Where is my suit

Deadpool has become famous among people of New York. People love his suit and want it badly. One fine morning Wade finds his suit missing and suspects someone living in his street to have robbed it. The street in which Wade lives can be defined by four integers L1, R1, L2 and R2.Deadpool wants his suit back, but he could only find the probable positions of the suit. You are given an array A of siz