hi everyone im my computer science degree am doing a module on algorithms tho we are studying it i am bit behind my question is what does n - 1 mean (n minus 1) what does n/2 mean (n over 2 or n divided by 2) because stuff like this is being mentioned am soo confused when the being used i need to know what they mean, and why is it being used and when would you use them.. please can anyone help
