?？途W 1

金子塔：

思路

第i行
i=1：四個空格一個字符\n
i=2：三個空格二個字符\n
i=3: 二個空格三個字符\n
i=4：一個空格四個字符\n
i=5：無空格 五個字符\n

import java.util.Scanner; public class Main {public static void main(String[] args) {Scanner sca = new Scanner(System.in);String ch = sca.next();// 打印第一行for (int i = 0; i < 4; i++) {System.out.print(" ");}for (int i = 0; i < 1; i++) {System.out.print(ch + " ");}System.out.println();for (int i = 0; i < 3; i++) {System.out.print(" ");}for (int i = 0; i < 2; i++) {System.out.print(ch + " ");}System.out.println();for (int i = 0; i < 2; i++) {System.out.print(" ");}for (int i = 0; i < 3; i++) {System.out.print(ch + " ");}System.out.println();for (int i = 0; i < 1; i++) {System.out.print(" ");}for (int i = 0; i < 4; i++) {System.out.print(ch + " ");}System.out.println();for (int i = 0; i < 0; i++) {System.out.print(" ");}for (int i = 0; i < 5; i++) {System.out.print(ch + " ");}System.out.println();} }

或者

import java.util.Scanner; public class Main {public static void main(String[] args) {Scanner sca = new Scanner(System.in);String ch = sca.next();int d =1;while(d <= 5){for(int i=0;i<5-d;i++){System.out.print(" ");}for(int i=0;i<d;i++){System.out.print(ch+" ");}d++;System.out.println();} *題目鏈接* https://www.nowcoder.com/questionTerminal/0fae60c3b5c64699b7c0f031c2187dde 

總結

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