5844: k5-9-6 蛇形方阵2
Memory Limit:128 MB
Time Limit:1.000 S
Judge Style:Text Compare
Creator:
Submit:0
Solved:0
Description
输入一个正整数n,生成一个n*n的蛇形方阵
Input
一行一个正整数n,1<=n<=20
Output
共n行,每行n个正整数,每个正整数占5列
Sample Input Copy
5
Sample Output Copy
15 7 6 2 1
16 14 8 5 3
22 17 13 9 4
23 21 18 12 10
25 24 20 19 11