Interview Question Categories

Array related Questions

1.   Longest Consecutive sequence of Numbers
2.   Stacks using Queues
3.   FIND NEXT HIGHER NUMBER WITH SAME DIGITS
4.   LONGEST PALINDROME IN A STRING
5.   FIND FIRST REPEATED STRING WITH 3 CHARS
6.   FIND REPEATED AND MISSING NUMBERS IN AN ARRAY
7.   FIND GIVEN PATTERN AND REPLACE IT WITH GIVEN STRING
8.   FIND AND ELIMINATE DUPLICATES IN AN ARRAY
9.   FIND 4 NUMS IN ARRAY WHOSE SUM EQUALS GIVEN NUM
10. FIND 3 INTS WHOSE PRODUCT IS THE LARGEST IN THE LIST
11. FIND 2 ODD OCCURING INTS IN AN ARRAY
12. FIND 0s AND 1s INTERFACE
13. DETECT DUPLICATE PARENTHESES IN AN EXPRESSION
14. SUM OF PREVIOUS SMALLER NUMBERS IN ARRAY
15. COUNT MAX NUMBER OF CONNECTED 1s IN A MATRIX
16. COUNT 1s in BINARY FORMAT OF A NUMBER
17. Mth to last element
18. CHARACTER COUNTING
19. ROTATE AN ARRAY BY N PLACES IN O(n)
20. STOCK QUOTE PROBLEM
21. PRINT SUB MATRIX WITH EQUAL NUMBER OF 0s AND 1s
22. SUM OF FIBONACCI SEQUENCE
23. B[i] = C[j] - A[k]
24. TRAVERSE THE ARRAY IN SHORTEST NUMBER OF HOPS
22. BITWISE STORAGE
23. CONVERT A NUMBER FROM BASE2 TO BASE4
24. arr[i] = arr[arr[i]] in place
25. GREATEST CONTIGUOUS SUM
26. THREE STRINGS INTERLEAVED PROBLEM
27. MAX APPLES THAT CAN BE COLLECTED IN 2D MATRIX
28. Add 2 Binary Numbers Represented As Strings
29. [a1,a2,a3,b1,b2,b3] to [a1,b1,a2,b2,a3,b3] in Place

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