work smarter, not harder
scruffy
ingenuity
fluid intelligence
AI-complete
yak shaving
subproblem
problem-solve
brightness
trial and error
heuristic
solvability
there's more than one way to skin a cat
brain
brainstorm
rationalism
solution
less is more
serious
puzzlery
virtuous circle
a stitch in time saves nine
approximation algorithm
science
three-pipe problem
overengineer
trial-and-error
sharp
think too much
unpuzzle
crack
ameliorative
Einstellung effect
hackaround
problem solving
technacy
wild-goose chase
skill
outsophisticate
a problem shared is a problem halved
uncontrollable
unmanageable
exercise
hard nut to crack
come out in the wash
unsolvable
tough nut to crack
unsoluble
problematic
insolvable