从键盘输入h值,输出h行用*号组成等腰三角形。例:输入 h=4,输出的图形如下: * * * * * * * * * * * * * * * *
时间: 2023-12-06 21:04:50 浏览: 60
以下是两种语言实现等腰三角形的例子:
C++实现:
```cpp
#include <iostream>
using namespace std;
int main() {
int h;
cout << "请输入h值:";
cin >> h;
for (int i = 1; i <= h; i++) {
for (int j = 1; j <= h - i; j++) {
cout << " ";
}
for (int k = 1; k <= 2 * i - 1; k++) {
cout << "*";
}
cout << endl;
}
return 0;
}
```
Java实现:
```java
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("请输入h值:");
int h = input.nextInt();
for (int i = 1; i <= h; i++) {
for (int j = 1; j <= h - i; j++) {
System.out.print(" ");
}
for (int k = 1; k <= 2 * i - 1; k++) {
System.out.print("*");
}
System.out.println();
}
}
}
```
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