Challenge: https://app.codility.com/programmers/challenges/molybdenum2019/ Certificate: Golden https://app.codility.com/cert/view/certCYM6G6-NWYZZB3UFVADQ8JA/ Report: https://app.codility.com/cert/view/certCYM6G6-NWYZZB3UFVADQ8JA/details/