In this HackerRank Lucky Numbers problem solution, A number is called lucky if the sum…

In this HackerRank Unfair Game problem solution, You are playing a game of Nim with…

In this HackerRank Oil Well problem solution, The rectangular plot bought by Mr. Road Runner…

In this HackerRank Find the Seed problem solution a company needs random numbers for its…

In this HackerRank The Blacklist problem solution A new gangster is trying to take control…

In this HackerRank Tree Pruning problem solution A tree, T, has N vertices numbered from…