标签：用c编程实现打印杨辉三角
#include<stdio.h>
#include<stdlib.h>
#define line 9
//第n行的m个数可表示为 C(n-1,m-1)，即为从n-1个不同元素中取m-1个元素的组合数。
//即为：num!/(count!*(num-count)!) "!"为阶乘
int factorial(int z) //阶乘
{
int i,count_sum=1;
for (i = 1; i <= z; i++)
{
count_sum *= i;
}
return count_sum;
}
int main()
{
int num, count, kong; //行号-num 数字-count 空格-kong 打印序号-xuhao
for (num = 0; num < line; num++)
{
for (kong = line-num; kong > 0; kong--)
printf(" ");
for (count = 0; count <= num; count++)
printf("%2d ", factorial(num)/ (factorial(count)*factorial(num-count)));
printf("\n");
}
system("pause");
return 0;
}
标签：用c编程实现打印杨辉三角
原文地址：http://10739786.blog.51cto.com/10729786/1702999
