kobi-ca/how-many-numbers-are-smaller-than-the-current-number

leetcode how-many-numbers-are-smaller-than-the-current-number

https://leetcode.com/problems/how-many-numbers-are-smaller-than-the-current-number/

https://leetcode.com/problems/how-many-numbers-are-smaller-than-the-current-number/discuss/607549/five-line-c-solution-that-doesnt-work

https://en.cppreference.com/w/cpp/algorithm/exclusive_scan

Need cmake -DCMAKE_TOOLCHAIN_FILE=conan_toolchain.cmake