Palindrome and Queries You'll be given an array A of N strings containing lowercase English letters only and Q queries. In ... |
Hello Choto Bondhu! Let's play a game. I will give you a number n. You will have to tell me n2. Okay, it may seem diffic... |
Circle of Death Abir is a school going boy, who loves math. Also, he loves to play with stones. Recently he invented... |
Match the Substring String Matching is an important problem in computer science research and finds applications in data ... |
Quarantine!!! China is one of the strongest countries in the world in the sense of economy and military technology... |
The Mughal Emperor You all must’ve heard the name of the emperor Humayun Mirza. He was a very kind human being. But thi... |
Eeny Meeny 'Eeny meeny miny moe' is a well-known nursery rhyme in English, used (among other things) by kids to... |
Dinner With Aminvai Aminvai is a famous programmer of the world. He has a lot of fans & followers. Unfortunately, he has... |
Weather Report Santu is a newcomer in Rangpur. He is having trouble adjusting with the strange weather of Rangpur. ... |
Rename the Books Everything is short in the Short Land. People use short words when talking to each other or writing ... |
Mushrur Injured in Singara Blast Mashrur Hossain, a programmer, came to Bot-toli from GEC yesterday to attend an event organized by t... |
Playing With Aladdin Aladdin is a fictional character and the titular protagonist of Walt Disney Pictures' 31st animated ... |
PUBG Lover Programmer: The Beginning Sroud loves to play PUBG and does programming contest. He always thinks about converting gameplay to... |
Tic Toc Toe We all know what Tic-Toc-Toe works. But in the anime world, people aren't really interested in norma... |
NAC-SAC Game! (Easy) Akash and Guru are playing an interesting game. They are standing at the two ends of the NAC-SAC bri... |
Ashik's Trouble Ashik is generally a good boy. But recently he has had some trouble with one of his classmates. His ... |
Code Generator Disha has a string $S$. In one second, Disha can choose a subsequence from $S$ that make the word “c... |
Next Permutation A sequence of $N$ distinct integers is called a permutation if all the integers are between $1$ and ... |
Karim Meets Gollum After hearing about Bilbo's Ring that he found in the Misty Mountains, Karim the Hobbit decided to e... |
Array Partition Today Leena learnt about subarrays and partitions. Given an array $A$, a subarray of this array is a... |
Hououin Kyouma! Okabe Rintarou, the mad scientist is doing research to find the most desired Steins Gate. Besides be... |
Butcher of Vowels ...if I'm to choose between one evil and another, then I prefer not to choose at all. -- Geralt (Th... |
Trust Me , You Can Solve It ;-) Nafis Shahriar loves to do codeforces programming contests. He is the first candidate master in code... |
Tricky Racer Talent Bob is a galaxy wide known legend and a racer (in game :P). He always wins races by his trick... |
Jontrona! Isfan vai is on high demand nowadays. You know why, right? However, his best friend is somewhat disa... |