exercism / sml

Exercism exercises in Standard ML.
https://exercism.org/tracks/sml
MIT License
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Update difficulty for exercises #190

Closed Steedalion closed 2 years ago

Steedalion commented 2 years ago

I find that the difficulty of exercises are not well described here, so I attempted to elevate the difficulty of the ones I found challenging. I used matching brackets as the relative landmark to measure difficulty.