cf/mirror

M-numbers

CF
1297G3s256 MB⌨ stdin/stdout
#*special#dp#math

Examples

Sample 1of 4
Input
24 9
Output
226
Sample 2of 4
Input
24 1
Output
38
Sample 3of 4
Input
5040 1000000000
Output
111121111315213227111
Sample 4of 4
Input
2020 2020
Output
-1
1297G.cpp
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Ln 11·137 BGNU C++20 (64)