My favorite thing to watch in the summer olympics is weightlifting, have you ever watched that? 
yea i have,  it is an athletic discipline in the modern Olympic programme in which the athlete attempts a maximum-weight
Now is it two or three different lifts that they compete in?
Two competitors lift in order and the weight are snatched and cleaned and jerk
Ah yes that sounds right.  Which lift do you think they are able to lift more weight doing, the snatchh or the clean and jerrk?
Here is the process, each  weightlifter receives three attempts in each, and the combined total of the highest two successful lifts 
What happens if they fail every attempt?
the combined total of the highest two successful lifts determines the overall result within a bodyweight category. Bodyweight categories are different for male and female competitors. A lifter who fails to complete at least one successful snatch and one successful clean and jerk also fails to "total", and therefore receives an "incomplete" entry for the competition. The clean and press was once a competition lift, but was discontinued due to difficulties in judging proper form.
In comparison with other strength sports, which test limit strength (with or
Olympic weightlifting
Olympic-style weightlifting, or Olympic weightlifting, often simply referred to as weightlifting, is an athletic discipline in the modern Olympic program in which the athlete attempts a maximum-weight single lift of a barbell loaded with weight plates.
The two competition lifts in order are the snatch and the clean and jerk. The snatch is a wide-grip, one-move lift. The clean and jerk is a close-grip, two-move lift. Each weightlifter receives three attempts in each, and