Susquehanna International GroupOA #7
Quant Section (Probability / Brainteasers)
估计简单概念题评测数据准备中，可先阅读题面
考点（AI 标注）位运算
Q1. Spiders / Chickens / Cows — 520 Legs
You walk into a barn and see a collection of spiders, chickens, and cows. You notice that there are 520 legs in total. The number of chickens is twice the number of cows and the number of spiders is twice the number of chickens. Compute the number of spiders.
Answer: 52.