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

311

Easy

30 mins

6162

Pascal's Triangle

133

Easy

20 mins

7504

Next Permutation

117

Moderate

15 mins

5558

Maximum Subarray Sum

383

Hard

35 mins

29229

Sort 0 1 2

425

Easy

22 mins

24473

Best Time to Buy and Sell Stock

81

Moderate

20 mins

13016

Rotate Matrix

48

Moderate

15 mins

1602

Merge Intervals

70

Moderate

20 mins

3842

Merge Two Sorted Arrays

80

Moderate

15 mins

5906

Find Duplicate in Array

457

Easy

15 mins

15471

Missing and repeating numbers

97

Moderate

25 mins

7756

Count Inversions

146

Moderate

40 mins

52249

Search In A 2D Matrix

26

Easy

10 mins

3655

Modular Exponentiation

41

Easy

15 mins

6193

Majority element

69

Easy

15 mins

6350

Majority Element - II

39

Easy

10 mins

4639

Unique Paths

46

Moderate

25 mins

13718

Reverse Pairs

31

Hard

50 mins

1925

Pair Sum

1319

Easy

15 mins

24442

Find Four Elements That Sums To A Given Value

38

Moderate

10 mins

3656

Longest Consecutive Sequence

66

Moderate

40 mins

6543

Longest Subarray Zero Sum

38

Easy

15 mins

3756

Count Subarrays with Given XOR

28

Moderate

15 mins

3752

Longest Substring Without Repeating Characters

22

Moderate

30 mins

2694

Reverse Linked List

120

Moderate

15 mins

8243

Set Matrix Zeros NEW

Easy

311 upvotes

Pascal's Triangle NEW

Easy

133 upvotes

Next Permutation NEW

Moderate

117 upvotes

Maximum Subarray Sum NEW

Hard

383 upvotes

Sort 0 1 2 NEW

Easy

425 upvotes

Best Time to Buy and Sell Stock NEW

Moderate

81 upvotes

Rotate Matrix NEW

Moderate

48 upvotes

Merge Intervals NEW

Moderate

70 upvotes

Merge Two Sorted Arrays NEW

Moderate

80 upvotes

Find Duplicate in Array NEW

Easy

457 upvotes

Missing and repeating numbers NEW

Moderate

97 upvotes

Count Inversions NEW

Moderate

146 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

1319 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

120 upvotes

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