多组输入,一个整数(2~20),表示直角三角形直角边的长度,即“*”的数量,也表示输出行数。
针对每行输入,输出用“*”组成的对应长度的直角三角形,每个“*”后面有一个空格。
4
* * * * * * * * * *
5
* * * * * * * * * * * * * * *
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 a = in.nextInt();
for(int i=1;i<=a;i++){
for(int j=1;j<=i;j++){
System.out.print("*"+" ");
}
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 n = sc.nextInt();
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= i; j++) {
System.out.print("* ");
}
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 num = scanner.nextInt();
for(int i = 1;i <= num;i++){
for(int j = 1 ;j <= i;j++){
System.out.print("*" + " ");
}
System.out.println("");
}
}
}
}
import java.util.*;
public class Main{
public static void main(String love[]){
Scanner input=new Scanner(System.in);
while(input.hasNextInt()){
int n=input.nextInt();
for(int i=0;i<n;i++){
for(int j=0;j<=i;j++){
System.out.print("*"+" ");
}
System.out.println();
}
}
input.close();
}
} 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 j = 1; j <= n;j++){
for(int i = 1;i <= j;i++){
System.out.print("*");
System.out.print(" ");
}
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()) {
Integer number = sc.nextInt();
for(int j = 0 ; j <number ; j++) {
for (int i = 0; i <=j; i++) {
System.out.print("* ");
}
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++) {
System.out.println(String.join("", Collections.nCopies(i, "* ")));
}
}
}
}