new int[3]; for(int i=0;i<3;i++){ num[i]=a%10; a=a/10; } System.out.printl...
绛旓細import java.util.Scanner;public class Main{ public static void main (String[]args){ Scanner sc = new Scanner (System.in);System.out.print ("璇杈撳叆涓涓鏁存暟: ");int n = sc.nextInt ();int sum = 0;for (int i = 1; i <= n; i++){ sum += i;} System.out.print...
绛旓細import java.util.Scanner;public class ReverseNumber { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); System.out.println("璇杈撳叆涓涓暣鏁帮細"); int num = scanner.nextInt(); StringBuilder stringBuilder = new StringBuilder(); Strin...
绛旓細public class HelloWorld { public static void main(String[] args) { System.out.println("璇杈撳叆涓涓鏁存暟n"); Scanner input = new Scanner(System.in); int n = input.nextInt(); for (int i = 2; i <= n; i++) // 1涓嶆槸绱犳暟锛屾墍浠ョ洿鎺ヤ粠2寮濮嬪惊鐜 { ...
绛旓細import java.util.Scanner;public class Main { public static void main(String[] args){ Scanner scan = new Scanner(System.in);String input = scan.nextLine();String output = ""+input.charAt(4)+input.charAt(3)+input.charAt(2)+input.charAt(1)+input.charAt(0)+"";System.out....
绛旓細涓涓畝鍗曠殑绀轰緥锛屼緵鍙傝 import java.util.Scanner;public class Test { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); System.out.print("璇杈撳叆涓涓鏁存暟锛"); int n = scanner.nextInt(); scanner.close(); int line = 1; /...
绛旓細include<stdio.h> int main(){ int i,j,k,n;printf("璇杈撳叆涓涓鏁板瓧:");scanf("%d",&n);for(i=1,k=-1;i<=n;i++,k+=2){ for(j=0;j<n-i;j++) printf("%c",32);printf("%d",i);if(k>0){ for(j=0;j<k;j++) printf("%c",32);printf("%d",i);} printf(...
