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Yahoo phone screen on 11/05

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mahajandiwakar 发表于 2015-11-8 01:31:28 | 显示全部楼层 |阅读模式

2015(10-12月) 工程类 硕士 全职@Yahoo - 校园招聘会 - 技术电面 |Otherfresh grad应届毕业生

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Yahoo phone screen on 11/05

First part of the interview was spent discussing my resume and projects that I have done. The interviewer followed up with questions like why did you choose DyamoDB over mongoDB, security issues of using AWS etc.

Coding question:Given a phone number provide the possible valid words using the letters in the keypad
For example: the keypad is like . 涓浜-涓夊垎-鍦帮紝鐙鍙戝竷
1() 2(ABC) 3(DEF)
4 (GHI) 5(JKL) 6(MNO)
. 鍥磋鎴戜滑@1point 3 acres
given a number 23 the possible words are AD, AE, AF, BD, BE, BF...... and these words can be checked using a dictionary.
.1point3acres缃
Easy problem was able to solve it. Hoping for a favourable reply!


sanguine 发表于 2015-11-12 03:45:26 | 显示全部楼层
LZ这个是LeetCode里面的

https://leetcode.com/problems/letter-combinations-of-a-phone-number/

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