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n= 20 for (i=0;i<n; i--) print i the question was to change or replace a only one character in for loop to print 20 times.
Find all duplicate files by content in your filesystem.
Print a linked list in reverse recursively and non-destructively.
1--a 2--b ... 26--z given a digit , return the count of the possible output eg. '1313' --- 4 acac mac mm acm '101' --1 ja cannot discard any digit .
Design a data structure that supports insert, delete min, delete max, get min, and get max, all in log(n) time.
Given set of coins and each coin has its unique probability to be head up, say double[] probs stores the probability values for all coins, print out all different cases and accordingly probability.
To return the 'm' smallest numbers from a file of 'n' numbers
Rand(7) from Rand(5)
Write a function that divides one number by another, without using the division operator, and make it better than O(n).
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