3
17 24 1 8 15 23 5 7 14 16 4 6 13 20 22 10 12 19 21 3 11 18 25 2 9
In following homework:
广场路小学陈xc特训1
寒假集训B班2月5日-二维数组进阶
Using your YCKC Online Judge universal account