编程打印形如图3_6所示的n*n方阵的上三角形

算法设计与分析课后习题3_4
编程打印形如图3_6所示的n*n方阵的上三角形

#include<stdio.h>

int main()
{
int i,j,k,n,l,middle,temp;
printf("几阶？");
scanf("%d",&n);


k = 1;
temp = 0;
middle = 0;
for(i=1;i<=n;i++)
{
   middle = i+1;
   k += temp;
   printf("%d ",k);
   l = k;
for(j=n;j>0;j--)
{
    if(j==1)
       printf("\n");
    else
	{
     l += middle;
	 if(i+j<=n+1)
     printf("%d ",l);
     middle++;
	}
}
temp++;
middle--;
}

return 0;
}