LightOJ – Mathematically Hard
Problem Name: Mathematically Hard
Judge: LightOJ
Algorithms & DS: Euler Phi
Problem Name: Mathematically Hard
Judge: LightOJ
Algorithms & DS: Euler Phi
Problem Name: How Many Zeroes?
Judge: LightOJ
Algorithms & DS: Digit DP
Problem Name: Problem Makes Problem
Judge: LightOJ
Algorithms & DS: Combinatorics, Modular Arithmatics
Problem Name: Combinations
Judge: LightOJ
Algorithms & DS: Combinatorics, Modular Arithmetics
Problem Name: Rooks
Judge: LightOJ
Algorithms & DS: Combinatorics
Problem Name: Eid
Judge: LightOJ
Algorithms & DS: LCM(Euclid), Big Integer
Problem Name: Knights in Chessboard
Judge: LightOJ
Algorithms & DS: Adhoc, Basic Math
Problem Name: Search The Files
Judge: CodeMarshal
Algorithms & DS: Adhoc, Sorting
Problem Name: Fibsieve’s Fantabulous Birthday
Judge: LightOJ
Algorithms & DS: Basic Math
Problem Name: Large Division
Judge: LightOJ
Algorithms & DS: Big Integer