题目描述 Today the first round of the Soccer World Championship in France is coming to an end. 16 countries are remaining now, among which the winner is determined by the following tournament: 1 Brazil -----+ +-- ? --+ 2 Chile ------+ | +-- ? --+ 3 Niger…
Description Probability Time Limit: 1 sec Memory Limit: 16MB Consider rectangular coordinate system and point L(X,Y) which is randomly chosen among all points in the area A which is defined in the following manner: A = {(x,y) | x is from interval [-…