Coding

Question 1

Write a function to reverse a string.

Answer 1

Compile code

Question 2

Write function to compute Nth fibonacci number. Try recursion and iteration.

Answer 2

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Question 3

Print out the grade-school multiplication table up to 12x12

Answer 3

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Question 4

Write a function that sums up integers from a text file, one int per line

Answer 4

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Question 5

Write function to print the odd numbers from 1 to 99

Answer 5

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Question 6

Find the largest int value in an int array.

Answer 6

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Question 7

Format an RGB value (three 1-byte numbers) as a 6-digit hexadecimal string.

Answer 7

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Question 8

A k-palindrome is a string which transforms into a palindrome on removing at most k characters.

Given string S, and interger K, print “YES” if S is a k-palindrome; otherwise print “NO”.
Constraints:
S has at most 20,000 characters.
0

Answer 8

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Question 9

Determine if a string has all unique characters.

Answer 9

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Question 10

Reverse a string in place

Answer 10

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Question 11

Remove duplicates in a string in place

Answer 11

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Question 12

Write a method to decide if two strings are anagrams or not

Answer 12

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Question 13

Assume you have a method isSubstring which checks if one word is a substring of another string. Given two strings s1, and s2. write code to check if s2 is a rotation of s1 using only one call to isSubstring (i.e., “waterbottle” is a rotation of “erbottlewat”).

Answer 13

Compile code