Exercise 5-3 Digital Pyramid (15 points)

Exercise 5-3 Digital Pyramid (15 points)

#include<cstdio>
int num(int n);
int main()
{
	int n;
	scanf("%d",&n);
	num(n);
	return 0;
} 
int num(int n)
{
	for(int i=1;i<=n;i++)//行数 
	{
		for(int j=1;j<=n-i;j++)//输出前一半空格 
		{
			printf(" ");
		}
		for(int j=1;j<=i;j++)//输出后一半 
		{
			printf("%d ",i);
		}
		printf("\n");//每一行输出结束后换行 
	}
}