109.cpp

平时acm训练时ac的源代码

#include <stdio.h>

int main(void)
{
	int N, i, j, s, c;
	scanf("%d", &N);
	if (N==2)
	{
		printf("2 2\n3 4\n4 1");
	}
	else
	{
		printf("%d ", N);
		for (i=2; i<N; i++)
		{
			c = (i+1)*N-i+2;
			for (j=1; j<i; j++)
			{
				printf("%d ", c);
				c++;
			}
		}
		printf("\n");
		s = N;
		if (0==s%2)
		{
			s += 1;
		}
		else
		{
			s += 2;
		}
		c = 2*N;
		printf("%d ", s);
		for (i=1; i<N; i++)
		{
			printf("%d ", c);
			c = c+N-1;
		}
		printf("\n");
		s += 2;
		for (i=N; i>1; i--)
		{
			printf("%d ", s);
			s += 2;
			c = i;
			for (j=0; j<i; j++)
			{
				printf("%d ", c);
				c = c+N-1;
			}
			printf("\n");
		}
	}
	return 0;
}