Topics tagged coderust-hacking-the-coding-interview_

Topic	Replies	Views	Activity
Why starting fast pointer from head.next and not head in splitInHalf method? Courses sort-a-linked-list-using-merge-sort__linked-lists__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	1	42	November 23, 2022
Example expected result wrong Courses stock-buy-sell-to-maximize-profit__arrays__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	0	35	November 2, 2022
Why memoize solution #2? Courses regular-expression-matching-in-string__strings__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	1	44	October 12, 2022
In the findIndexHigh Courses find-lowhigh-index-of-a-key-in-a-sorted-array__arrays__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust , data-structures-for-coding-interviews-in-java__coderust	1	40	October 11, 2022
Missing display_tree function implementation Courses check-if-two-binary-trees-are-identical__trees__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	1	39	August 20, 2022
A better solution using two pointers Courses word-break-problem__strings__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	1	72	August 1, 2022
Is solution two assuming the array is sorted? Courses data-structures-and-algorithms-in-python__vincent-russo , find-pair-with-given-sum-in-an-array__arrays__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	2	133	July 25, 2022
Find the Smallest Common Number Courses find-the-smallest-common-number__arrays__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	1	69	July 13, 2022
Seems simpler to use built-in functionality - but is it not the "optimal" solution? Courses data-structures-for-coding-interviews-in-javascript__coderust , find-maximum-in-sliding-window__stacks-and-queues__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	2	80	July 4, 2022
The deque stores elements in decreasing order Courses find-maximum-in-sliding-window__stacks-and-queues__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	1	57	June 24, 2022
Understandable exception thrown for solution Courses implement-binary-search-on-a-sorted-array__arrays__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust , binary-search-for-coding-interviews__orange-juice	3	72	June 16, 2022
String.Substring makes it harder to understand? Courses reverse-words-in-a-sentence__strings__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	1	61	June 6, 2022
One-pass solution Courses print-tree-perimeter__trees__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	1	156	May 30, 2022
Memo + String Scan (no recursion) Courses word-break-problem__strings__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	107	May 12, 2022
Very confusing description Courses stock-buy-sell-to-maximize-profit__arrays__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	2	125	May 4, 2022
Solution on java is actually O(n^2) Courses find-kth-permutation__math-stats__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	140	April 27, 2022
The solution for the problem is given right away instead of the "Try it Yourself" being empty Courses coderust-hacking-the-coding-interview__coderust , design-your-own-hashmap__miscellaneous__coderust-hacking-the-coding-interview	1	64	April 26, 2022
Wouldn't the time complexity be a n^4 in the worst case? Courses boggle__back-tracking__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	1	57	April 26, 2022
Main.java:537: error: cannot find symbol - even on empty solution Courses convert-n-ary-tree-to-binary-tree__trees__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	3	86	April 26, 2022
Would the centroid based solution work? Courses closest-meeting-point__miscellaneous__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	0	64	April 25, 2022
This problem doesn't make sense for any language that doesn't allow pointers Courses determine-host-byte-order-endianness__miscellaneous__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	1	39	April 25, 2022
Error in Test harness Courses find-lowhigh-index-of-a-key-in-a-sorted-array__arrays__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	1	53	April 25, 2022
I think the recursive solution can be more concise Courses find-k-sum-subsets__back-tracking__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	1	70	April 25, 2022
Would this be also an acceptable solution? Courses generate-all-combinations-of-balanced-parentheses__back-tracking__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	1	61	April 24, 2022
Approach 2 is O(n^2) Courses remove-duplicates-from-a-string__strings__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	1	51	April 24, 2022
I think there is a different flavor of the same solution with just one pass over the matrix Courses coderust-hacking-the-coding-interview__coderust , unique-paths-to-goal__dynamic-programming__coderust-hacking-the-coding-interview	1	62	April 22, 2022
Since this is not a question on the string manipulation but rather on stacks a simpler solution with StringTokenizer should be used Courses evaluate-arithmetic-expressions__stacks-and-queues__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	1	46	April 21, 2022
Main.java:265: error: cannot find symbol output += "\"hidden\": " + (result.hidden ? "true" : "false") + ","; Courses clone-a-directed-graph__graphs__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	1	46	April 21, 2022
It would be nice if the problem explanation would mention (at least briefly) other ways the problem could be solved Courses mirror-binary-tree-nodes__trees__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	1	44	April 16, 2022
Why doesn't this problem include a recursion based solution? Courses level-order-traversal-of-binary-tree__trees__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	1	67	April 15, 2022

Why starting fast pointer from head.next and not head in splitInHalf method?

sort-a-linked-list-using-merge-sort__linked-lists__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

1

42

November 23, 2022

Example expected result wrong

Courses

stock-buy-sell-to-maximize-profit__arrays__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

0

35

November 2, 2022

Why memoize solution #2?

