# Problems from AUST CSE Carnival 1.0 Programming Contest

These problems are from a contest organized by Ahsanullah University of Science and Technology CSE Society on January 19, 2023 at 7:45 AM UTC See details...

 A. Primeland's CurrencyOne day Edge was roaming at Primeland. Primeland is a beautiful country where every banknote is a pr... Moderate 17/39/132 B. Easy Substring ProblemSohom has two strings s and t consisting of lowercase Latin letters. You have to find a permutation ... Moderate 32/50/172 C. RedXXXXXXXXOne day while sitting on AUST RedX, Alam was thinking about his future. Suddenly, you came and sat b... Moderate 16/22/56 D. Carnival Is Here!Welcome to AUST CSE Carnival 1.0! The carnival is organized by AUST CSE Society and powered by Integ... Moderate 65/65/74 E. Easy SwapYou are given two binary trees b1 and b2, both having the same number of nodes. Nodes are numbered f... Moderate 22/30/50 F. Long MultiplicationYou are given an integer n. You have to perform m operations on it. In each operation, you have to m... Moderate 7/10/21 G. Another Divisibility ProblemGiven an integer a containing n digits and another integer b, find the number of integers k where bo... H. Magic Exists!Ethene has a pet named “Khatash”. Weird name, right? Ethene loves and adores her pet so much. Khatas... Moderate 42/62/217 I. Guess the PointThis is an interactive problem 😎 There is a point p in the 2D cartesian plane. You just have to gues... Moderate 3/3/12 J. Maximum ORConsider this bitwise OR operation between 2 integer numbers, AORB=C You are given A and C. Find the... Easy 49/53/80 K. Friends GroupThere is an array a with n integers. Recently array indices are getting friends with each other. Two... Moderate 8/11/28
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