QHack Coding Challenge Solutions

These are our solutions to coding challenges.

Team: Falcon

We were able to complete 100% of the challenges, but we started quite late and placed 39th. Here's a breakdown of our scores.

Problems

All problem statements can be found at xanaduai/qhack.

PennyLane 101

• order matters
• know your devices
• superdense coding
• finite difference gradient
• bitflip error code

Algorithms

• Deutsch Jozsa
• adapting to the topology
• QFT adder
• quantum counting
• Deutsch Jozsa strikes again

Games

• tardigrade masquerade
• CHSH game
• bomb tester
• find the car
• switches

Quantum Chemistry

• particle conservation
• optimizing measurements
• Givens universality
• triple Givens
• mind the gap

Quantum Machine Learning

• generating Fourier basis
• who likes the beatles
• Ising on the cake
• building qRAM
• UDMIS