Just Another String Problem
A string is called good if the number of occurrence of every character in it is even. For example, “...
Festival of Sticks
In the vibrant village of Stickeville, an annual tradition known as the Festival of Sticks is celebr...
Suffix Cutting
You are given an array a consisting of n integers a1​,a2​,....,an​. The array is called beautiful if...
Schrödinger's Brightness
Antman is in the quantum realm. He has n orbits which are concentric and circular. These are called ...
Invertible Construction
You are given two integers n and k. We define an operation on a r×c binary matrix as follows: Choos...
Farewell
Alice has found an array A containing n non-negative integers, where the i-th element is named Ai​. ...
You Are Programmer, You Have No Valentine!
One morning, Rose woke up early, and her husband, Alice, asked what was the matter. She told him, "I...
Nodes and Depth
From the above figure, the number of nodes for the first three depths are 3, 9, and 27. You will b...
Gopal's Grand Gambit: Tracking Montri's Treachery
We're familiar with Krishnanagar, ruled by King Krishnachandra Roy and his council, including the no...
Mysterious Quadrilateral
The four angles of a quadrilateral are defined as follows: ∠A = (X * Y)°, ∠B = (X * 2 * Y)°, ∠C = ∠D...
Do you have Arithmophobia ?
Don’t worry! If you are a programmer, you might not have arithmophobia!! But Era has a weird phobia ...
Can You Help?
Hey, hello! Yes, I am talking to you, whoever is reading this problem statement. I know you are Robi...
Anina's Christmas Tree
This Christmas Anina and her friends have decided to make some Christmas trees to decorate her town....
Escape Room : The Deadly Puzzle Game
Context: An escape room, also known as an escape game or puzzle room, is an immersive challenge wher...
Who Win the Game!!
Two friends, Alice and Bob are participating in a car race. The length of the race track is 1000km. ...
The Cipher
In an ancient civilization, shrouded in the mists of time, there existed a group of mathematicians k...
Anina’s Birthday Gift
Anina is a girl who is very much interested in mathematics. She likes to solve Geometry and Counting...
Hack the Vault Security
The Cricket World Cup 2023 happened and grabbed everyone's attention with awesome games and amazing ...
Will Ichigo Die Single?
Uzumaki D. Ichigo and Taimuna Ahmed Oindrila are classmates. Ichigo has harbored feelings for Oindri...
ICPC Cricket Challenge
In the ICPC World Cup cricket match, Bangladesh won the toss and chose to field first. To secure a v...
RAIKO_ Moderate 51/55/81
Cricket Clock
ICC world cup is a prestigious sports event for the cricketer and also for their fans. As a die hard...
Target Always Next WC
After Watching a devastating World Cup of Bangladesh Cricket Team, Mr. Papon Decided to Start being ...
Bob and Array Sum
Bob was super excited about the big Cricket World Cup 2023 final. But his dad said, "No game if you ...
Rotate the World Cup
As a Bangladeshi cricket fan, this World Cup was not a good memory for us. The only positive aspect ...
Easy Path
After performing so badly in the World Cup, Mushfiq left cricket and started problem solving. You to...
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