1. K-th largest number in the array
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Find unique characters in the string
If Mary is currently 50 yrs old and her mother is 76 yrs old. How many years back was her mother 3 times as old as Mary?
How to swap two variables without a temp
pgm for string length? and explain each part. of program.
Suppose you have a huge collection of integer values, in an array or a list or some similar data structure. Now suppose there are exactly two appearances of all integers, except one. In other words, each integer appears twice, in some random order, except 1. How would you find that 1 integer.
Check if two strings are Palindrome
2SUM problem and how to optimize it.
write a program to delete the space between words. input:"qapitol qa" output:"qapitolqa"
What sorting algorithm I would use for sorting an array?
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