Write a method to return all permutations of a string.
Intern Software Interview Questions
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Find the rectangle of maximal area under a histogram
Calculating the max execution time of a program that had to fit into a certain size of memory on an embedded device.
How to delete the file "-f" with rm.
Write this function (on a Google doc): /*How many ways can you make change given the following denominations? ie, if numCentsToMake is 6 and denominations is [25, 10, 5, 1], then it should return 2: either a nickel and a penny or 6 pennies.*/ int numWaysToMakeChange(int numCentsToMake, int[] denominations)
Given a binary search tree, return the most approximate number to the one passed as input.
Given an array of integers, provide an efficient way of finding an integer that appears only once in this array.
Find the largest continuous sum given an array of integers. Given an array of characters and a dictionary sorted in alphabetical order, find the ten longest words in the given dictionary that could be formed using the characters in the array.
Reverse a string.
Would Java Bytecode generated by Java 7 work on a JVM made to function on Java 1.0?
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