Here is a collection of problems from Strivers-SDE-sheet using which people have cracked their dream jobs. These questions are commonly asked in product-based companies like Amazon, Microsoft, Google, etc

Problem Title

Difficulty

Avg Time to solve

Attempted

Set Matrix Zeros

308

Easy

30 mins

6033

Pascal's Triangle

133

Easy

20 mins

7421

Next Permutation

116

Moderate

15 mins

5495

Maximum Subarray Sum

382

Hard

35 mins

29029

Sort 0 1 2

424

Easy

22 mins

24343

Best Time to Buy and Sell Stock

81

Moderate

20 mins

12930

Rotate Matrix

46

Moderate

15 mins

1584

Merge Intervals

69

Moderate

20 mins

3802

Merge Two Sorted Arrays

80

Moderate

15 mins

5860

Find Duplicate in Array

456

Easy

15 mins

15400

Missing and repeating numbers

96

Moderate

25 mins

7675

Count Inversions

145

Moderate

40 mins

52100

Search In A 2D Matrix

26

Easy

10 mins

3615

Modular Exponentiation

41

Easy

15 mins

6154

Majority element

69

Easy

15 mins

6295

Majority Element - II

39

Easy

10 mins

4615

Unique Paths

46

Moderate

25 mins

13532

Reverse Pairs

31

Hard

50 mins

1908

Pair Sum

1318

Easy

15 mins

24315

Find Four Elements That Sums To A Given Value

38

Moderate

10 mins

3628

Longest Consecutive Sequence

66

Moderate

40 mins

6488

Longest Subarray Zero Sum

38

Easy

15 mins

3715

Count Subarrays with Given XOR

28

Moderate

15 mins

3691

Longest Substring Without Repeating Characters

22

Moderate

30 mins

2654

Reverse Linked List

119

Moderate

15 mins

8147

Set Matrix Zeros NEW

Easy

308 upvotes

Pascal's Triangle NEW

Easy

133 upvotes

Next Permutation NEW

Moderate

116 upvotes

Maximum Subarray Sum NEW

Hard

382 upvotes

Sort 0 1 2 NEW

Easy

424 upvotes

Best Time to Buy and Sell Stock NEW

Moderate

81 upvotes

Rotate Matrix NEW

Moderate

46 upvotes

Merge Intervals NEW

Moderate

69 upvotes

Merge Two Sorted Arrays NEW

Moderate

80 upvotes

Find Duplicate in Array NEW

Easy

456 upvotes

Missing and repeating numbers NEW

Moderate

96 upvotes

Count Inversions NEW

Moderate

145 upvotes

Search In A 2D Matrix NEW

Easy

26 upvotes

Modular Exponentiation NEW

Easy

41 upvotes

Majority element NEW

Easy

69 upvotes

Majority Element - II NEW

Easy

39 upvotes

Unique Paths NEW

Moderate

46 upvotes

Reverse Pairs NEW

Hard

31 upvotes

Pair Sum NEW

Easy

1318 upvotes

Find Four Elements That Sums To A Given Value NEW

Moderate

38 upvotes

Longest Consecutive Sequence NEW

Moderate

66 upvotes

Longest Subarray Zero Sum NEW

Easy

38 upvotes

Count Subarrays with Given XOR NEW

Moderate

28 upvotes

Longest Substring Without Repeating Characters NEW

Moderate

22 upvotes

Reverse Linked List NEW

Moderate

119 upvotes

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