CareerCup

A soccer league has n matches with A,B,C teams with number of goals scored by each team in each match.If a team wins against another team ,It gets 3 points and lost team gets 0 point.If a tie ,both team gets 1 point.Now how do you frame the ranking of teams.

1) All teams played n matches.
2) A team 1 match,B Team 2 matches, 3 team 3 matches.Like wise it goes.

They looked for coding and data structure techniques.

A log file which has user details(user ID,timestamp) and pages visited in a particular day by that user.The next day -the same kind of log file gets generated.How do you find the probability of users who logged in consecutive days out of the second day - logged in users? The question is simple,but they look for the efficient data structure and time complexity.