5841: K-5-9-3
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
1 2 6 7 15
3 5 8 14 16
4 9 13 17 22
10 12 18 21 23
11 19 20 24 25