#14. 20以内的整数
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ID: 14
Type: Default
1000ms
256MiB
Tried: 8
Accepted: 6
Difficulty: 9
Uploaded By:
林剑
Tags> 20以内的整数
输出0-20之间的所有整数。格式为每四个数字一行,数字之间用逗号隔开
例子：
0,1,2,3
4,5,6,7
......
16,17,18,19
20