Courses

regular-expression-matching-in-string__strings__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

1

44

October 12, 2022

In the findIndexHigh

Courses

find-lowhigh-index-of-a-key-in-a-sorted-array__arrays__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust , data-structures-for-coding-interviews-in-java__coderust

1

40

October 11, 2022

Missing display_tree function implementation

Courses

check-if-two-binary-trees-are-identical__trees__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

1

39

August 20, 2022

A better solution using two pointers

Courses

word-break-problem__strings__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

1

72

August 1, 2022

Is solution two assuming the array is sorted?

Courses

data-structures-and-algorithms-in-python__vincent-russo , find-pair-with-given-sum-in-an-array__arrays__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

2

133

July 25, 2022

Find the Smallest Common Number

Courses

find-the-smallest-common-number__arrays__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

1

69

July 13, 2022

Seems simpler to use built-in functionality - but is it not the "optimal" solution?

Courses

data-structures-for-coding-interviews-in-javascript__coderust , find-maximum-in-sliding-window__stacks-and-queues__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

2

80

July 4, 2022

The deque stores elements in decreasing order

Courses

find-maximum-in-sliding-window__stacks-and-queues__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

1

57

June 24, 2022

Understandable exception thrown for solution

Courses

implement-binary-search-on-a-sorted-array__arrays__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust , binary-search-for-coding-interviews__orange-juice

3

72

June 16, 2022

String.Substring makes it harder to understand?

Courses

reverse-words-in-a-sentence__strings__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

1

61

June 6, 2022

One-pass solution

Courses

print-tree-perimeter__trees__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

1

156

May 30, 2022

Memo + String Scan (no recursion)

Courses

word-break-problem__strings__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus

1

107

May 12, 2022

Very confusing description

Courses

stock-buy-sell-to-maximize-profit__arrays__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

2

125

May 4, 2022

Solution on java is actually O(n^2)

Courses

find-kth-permutation__math-stats__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus

1

140

April 27, 2022

The solution for the problem is given right away instead of the "Try it Yourself" being empty

Courses

coderust-hacking-the-coding-interview__coderust , design-your-own-hashmap__miscellaneous__coderust-hacking-the-coding-interview

1

64

April 26, 2022

Wouldn't the time complexity be a n^4 in the worst case?

Courses

boggle__back-tracking__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

1

57

April 26, 2022

Main.java:537: error: cannot find symbol - even on empty solution

Courses

convert-n-ary-tree-to-binary-tree__trees__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

3

86

April 26, 2022

Would the centroid based solution work?

Courses

closest-meeting-point__miscellaneous__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

0

64

April 25, 2022

This problem doesn't make sense for any language that doesn't allow pointers

Courses

determine-host-byte-order-endianness__miscellaneous__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

1

39

April 25, 2022

Error in Test harness

Courses

find-lowhigh-index-of-a-key-in-a-sorted-array__arrays__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

1

53

April 25, 2022

I think the recursive solution can be more concise

Courses

find-k-sum-subsets__back-tracking__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

1

70

April 25, 2022

Would this be also an acceptable solution?

Courses

generate-all-combinations-of-balanced-parentheses__back-tracking__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

1

61

April 24, 2022

Approach 2 is O(n^2)

Courses

remove-duplicates-from-a-string__strings__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

1

51

April 24, 2022

I think there is a different flavor of the same solution with just one pass over the matrix

Courses

coderust-hacking-the-coding-interview__coderust , unique-paths-to-goal__dynamic-programming__coderust-hacking-the-coding-interview

1

62

April 22, 2022

Since this is not a question on the string manipulation but rather on stacks a simpler solution with StringTokenizer should be used

Courses

evaluate-arithmetic-expressions__stacks-and-queues__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

1

46

April 21, 2022

Main.java:265: error: cannot find symbol output += "\"hidden\": " + (result.hidden ? "true" : "false") + ",";

Courses

clone-a-directed-graph__graphs__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

1

46

April 21, 2022

It would be nice if the problem explanation would mention (at least briefly) other ways the problem could be solved

Courses

mirror-binary-tree-nodes__trees__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

1

44

April 16, 2022

Why doesn't this problem include a recursion based solution?

Courses

level-order-traversal-of-binary-tree__trees__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust

1

67

April 15, 2022