This is exactly my thoughts on it. Granted I was never strong in math, and that's partly on me, but the early days (and even most mid days) of AoC are usually

This is exactly my thoughts on it. Granted I was never strong in math, and that's partly on me, but the early days (and even most mid days) of AoC are usually all about algorithms design and efficiency, but then sometimes you get these random "pick the right math formula" ones and just like you said, I have to "skip" them and it's so demotivating.