Forbes magazine publishes every year its list of billionaires based on the annual ranking of the world s wealthiest people. Now you are supposed to simulate this job. That is, given the net worths of N people, you must find the M richest people quickly.-Forbes magazine publishes every year its list of billionaires based on the annual ranking of the world s wealthiest people.　Now you are supposed to simulate this job.　That is, given the net worths of N people, you must find the M richest people quickly.