m69 says ''Пу́тин хуйло́''

m69 says ''Пу́тин хуйло́'' has asked 2 questions and find answers to 100 problems.

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I am an amateur programmer. I've had no formal training. I once used a liana to traverse a tree.

m69 says ''Пу́тин хуйло́'' questions

Should I use a bit mask when truncating uint64_t to uint8_t[i]?
Can an array be grouped more efficiently than sorted?

m69 says ''Пу́тин хуйло́'' answers

Find the smallest area rectangle covering a query point
Compressing unix timestamps with microseconds accuracy
Algorithm that can create all combinations and all groups of those combinations
Find missing letter in list of alphabets
Difference between two products nearest to zero: non brute-force solution?
Gold Rader bit reversal algorithm
Algorithm - Smallest subtraction
An efficient algorithm to count the number of integer grids
Efficient algorithm to find the n-th digit in the string 112123123412345
Efficient data structure for storing a long sequence of (mostly consecutive) integers