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Level 2

Arrays

Important tutorials

1. Introduction To Pointers In C/C++
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2. Arrays In Programming Fundamentals
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3. Pointers And Arrays
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4. Pointers And 2 D Arrays
View Tutorial
5. Array Implementation Details
View Tutorial
6. Sorting Algorithms
View Tutorial
7. Insertion Sort Algorithm
View Tutorial
8. Merge Sort Algorithm
View Tutorial
9. Quick Sort Algorithm
View Tutorial
10. Sort Implementation Details
View Tutorial
11. Selection Sort
View Tutorial
12. Bubble Sort
View Tutorial

Arrays Problems

Simulation array
Bucketing
Sorting
Problem Score Companies Time Status
Noble Integer 200
43:30
Wave Array 225 22:08
Hotel Bookings Possible 225 66:06
Maximum Unsorted Subarray 250 68:22
Max Distance 250 68:14
Arrangement
Problem Score Companies Time Status
Largest Number 225 70:26
Rotate Matrix 300 60:26
Next Permutation 300 63:10
Find Permutation 300 55:26
Value ranges
Problem Score Companies Time Status
Merge Intervals 225
78:57
Merge Overlapping Intervals 225 48:24
Space recycle
Missing / repeated number
Problem Score Companies Time Status
First Missing Integer 300 64:38
Repeat and Missing Number Array 350 63:55
N/3 Repeat Number 600
68:05

Additional Practice

Problem Score Companies Time Status
Leaders in an array 200 17:53
Pick from both sides! 100 41:57
Sort array with squares! 200 24:19
Balance Array 200 46:19
Max Min 150
15:23