# When? Question Answer
1 10 months, 2 weeks ago F - Dates

Can we assume that all days are from the same year


2 10 months, 2 weeks ago A - Guess the number

si selecciono a v en alguno de los pasos se acaba el juego al momento o debo pagar?

You should pay first.

3 10 months, 2 weeks ago H - Colors I

Is Euclidean distance the same as Manhattan distance?

No, euclidean distance between points (x1, y1) and (x2, y2) is:

- sqrt((x1 - x2)^2 + (y1 - y2)^2)

sqrt(x) stands for square root of x

4 10 months, 2 weeks ago F - Dates

We must assume February has 29 days always?

No, only on leap years.

5 10 months, 2 weeks ago General

Special notes about Java

There must be a class which must contain a name for the 'main' static methods (functions), this method is the entrance. Your main class name must be 'Main'.

6 10 months, 2 weeks ago C - Straight Lines

In problem C (Straight lines), modulo operation should be applied on second value, not the first.


7 10 months, 2 weeks ago A - Guess the number

Spanish version of the problem A (Guess the number) was fixed. Item 3 should have said:

De lo contrario, él elige el número entero NO USADO ANTERIORMENTE más pequeño que exceda a x (y no exceda N). Esto tambien le cuesta $1 a Randy.

The online version of the document is already fixed.


8 10 months, 2 weeks ago General

You can download english and spanish version of the statement at:
- english:
- español:

Good luck