打印杨辉三角

杨辉三角

#include <stdio.h>
int main(void)
{
	int high, row, col;
	int a[10][10];
        scanf("%d", &high);
	
	//存放数值 
	for(row = 0; row < high; row++)
	{
		a[row][0] = 1;
		a[row][row] = 1;
	}
	for(row = 2; row < high; row++)
	{
		for(col = 1; col < row; col++)
		{	
			a[row][col] = a[row-1][col] + a[row-1][col-1];
		}	
	}	
	
	//输出 
	for(row = 0; row < high; row++)
	{
		for(col = 0; col <= row; col++)
			printf("%-3d", a[row][col]);
		putchar('\n');
        }
    
	return 0;
}