#1864. C++-GESP 2023-09认证一级-编程题02（小明的幸运数）
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ID: 1864
Type: Default
1000ms
256MiB
Tried: 55
Accepted: 32
Difficulty: 3
Uploaded By:
吴泽宏 (wuzehong)
Tags> C++-GESP 2023-09认证一级-编程题02（小明的幸运数）
Background
Description
Format
Input
Output
Samples
7
1
10
7
7
10
20
31
Limitation
1s, 1024KiB for each test case.