标签:打印 编程 void i++ new amp ++ sys example
打印出杨辉三角形(要求打印出10行如下图)
1
1 1
1 2 1
1 3 3 1
1 4 6 4 1
1 5 10 10 5 1
public class Example33 {
public static void main(String[] args) {
yanghui(10);
}
public static void yanghui(int n) {
int[][] a = new int[n][n];
for (int i = 0; i < n; i++) {
a[i][i] = 1;
a[i][0] = 1;
}
for (int i = 2; i < n; i++) {
for (int j = 1; j < i; j++) {
a[i][j] = a[i - 1][j - 1] + a[i - 1][j];
}
}
for (int i = 0; i < n; i++) {
for (int k = 0; k < 2 * (n - i) - 1; k++) {
System.out.print(" ");
}
for (int j = 0; j <= i; j++) {
System.out.print(a[i][j] + " ");
}
System.out.println();
}
}
}
标签:打印 编程 void i++ new amp ++ sys example
原文地址:http://www.cnblogs.com/qubo520/p/6955795.html