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...

Standings
A. Primeland's Currency
One day Edge was roaming at Primeland. Primeland is a beautiful country where every banknote is a pr...
B. Easy Substring Problem
Sohom has two strings s and t consisting of lowercase Latin letters. You have to find a permutation ...
C. RedXXXXXXXX
One day while sitting on AUST RedX, Alam was thinking about his future. Suddenly, you came and sat b...
D. Carnival Is Here!
Welcome to AUST CSE Carnival 1.0! The carnival is organized by AUST CSE Society and powered by Integ...
E. Easy Swap
You are given two binary trees b1 and b2, both having the same number of nodes. Nodes are numbered f...
pz1971 Moderate 23/31/52
F. Long Multiplication
You are given an integer n. You have to perform m operations on it. In each operation, you have to m...
G. Another Divisibility Problem
Given 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...
I. Guess the Point
This is an interactive problem 😎 There is a point p in the 2D cartesian plane. You just have to gues...
pz1971 Moderate 5/7/36
J. Maximum OR
Consider this bitwise OR operation between 2 integer numbers, AORB=C You are given A and C. Find the...
K. Friends Group
There is an array a with n integers. Recently array indices are getting friends with each other. Two...
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