cf/mirror

Count Good Numbers

CF
2125C1100· newbie2s512 MB⌨ stdin/stdout
#bitmasks#combinatorics#math#number theory

Examples

Sample 1of 1multi-test • hover to link
Input
4
2 100
2 1000
13 37
2 1000000000000000000
Output
21
227
7
228571428571428570
2125C.cpp
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Ln 11·137 BGNU C++20 (64)