nancylin | Activity Streams

nancylin mentioned @windy in the forum topic Points in a Plane in the group Twitter Interview

Thanks 1337 for the hint. I read all the post above and used the test cases from @windy ‘s github code.

Please replace map/set with hash_map/hash_set in the following code, and the algorithm returns in O(n^2) […]

nancylin joined the group Google Interview 1 year, 3 months ago

nancylin in the forum topic Large Scale Problem: Merge Integers in the group Google Interview

i suggest loser tree…

nancylin joined the group Facebook Interviews 1 year, 6 months ago

nancylin in the forum topic Print All Combinations of Characters in the group Facebook Interviews

Could you give more details on ‘backtracking’?
My idea is to have a queue
1. push e, 3 into queue
2. pop all values from queue, append the next character, and push them back into queue (ea, e@, 3a, […]