Problems solved: 36

Product of differences	Tricky	Novirus
Bools and cows	D Flags	5 instead of 1
C Sum	Many digits	Odd divisors
Zero sequence	Special square	Weird games
Half of Octahedron	Parking	Equilateral Triangles
Viet said	Oh-matrix	Just sequence
Money date	Sum probability	VNT
Random answer	2020 Palindromes	Sum of four
Cubical squares	Test	Numbers ratio
2020 digit	5th power equation	Minimizing Fibb
Function	Simple expression	U turn
Arithmetic derivative	Tommorow's day	Temirlan's cake

Games

Under construction