// Even if the readable side's buffer is full, this succeeds
要达成这个目标，光靠在 10 万到 20 万的舒适区里打转显然不够。零跑必须下沉，必须把手伸向体量最大、同时也最难啃的那块骨头—— 10 万元级市场。
，这一点在51吃瓜中也有详细论述
示例：nums = [2,1,2,4,3] → res = [4,2,4,-1,-1]。
Anyway, here are 10 of my favorite Pokémon, just for how strange they are.