OJ Board

An example is the following:

P - your position
X - enemy

.....
.PX..
.....

X's direction is to the left and you decide to go to the right:

.....
.XP..
.....

This is forbidden because you jump over X and he jumps over you.

That still does not answer whether this is possible:

PX
..

to

X.
P ...

I think there is an error in this problem. The problem statement claims that the input will describe the lower left and upper right corners of the rectangle. A situation where the lower right and upper left corners are described should therefore never occur (and a program that encounters such input ...

There are a lot of things with this problem that I find difficult to understand. I would be happy if someone could help me. (I am a hurry, and should complete this task no later than Monday 25th as it is part of my homework in a course. I have already submitted a solution, which was judged WA.)

For ...

When I get automatically logged out I have to login twice, after which it seems that I have logged in. When I then click on a link I have to login a third time. (I use Mozilla Firefox.) Now this has happened when I submitted a problem. Having logged in I got the message that I had to pick a ...

Thanks! That's great!

How will I know when the input file is fixed?

It seems that my program is reading until it runs out of input, and then continues to wait for input, since it changed from TLE to WA when I changed my program so it would exit if it didn't get the input it wanted.

My program does not depend on the amount of whitespace in the input. It does not ...