Problems from Calgary Collegiate Programming Contest 2022

Languages
All Colourings0.10887742432%5.8Harden
Binary Choosing0.00852589938%5.1Mediumen
Charged0.0041530917456%2.2Easyen
Code to Save Lives0.00561953105554%1.7Easyen
Gandalf's Spell0.009464127743%2.1Easyen
Guilds0.0728149722345%5.0Mediumen
Head Guard0.004495744546%2.1Easyen
Invoker (Easy)0.004619813870%2.3Easyen
Invoker (Hard)0.00211875664%3.3Mediumen
Raising the Bar0.008724312351%4.8Mediumen
Sacred Texts0.0025458721937%4.0Mediumen
Solution Pollution0.02771311652%7.0Harden
Successful Zoom0.0194234874832%2.2Easyen
Tree Canopy Graphs0.10612517432%8.1Harden
Zoom0.00132322124153%1.7Easyen