【入门】拐角V c++

#include<stdio.h>
main()
{
	int N;
	scanf("%d",&N);
	
	for(int i=1;i<=N;i++)
	{
	   int k=i;
		
		for(int j=1;j<=N;j++)
		{
			if(i+j<=N+1)
			{printf("%3d",k);}
			else
			{printf("%3d",--k);}
			
		
		}
		
		printf("\n");
	}
 }