数字倒换
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现在有一个数字为4位的num，把这4位的数字，倒过来输出。 比如1234，输出4321.
描述
数组num的范围为1000~9999
格式
输入
1234
输出
4321
样例
1234
4321
条件
1s, 1024KiB for each test case.
26年5月10日 10点
- Status
- Done
- Rule
- ACM/ICPC
- Problem
- 6
- Start at
- 2026-5-10 9:30
- End at
- 2026-5-10 19:30
- Duration
- 10 hour(s)
- Host
-
weilaicheng
- Partic.
- 6