cf/mirror

Digits Sequence (Hard Edition)

CF
1177B1800· expert1s256 MB⌨ stdin/stdout
#binary search#divide and conquer#implementation

Examples

Sample 1of 2
Input
7
Output
7
Sample 2of 2
Input
21
Output
5
1177B.cpp
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Ln 11·137 BGNU C++20 (64)