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HackerRank Pseudocode Quiz -1

Question 1

Time: 00:00:00

What is the output of the following code?

0.5 0.5 0.5

0 0.5 0.5

0 0 0.5

0 0 0

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Once you attempt the question then PrepInsta explanation will be displayed.

As x and y are int variables, 0 is printed . (x / y) is calculated first and then changed to double so 0 and final ans is 0.5.

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Question 2

Time: 00:00:00

What is the return type of size of the operator?

Long long int

Double

Int

Unsigned int

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Explanation - unsigned int is the return type of size of operator

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Question 3

Time: 00:00:00

What is the output of the following code?

Compile time error›

Will Run Perfectly

Will call main once

Will call main until the stack is not full

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Explanation - main is called until the stack is not full

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Question 4

Time: 00:00:00

What is the output of the following code?

Compile time error›

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Explanation - f is initialized as 2 and 2 is printed and function is not called

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Question 5

Time: 00:00:00

What is the complexity of the following code?

$Log_{2}n$

$Log_{10}n$

$n^{2}$

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Explanation - Since i is getting increase by 10, loop will run n / 10 times that is 10

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Question 6

Time: 00:00:00

Predict the output

Compile Time Error

Runtime Error

10 20 10 20

10 20

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Explanation - Since the scope of y is only for the braces, printing it outside the scope will result in compile-time error

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Question 7

Time: 00:00:00

Predict the output

42 8

42 -42

42 43

42 -43

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Explanation - Since the not operation is applied to x, it will invert all the bits so -43

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Question 8

Time: 00:00:00

Predict the output

'0'

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Explanation - Since there is no value, size of array a is 0

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Question 9

Time: 00:00:00

Predict the output

Compile Time Error

Run time error

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Explanation
@ cannot be used in identifier

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Question 10

Time: 00:00:00

What is the output of the following code?

0 1 2 Default

1 2 Default

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Explanation - Since 11 % 4 = 3 and 3 / 2 = 1 . Since there are no break statements 1 , 2 and default are printed

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["0","40","60","80","100"]

["Need more practice!","Keep trying!","Not bad!","Good work!","Perfect!"]

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