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Recent questions tagged placement-questions

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DRDO Scientist B exam suggestions
Does anyone have any experience of giving DRDO Scientist-B exam? The official site says its a descriptive examination but how to write answers in a better way(apart from ...
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Maximum Continuous Sum in an Array
Given an array of $n$ elements find the maximum continuous sum in it. For example consider the below array of $n=6$.23 4 -10 2 15 1Answer is 35.
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Equivalence of Boolean Expressions
Write an object oriented code for representing boolean expressions and then a function for checking the equivalence of two boolean expressions.
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Evaluate an arithmetic expression
Given an arithmetic expression involving *, + only write an object oriented code for its representation and evaluation
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Multiplication without '*'
Write a function (proper programming code) for multiplying two integers without using '*' operator and considering all corner cases.
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Maximum length substring with k unique characters
Given an input string of length $n$, find the maximum length of the substring containing maximum $k$ unique characters. For example, for "abbcdaadcd" and $k=2$ answer wil...
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Zigzag Arrangement
Given an array with possible repeating elements you have to rearrange such that elements are alternatively decreasing and increasing (strict increase/decrease). For examp...
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Array
The information about an array used in program will be stored inSymbol TableActivation RecordBoth (A) and (B)Dope Vector
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what is the best time complexity to find maximum product of exactly k elements in an array ?
According to me first we sort the array in O(nlogn) time and then in O(k) time , find the product , so total time complexity is O(nlogn) , so am I right or can it be done...
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In how many ways a rook can go from SouthEast to northwest corner of 8×8 chess board if travels only upwards or left?
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Open the lock
You are given a number lock of 4 digits and it accepts a serial input. What should be the minimum length of an input string so that the lock is guaranteed to open assumin...
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Wine Bottle
A bad king has a cellar of 1000 bottles of delightful and very expensive wine. A neighboring queen plots to kill the bad king and sends a servant to poison the wine. Fort...
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How to manipulate the given linked list in the following manner in O(n) time ?
If we are given a linked list then we have to manipulate such that even indexed node are arranged together and oddindexed nodes are arranged together after even indexed n...
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