Welcome to a new post of the How to prepare for an interview series, In this post I will solve a new set of problems. If you didn't read previous post, Read it from here.

52. Implement a hash table.

53. How to validate is a binary search tree is legit?

54. Implement a pow(base, exp) function.

55. Implement the pow function iteratively.

56. Given like -77288.100, a772sb, 2000.00.11. return if it's a number.

57. Find maximum successive sum in an array.

58. Reverse words in a sentence.

59. Check if an element is present in a completely sorted 2D array.

60. Determine if a graph is bipartite.

61. How would you implement division without +, - or *?

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Remember you should discuss these solutions with me, and refer if there are mistakes or other good solutions.

**Problems**53. How to validate is a binary search tree is legit?

54. Implement a pow(base, exp) function.

55. Implement the pow function iteratively.

56. Given like -77288.100, a772sb, 2000.00.11. return if it's a number.

57. Find maximum successive sum in an array.

58. Reverse words in a sentence.

59. Check if an element is present in a completely sorted 2D array.

60. Determine if a graph is bipartite.

61. How would you implement division without +, - or *?

Now we finished this post. Read the next post. Please share this post to your Facebook, Linkedin, Twitter if you liked it.