# Amazon OA Index ###### tags: `Amazon OA` * [Cost Evaluation](https://hackmd.io/iYYmEiOKQxiDhVUE_8FkTw) * [1135. Connecting Cities With Minimum Cost](https://hackmd.io/qg5c68WtSw6SZE990hfIZg) * [1465. Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts](https://hackmd.io/n4tCa1mjQg66Hs-w8WVpYw) * [1629. Slowest Key](https://hackmd.io/y4bvkw9lQCWdP1mrRBh2Hg) * [Optimal Utilization](https://hackmd.io/WlFdahf_SdCKANRYcdbZBQ) * [Fetch Items To Display](https://hackmd.io/bBAZrTUeRC-Nk1L9I2RJqw) * [Throttling Gateway](https://hackmd.io/v4VBA1uXQ4Gfg_O2ZDO5Og) * [Employment Tree](https://hackmd.io/8FAry1pIQiOlK0NNT21fUA) * [Count of substrings of length K with exactly K distinct characters](https://hackmd.io/6p-H4jaeSPSrUUcq9WvN0g) * [Count of ways to split a given number into prime segments](https://hackmd.io/P5aXNZwhTam11Ck96heYYw) * [1648. Sell Diminishing-Valued Colored Balls](https://hackmd.io/vKl3uCwjQyqJT4X8X3h8yw)