import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); int m = scanner.nextInt(); for (int i = 1; i <= n; i++) { //第一个三角形 // j = m+n 前面的空也要输出 for (int j = m+n; j > i; j--) { System.out.print(" "); } for (int j = 0; j < 2 * i - 1; j++) { System.out.print("*"); } //第二个三角形 for (int j = 0; j < m; j++) { System.out.print(" "); } for (int j = 2 * n - i; j >= i; j--) { System.out.print("*"); } System.out.println(); } } }
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