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Amazon C Interview Questions
Questions Answers Views Company eMail

How would you print out the data in a binary tree, level by level, starting at the top?

 6 22637

Write an interactive c program that will encode or decode a line of text. To encode a line of text, proceed as follows: Convert each character, including blank spaces, to its ASCII equivalent. Generate a positive random integer. Add this integer to the ASCII equivalent of each character. The same random integer will be used for the entire line of text. Suppose that N1 represents the lowest permissible value in the ASCII code, and N2 represents the highest permissible value. If the number obtained in step 2 above exceeds N2, then subtract the largest possible multiple of N2 from this number, and add the remainder to N1. Hence the encoded number will always fall between N1 and N2, and will therefore always represent some ASCII character. Display the characters that correspond to the encoded ASCII values. The procedure is reversed when decoding a line of text. Be certain, however, that the same random number is used in decoding as was used in encoding.

1 11741

if the address of a[1,1] and a[2,1] are 1000 and 1010 respectively and each occupies 2 bytes then the array has been stored in what order?

 4 24183

What is the output of following program ? int main() { int x = 5; printf("%d %d %d\n", x, x << 2, x >> 2); }

 5 20941

write a C program:There is a mobile keypad with numbers 0-9 and alphabets on it. Take input 0f 7 keys and then form a word from the alphabets present on the keys.

 1 14941

main() { intx=2,y=6,z=6; x=y=z; printf(%d",x) }

 5 20128

Find the second largest element in an array with minimum no of comparisons and give the minimum no of comparisons needed on an array of size N to do the same.

 705

How do you convert a decimal number to its hexa-decimal equivalent.Give a C code to do the same

 643

What is a C array and illustrate the how is it different from a list.

 1 962

What is the time and space complexities of merge sort and when is it preferred over quick sort?

 665

Write a function which takes as parameters one regular expression(only ? and * are the special characters) and a string and returns whether the string matched the regular expression.

 641

What are the differences between new and malloc in C?

 598

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Amazon C Interview Questions


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What is coding?

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What is shutdown of electrical sub station?

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What is collaborative filtering in machine learning?

118

Describe cloud computing as concisely and simply as possible in layman language?

815

What is the name of a file?

482

Explain different ways to create an empty numpy array in python?

497

How to Set a root password if there is on root password.

576

What is simple html?

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define an error-first callback?

228

What is access path in as400?

838

How long can an error message be in raiseerror function?

538

What is ipc$ used for?

564