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谁告诉你目标是(0,0)了

Posted by frkstyc at 2005-08-05 19:13:44 on Problem 2540
In Reply To:我对这个问题有疑问(2540) Posted by:tcxgsy at 2005-08-05 19:12:17
> Hotter Colder
> 
> Time Limit:1000MS  Memory Limit:65536K
> Total Submit:83 Accepted:27 
> 
> Description 
> The children's 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.
> 
> Input 
> 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).
> 
> Output 
> 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. 
> 
> Sample Input 
> 
> 10.0 10.0 Colder   //我这有疑问: 是和(0,0)比较,它给的都是临界的条件。
> 10.0 0.0 Hotter     但是我认为它的输入输出有问题:10.0 0.0 Hotter 应该输出 50或25 
> 0.0 0.0 Colder         0.0 0.0 Colder(应该是 same); `
> 10.0 10.0 Hotter
> 
> 
> Sample Output 
> 
> 50.00
> 37.50
> 12.50
> 0.00
> 
> 
> Source 
> Waterloo local 2001.01.

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