Problems from Criterion 2022 Round 17

These problems are from a contest hosted on June 24, 2022 at 2:30 PM UTC. See details...

Standings
A. Life Is All About Balance
Given an array A of N integers, the array will be balanced if you can select at least one index i(1≤...
B. XOR-AND Coupling
You are given an array A of N positive integers A1​,A2​,………..,AN−1​,AN​ which are some powers of 2. ...
C. Adnan And Chess Tournament
Adnan is going to organize a chess tournament. He has invited n players to participate. Each pair of...
D. The Election of Noakhali
Recently, Noakhali became a sovereign state. As a result, the first parliamentary election of the Re...
E. Oyler's Geometric Jumps
The road from Oyler’s home to his school has nsteps, where his home is at step 1 and his school is a...
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