多组输入,一个整数(3~20),表示数字三角形边的长度,即数字的数量,也表示输出行数。
针对每行输入,输出用数字组成的对应长度的数字三角形,每个数字后面有一个空格。
4
1 1 2 1 2 3 1 2 3 4
5
1 1 2 1 2 3 1 2 3 4 1 2 3 4 5
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
while (in.hasNextInt()){
int n = in.nextInt();
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= i; j++) {
System.out.print(j+" ");
}
System.out.println();
}
}
in.close();
}
} import java.util.Scanner;
// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
// 注意 hasNext 和 hasNextLine 的区别
while (in.hasNextInt()) { // 注意 while 处理多个 case
int n = in.nextInt();
for(int i=1;i<=n;i++){
for(int j=1;j<=i;j++){
System.out.print(j+" ");
}
System.out.println();
}
}
}
} import java.util.Scanner;
public class Main{
public static void main(String[] args){
Scanner sc=new Scanner(System.in);
while(sc.hasNext()){
int x=sc.nextInt();
for(int i=1;i<=x;i++){
for(int j=1;j<=i;j++)
System.out.printf("%d ",j);
System.out.println();
}
}
}
} import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
while (sc.hasNextInt()) {
int n = sc.nextInt();
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= i; j++) {
System.out.print(j+" ");
}
System.out.println();
}
}
}
}
import java.util.*;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
while(scanner.hasNext()){
int n = scanner.nextInt();
for(int i = 1;i <= n;i++){
for(int j = 1;j <= i;j++){
System.out.print(j + " ");
}
System.out.println("");
}
}
}
} import java.util.Scanner;
public class Main {
public static void main(String args[]) {
Scanner sc = new Scanner(System.in);
while(sc.hasNext()) {
int a = sc.nextInt();
for(int i=1;i<=a;i++) {
for(int j=1;j<=a;j++) {
if(j<=i) {
System.out.print(j+" ");
}
}
System.out.println();
}
}
}
}
import java.util.Scanner;
/**
*
* @Title 数字三角形
* @Description KiKi学习了循环,BoBo老师给他出了一系列打印图案的练习,该任务是打印用数字组成的数字三角形图案。
* 输入描述:
* 多组输入,一个整数(3~20),表示数字三角形边的长度,即数字的数量,也表示输出行数。
* 输出描述:
* 针对每行输入,输出用数字组成的对应长度的数字三角形,每个数字后面有一个空格。
* @author weijunfu<ijunfu @ qq.com>
* @date 2022/03/17 23:42
* @version 1.0.0
*
*/
public class Main {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
while(in.hasNextInt()) {
int num = in.nextInt();
for(int i=1; i<=num; i++) {
for(int j=1; j<=i; j++) {
System.out.print(j + " ");
}
System.out.println();
}
}
}
}
import java.util.*;
public class Main{
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
while(sc.hasNext()){
int n = sc.nextInt();
for(int i = 1; i <= n ; i++){
for(int j = 1; j <= i; j++){
System.out.print(j + " ");
}
System.out.println();
}
}
}
} import java.util.*;
public class Main{
public static void main (String[] args) {
Scanner in = new Scanner(System.in);
while (in.hasNext()) {
int num = in.nextInt();
for (int i = 1; i <= num; i++) {
for (int j = 1; j <= i; j++) {
System.out.print(j + " ");
}
System.out.println();
}
}
}
}