{"trustable":true,"sections":[{"title":"","value":{"format":"HTML","content":"The children\u0027s game Hotter Colder is played as follows. Player A leaves the room while player B hides an object somewhere in the room. Player A re-enters at position (0,0) and then visits various other positions about the room. When player A visits a new position, player B announces \"Hotter\" if this position is closer to the object than the previous position; player B announces \"Colder\" if it is farther and \"Same\" if it is the same distance."}},{"title":"Input","value":{"format":"HTML","content":"Input consists of up to 50 lines, each containing an x,y coordinate pair followed by \"Hotter\", \"Colder\", or \"Same\". Each pair represents a position within the room, which may be assumed to be a square with opposite corners at (0,0) and (10,10)."}},{"title":"Output","value":{"format":"HTML","content":"For each line of input print a line giving the total area of the region in which the object may have been placed, to 2 decimal places. If there is no such region, output 0.00. "}},{"title":"Sample","value":{"format":"HTML","content":"\u003ctable class\u003d\u0027vjudge_sample\u0027\u003e\n\u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eInput\u003c/th\u003e\n \u003cth\u003eOutput\u003c/th\u003e\n \u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cpre\u003e10.0 10.0 Colder\r\n10.0 0.0 Hotter\r\n0.0 0.0 Colder\r\n10.0 10.0 Hotter\r\n\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003e50.00\r\n37.50\r\n12.50\r\n0.00\r\n\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n"}}]}