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General Where is Paul?

Living on inside the problems.
A - Bad Coding Would N ever be 1?

Since every int is called at least once, N is at least 2.
C - Broken Atari For the two change of direction, does the initial direction count as one? If so, is the initial direction from left to right or right to left?

No, the initial movement does not count as a change in direction.
C - Broken Atari can i keep changing the speed (but not direction as much as I want) or can the basket only go at 1 speed each time the joystick is used?

Also, does making the basket move initially at t=0 count as using the joystick?

You can change speed as much or as little as you want (e.g. you can stay still).
E - Fire Emblem: Heroes Does the game stop immediately after K champions are received, or do we need to finish battle N even after receiving K champions?

Yes. This is specified in the second paragraph.
A - Bad Coding Is there a maximum depth of pair nesting?

You can infer this from the value of N.
D - Captcha Gunna Get Ya is the missing captcha digit known to represent 7?

The digit 7 will be in some captcha you receive.
F - Game of Words PSA:

Please note that only one character is changed in total, not one character per word.
General Does the version of gcc/g++ on these computers have support for C++11? When we attempt to compil .cpp source files, we are getting errors that the C++ 2011 standard is not supported.

It is working. Maybe you compile improperly. Try the following command. If same, you may change the computer

g++ -std=c++11 -O2 -o blah blah.cpp
General In the practice contest, one of the clarifications was essential to getting any Java submissions to work. Could you please repost the following as a PSA in case anyone is stuck on it?:

Please use the following class names (make sure classes are public):

Problem A - public class A { ... }
Problem B - public class B { ... }
. . .

Sure. No problem.

Java class names?

Please use the following class names (make sure classes are public):

Problem A - public class A { ... }
Problem B - public class B { ... }
. . .
D - Captcha Gunna Get Ya Are the 6 given digits represented like in the problem statement in all the captchas? So we just need to identify the missing one?

B - Two Card Solitaire Is the first digit in the given output correct?

F - Game of Words Can you change an 'a' to a 'z' or a 'z' to a 'a' ?

No. Neither 'a's nor 'z's are in the input.
General Paul we miss you


E - Fire Emblem: Heroes Why is N bounded by 420

No comment.

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