A.
Enemy Charlie Alice and Bob have stopped playing games. They became friends again. They both agreed that M is thei... |
B.
Same Parity Split A tree is a connected graph without a cycle. Given an undirected tree with n nodes labeled from 1 to... |
C.
Yet Another XOR Problem You are given an integer array a of size n. You need to select an integer K(0≤K<231) and perform the... |
D.
Lazy Division You are given an array a of length n. You have to perform the following operation on the array q tim... |
E.
Distinct Numbers This is an Interactive Problem. The judge has a secret array A of size n. You can ask the judge at m... |
F.
Luffy Will Become the Pirate King Whitebeard is testing Luffy to see if he can become the Pirate King. Whitebeard has given Luffy thre... |
G.
The Last of Us Your friend Herok loves Math so much. He is going to write some numbers on some paper. As he is your... |
H.
Least Complicated Mind You are given an array A of N positive integers. You can do the following operation any number of ti... |
I.
Tour De Chittagong The city of Chittagong can be considered a weighted directed acyclic graph (DAG) of n nodes and m ed... |
J.
A Moment of Happiness Solving a problem during a programming contest is always a moment of happiness. During the CUET CSE ... |