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Arnab Chakraborty has Published 4452 Articles
![Arnab Chakraborty](https://www.tutorialspoint.com/assets/profiles/123881/profile/60_2940367-1661162113.png)
Arnab Chakraborty
243 Views
Suppose we have an array A with n elements. In a coding contest, in total n students will participate, and before the start, every one of them has some positive rating (integer). A[i] represents the rating of ith student. After the contest ends, every student will end up with some ... Read More
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Arnab Chakraborty
155 Views
Suppose we have an array A with n elements. A has elements either 0 or 1. There is a tree. In consecutive n days, if A[i] is 0 it is not watered, if it is 1 then it is watered, the flower grows in the following manner −If the tree ... Read More
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Arnab Chakraborty
109 Views
Suppose we have a number n. We want to split it into some non-zero digits whose sum is n. We want to find a solution with minimum possible number of different digits.So, if the input is like n = 13, then the output will be [1, 1, 1, 1, 1, ... Read More
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Arnab Chakraborty
244 Views
Suppose we have a number m and a nested list A with n sub-lists. Consider there are m bulbs, initially all are turned off. There are n buttons and each of them is connected to some set of bulbs. So A[i] is the set of bulbs that can be turned ... Read More
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Arnab Chakraborty
226 Views
Suppose we have three numbers n, m and z. An office receives calls in every n minutes, and some deliveries come to office in every m minutes. Office is open for z minutes. We have to count the minimum number of orders are collected so there are no pending orders ... Read More
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Arnab Chakraborty
802 Views
Suppose we have an array A with n elements, and also another number x. We know the lucky numbers are are positive numbers whose decimal representation only contains lucky digits 4 and 7. Form the given n positive integers. We have to count how many of those have not more ... Read More
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Arnab Chakraborty
120 Views
Suppose we have two numbers n and x. First n natural numbers are written on a blackboard. In ith (i starts from 1) operation, we remove ith number from the blackboard. When there are less than i numbers, we stop removal task. We have to find x-th remaining number after ... Read More
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Arnab Chakraborty
101 Views
Suppose we have three numbers a, b and c. There are three heaps of stones with a, b, and c number of stones respectively. Each time we can do these operations −Take one stone from the first heap and two stones from the second heap (when the heaps have necessary ... Read More
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Arnab Chakraborty
105 Views
Suppose we have a number n. Let there is a hypothesis "There exists a positive integer n that for each positive integer m number (n·m + 1) is a prime number". We have to find such m as a counter example to disprove this statement.So, if the input is like ... Read More
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Arnab Chakraborty
214 Views
Suppose we have a number x. We have to find two integers a and b, such that both of them will be in between 1 and x, a is divisible by b, a * b > x but a/b < x. If not possible, return -1. So, if the input ... Read More