CyberChallenge.IT 2018

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CyberChallenge.IT 2018 - Test

Demo of the test for the 2018 edition of CyberChallenge.IT

Additional material for other tests is available at the link https://cyberchallenge.it/training

Question 1

Consider the following incomplete C code snippet:

What would you put in place of ... to have x equal 43?

1 point

x can never become 43

x will always be 43

Clear selection

Question 2

Consider the following C code fragment:

What does j contain after executing it?

1 point

It depends on the compiler

Clear selection

Question 3

The above function is equivalent to (the standard) function...:

1 point

memcpy

strcpy

strcat

memset

Clear selection

Question 4

Consider the following data structure:

What is the value of *(*(table+2)+1)?

1 point

Clear selection

Question 5

What about the C statement int *p = malloc(sizeof(unsigned int));?

1 point

type mismatch error

memory allocated correctly, but errors when storing int values in memory

throws runtime error

no issue with the statement

Clear selection

Question 6

Function min is supposed to return the minimum integer, from the (non-empty) sequence delimited by p (included) and q (excluded):

What would you put in place of ...?

1 point

*p++

-1

(*p)++

Clear selection

Question 7

We are interested in the sum of five numbers. We only know that, if we leave out any one number, the average of the remaining four numbers is 15, 70, 85, 100 or 130.

What is the sum of all five numbers?

1 point

315

385

370

400

430

Clear selection

Question 8

If I eat soup today, then I will eat pizza tomorrow.

Which one of the following statements is equivalent?

1 point

If I eat soup today, then I won’t eat pizza tomorrow

If I eat pizza today, then I will eat soup tomorrow

If I eat pizza tomorrow, then I won’t eat soup today

If I don’t eat pizza today, then I will eat soup tomorrow

If I don’t eat pizza tomorrow, then I won’t eat soup today

Clear selection

Question 9

If FRIEND is coded as HUMJTK, how can CANDLE be written in that code?

1 point

DCQHQK

ESJFME

DEQJQM

EDRIRL

Clear selection

Question 10

Going from point A to B costs 3, from A to C costs 5. Going from B to C costs 5, from B to F costs 7. Going from C to F costs 3. Going from F to D costs 3 and from F to E costs 5.

What is the minimum cost for going from A to E?

1 point

Clear selection

Question 11

There is a pole in a lake. Half of the pole is embedded in the mud at the bottom of the pond, another one third is covered by water, and 40cm stand out of the water.

What is the total length of the pole?

1 point

2.4m

1.6m

1.2m

Clear selection

Question 12

Bob has 20 Euro more than Alice; together they have 60 Euro.

Which of the following sentences is true?

1 point

Alice has 20 Euro

Alice and Bob have the same amount of Euro

Alice has 40 Euro

Alice is richer than Bob

Clear selection

Submit

Clear form

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