Regular expression and strStr. I was not able to give KMP algorithm to strStr
Developer It Applications Interview Questions
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We have a log file, can grow pretty big. Each line is a trace-log, and the first field is the RequestID. We need to scan the file, and print all the logs for requests which resulted in error .. 001 <timestamp> BEGIN 001 <timestamp> fetched from db 001 <timestamp> some processing .. 002 <timestamp> BEGIN .. 002 <timestamp> fetched from db 001 <timestamp> returned success 003 <timestamp> BEGIN 001 <timestamp> END 003 <timestamp> some work 002 <timestamp> ERROR 003 <timestamp> some other work
Reverse an integer without using string operations.
The coding problem in 2nd round.
We draw a person at random from the street. Then we keep drawing people until we find someone taller than the first person. What is the expected number of draws we have to wait?
Given a set of points (x,y) and an integer "n", return n number of points which are close to the origin
Given an array A of n integers, in sorted order, and an integer x. design an O(n)-time complexity algorithm to determine whether there are 2 integers in A whose sum is exactly x.
given non-zero number array A, create array B where B[i] = product of all elements in A except A[i].
First explain what a tree, then binary tree, then a binary search tree is. Now implement a function that verifies whether a binary tree is a valid binary search tree.
Write a code for determining the given integer is palindrome in binaries.
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