So Long
As all people know ICPC can be very dull sometimes for people other than contestants. Jodu, Modu, an...
Big Tang Theory
Shell Don (Shelly in short) is a theoretical physicist who is claimed to be highly intelligent with ...
StackLang
StackLang is a stack-based programming language. Here, each program contains a series of commands th...
MEXimum
Let’s get straight to the point. You are given a tree. In the tree, each node u has a number au​ ass...
Counting Friends
Johnny uses a social network called Supernova. Unlike the other social networks, Supernova does not ...
Yet Another XOR Tree Problem
You are given a tree with N nodes. A non-negative weight is assigned to each edge of the tree. Let’s...
Protik and Hill Climbing
Who doesn't want to save a mother? Like everyone,  Protik was finding a way to earn some money (he h...
Rational Monkey
There lived a wise monkey in the forest of Amazon. One day he started searching the jungle for banan...
Nearest Light
We, iuian develop a virtual vertical line with infinite length are numbered starting from zero from ...
Escape Plan
Hey, you are stuck on prison and you have to get out soon. This prison has one way road and you can ...
ICPC World Final
ICPC (International Collegiate Programming Contest) World final is one of the most prestigious conte...
Buckets of Water
In Abby's area the water is available in the tap only from 6AM to 8AM. So, Abby thought she would st...
Mr. Hikiko and a Strange Game (Hard)
Mr. Hikiko recently downloaded a strange game on his phone from a store. This game is quite interest...
Race in DomKi
There is a kingdom called DomKi. DomKi has N city and N-1 two-way road. Each city is numbered with 1...
A Super Easy Problem - "Array Query"
Let's get into the problem directly without much description this time :D . You are given an array A...
Easy Peasy, Lemon Squeezy
Let's consider an array A which is initially empty. We'll perform two types of operation on that arr...
Video Game Pro
Shefin is playing a video game. In this game, there will be $N$ buildings in a row. $i^{th}$ buildin...
Making Football Teams
There are N football teams and each team has a positive number of players. You are given Q queries. ...
United State of Koanhali
Koanhali is a strange country. The govt. of Koanhali maintain the marriages of this country. If you ...
Exists or Not Exists
You will be given some numbers. Then there will contain some queries. In every query there will be g...
Another String Query Problem
This time I'm going to introduce you to a new land, called String Land. In String Land there are N ...
Kingdom of Equality
There is a kingdom called DomKi. There are N cities and N – 1 bidirectional roads in DomKi. The citi...
Erik: The Candyboy - 2
Now Erik has more candies than he had previously. In fact, he has infinite number of candies, and he...
Yet Another Xinversion
The problem statement is simple. You are given a rooted tree (1 is the root) and every node has a co...
Social Distancing
The country of KhoaNali is structured as a giant road with N buildings on both sides, the northern b...
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