First warmup
First warmup

chandps/Hackerrank,chandps/Topcoder,chandps/CodingChallenges,chandps/CodingChallenges,chandps/Hackerrank,chandps/Topcoder,chandps/Hackerrank,chandps/Topcoder,chandps/CodingChallenges,chandps/Topcoder,chandps/Hackerrank,chandps/CodingChallenges,chandps/CodingChallenges,chandps/Hackerrank