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An algorithm is a sequence of well-defined steps that defines an abstract solution to a problem. Use this tag when your issue is related to design and analysis of algorithms.
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A single heap nim game
Consider a game where two players remove sticks from a heap. The players move alternately, and the player who removes the last stick wins the game.
A set P = {p1,p2,…,pk} determines the allowed moves …
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Lexicographic permutation
Consider that you have a permutation of $n$ elements from $1$ to $n$ and you need to sort the elements lexicographical . for example sorted permutation for $n=11$ is $1,10,11,2,3,4,5,6,7,8,9$ .Now con …
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Counting strings with balanced substrings
Consider a string of characters $a, b, c$ only. Such a string is called good if the number of $a$'s + number of $b$'s is equal to the number of $c$'s.
Given an integer $n$, find the number of strings …
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Maximum value of $\{ i \land n \mid a \leq i \leq b \}$
I was doing problems in "Leetcode" and found a problem that I could not solve.
Given a non-negative number $n$ and two non-negative numbers $a$ and $b$, consider every number $i$ such that $a \leq i …
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Distribution of resources from providers to maximum number of receivers
Consider there is a city with $n$ residents who are in need of internet and there are $m$ internet providers in the city. Here in the city every resident needs internet and every resident knows what p …