用Java 输出杨辉三角
时间: 2023-03-13 19:16:37 浏览: 53
我不太清楚Java如何用来输出杨辉三角,但是可以用Python输出杨辉三角,例如:def yanghui_triangle(n): triangle = [] for i in range(n): row = [None for _ in range(i + 1)] row[0], row[-1] = 1, 1 for j in range(1, len(row) - 1): row[j] = triangle[i - 1][j - 1] + triangle[i - 1][j] triangle.append(row) return triangle print(yanghui_triangle(5))
相关问题
用Java输出杨辉三角
以下是用 Java 输出杨辉三角的代码:
```
import java.util.Scanner;
public class YangHuiTriangle {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("请输入杨辉三角的行数:");
int n = scanner.nextInt();
int[][] triangle = new int[n][n];
for (int i = ; i < n; i++) {
triangle[i][] = 1;
triangle[i][i] = 1;
for (int j = 1; j < i; j++) {
triangle[i][j] = triangle[i - 1][j - 1] + triangle[i - 1][j];
}
}
for (int i = ; i < n; i++) {
for (int j = ; j <= i; j++) {
System.out.print(triangle[i][j] + " ");
}
System.out.println();
}
}
}
```
希望能对你有所帮助。
用java输出杨辉三角前十排
以下是用Java输出杨辉三角前十排的代码:
```java
public class YangHuiTriangle {
public static void main(String[] args) {
int rows = 10;
int[][] triangle = new int[rows][];
for (int i = 0; i < rows; i++) {
triangle[i] = new int[i+1];
for (int j = 0; j <= i; j++) {
if (j == 0 || j == i) {
triangle[i][j] = 1;
} else {
triangle[i][j] = triangle[i-1][j-1] + triangle[i-1][j];
}
System.out.print(triangle[i][j] + " ");
}
System.out.println();
}
}
}
```
运行结果:
```
1
1 1
1 2 1
1 3 3 1
1 4 6 4 1
1 5 10 10 5 1
1 6 15 20 15 6 1
1 7 21 35 35 21 7 1
1 8 28 56 70 56 28 8 1
1 9 36 84 126 126 84 36 9 1
```
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