鐵人檔案
題目(5kyu)： In some countries of former Soviet Union there was a belief about luc...
題目(5kyu)： ROT13 is a simple letter substitution cipher that replaces a letter w...
題目(5kyu)： The number 1089 is the smallest one, non palindromic, that has the sa...
題目(6kyu)： Complete the solution so that it splits the string into pairs of two...
題目(5kyu)： Coding decimal numbers with factorials is a way of writing out number...
題目(5kyu)： Pete likes to bake some cakes. He has some recipes and ingredients. U...
題目(5kyu)： Write a function named first_non_repeating_letter that takes a string...
題目(5kyu)： A natural number is called k-prime if it has exactly k prime factors,...
題目(5kyu)： My friend John and I are members of the "Fat to Fit Club (FFC)&q...
題目(5kyu)： You are given a string containing 0's, 1's and one or more '?', where...
