Angels and Demons You are walking at midnight along a road that has N checkpoints numbered from 1 to N from left to ri... |
Beautiful or Not? Rakib & Raghib are two friends. One day Rakib gave an array of numbers to Raghib and told him to mak... |
Robot There were many robots in a robotics lab. Some robots had very high IQ (IQ means task performance). ... |
Inspired by Bermuda Triangle Do you know about Bermuda Triangle? The Bermuda Triangle is a mythical section of the Atlantic Ocean... |
Help IKRI Ikri has a binary string s of length n. (each character of s is either 0 or 1) The weight of the bin... |
Do You Know LIS? Alam has an array a with n elements a1,a2,…,an and an integer x. For each i (1≤i≤n−1) index i and... |
Harry and Hermione - 2 [1 and 2 are completely different problems. Consider reading both.] The monsters are back again. Har... |
Crypto Gift Professor invites his n friends on his birthday. He wants to reward all of them and make them happy.... |
Sofdor Ali and Attack Optimization Tuki and Jha is in the middle of an interplanetary war and their base is under drone attack! They ar... |
Min Value You are given an array of N integers and q queries. In each query you are given an integer value x. ... |
Nearest Light We, iuian develop a virtual vertical line with infinite length are numbered starting from zero from ... |
N Cities In a country there are N cities numbered from 1 to N. To Travel along the cities there are total N b... |
Escape Plan Hey, you are stuck on prison and you have to get out soon. This prison has one way road and you can ... |
Yet Another Query Problem! You are given an array $A$ of length $n$ consisting of integers between $1$ and $10^6$. You need to ... |
ICPC World Final ICPC (International Collegiate Programming Contest) World final is one of the most prestigious conte... |
Bob's Dilemma Alice and Bob have been playing a game on Android phone. It is a PVP game. They can play against eac... |
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... |
Help Chokro Pias and Chokro are good friends. Pias's birthday is coming soon. So, Chokro wants to gift Pias an a... |
Hououin Kyouma! Okabe Rintarou, the mad scientist is doing research to find the most desired Steins Gate. Besides be... |
Trust Me , You Can Solve It ;-) Nafis Shahriar loves to do codeforces programming contests. He is the first candidate master in code... |
Penguins of Madagascar One day the penguins of Madagascar found a string S... Wait... Wait. Actually the setter of the prob... |
Hizitizi's Array Cutting Hizitizi is a new character in our story. In every episode, he gets a task to do from his imaginary ... |
Making Football Teams There are N football teams and each team has a positive number of players. You are given Q queries. ... |
Exists or Not Exists You will be given some numbers. Then there will contain some queries. In every query there will be g... |
Escape the Planet Earth As you know earth is affected by corona virus. Situation becomes worse day by day .Almost 80% people... |