Thanks for the participation!

1744A - Number Replacement was authored by MikeMirzayanov and prepared by 74TrAkToR

1744B - Even-Odd Increments was authored and prepared by 74TrAkToR

1744C - Traffic Light was authored by MikeMirzayanov and 74TrAkToR, prepared by 74TrAkToR

1744D - Divisibility by 2^n was authored and prepared by 74TrAkToR

1744E2 - Divisible Numbers (hard version) was authored and prepared by 74TrAkToR

1744F - MEX vs MED was authored and prepared by 74TrAkToR