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DSA Corner

Dashboard Questions Topics Companies Sheets

Cisco Interview Questions

49 coding problems asked in Cisco interviews. Prepare for your technical interview with real questions.

49

Problems

15

Easy

28

Medium

6

Hard

Difficulty

All49 Easy15 Medium28 Hard6

Status	Title	Video	Leetcode	Solve	Difficulty	Companies	Topics
	15. 3Sum			Solve	Medium	Adobe+21	Array Sorting+1
	17. Letter Combinations of a Phone Number			Solve	Medium	Airtel+34	Backtracking Hash Table+1
	33. Search in Rotated Sorted Array			Solve	Medium	Accenture+91	Array Binary Search
	48. Rotate Image			Solve	Medium	Adobe+9	Array Math+1
	49. Group Anagrams			Solve	Medium	Adobe+23	Array Hash Table+2
	53. Maximum Subarray			Solve	Medium	Adobe+22	Array Divide and Conquer+1
	54. Spiral Matrix			Solve	Medium	Accenture+21	Array Matrix+1
	56. Merge Intervals			Solve	Medium	Adobe+24	Array Sorting
	62. Unique Paths			Solve	Medium	Accoloite+41	Combinatorics Dynamic Programming+1
	63. Unique Paths II			Solve	Medium	Amazon+19	Array Dynamic Programming+1
	74. Search a 2D Matrix			Solve	Medium	Accenture+23	Array Binary Search+1
	91. Decode Ways			Solve	Medium	Amazon+8	Dynamic Programming String
	92. Reverse Linked List II			Solve	Medium	1218 Global+122	Linked List
	97. Interleaving String			Solve	Medium	Amazon+23	Dynamic Programming String
	198. House Robber			Solve	Medium	Adobe+8	Array Dynamic Programming
	215. Kth Largest Element in an Array			Solve	Medium	ABCO+44	Array Divide and Conquer+3
	287. Find the Duplicate Number			Solve	Medium	Adobe+30	Array Binary Search+2
	347. Top K Frequent Elements			Solve	Medium	Adobe+9	Array Bucket Sort+6
	394. Decode String			Solve	Medium	Adobe+16	Recursion Stack+1
	445. Add Two Numbers II			Solve	Medium	Accenture+49	Linked List Math+1
	468. Validate IP Address			Solve	Medium	Amazon+2	String
	486. Predict the Winner			Solve	Medium	Amazon+4	Array Dynamic Programming+3
	518. Coin Change II			Solve	Medium	Accenture+68	Array Dynamic Programming
	526. Beautiful Arrangement			Solve	Medium	Cisco	Array Backtracking+3
	787. Cheapest Flights Within K Stops			Solve	Medium	Airbnb+15	Breadth-First Search Depth-First Search+4
	809. Expressive Words			Solve	Medium	Cisco+2	Array String+1
	1010. Pairs of Songs With Total Durations Divisible by 60			Solve	Medium	Amazon+7	Array Counting+1
	2067. Number of Equal Count Substrings			Solve	Medium	Cisco	Counting Prefix Sum+1

3Sum

Medium✓ Solution📹 Video

Adobe+21

Array Sorting Two Pointers

Letter Combinations of a Phone Number

Medium✓ Solution📹 Video

Airtel+34

Backtracking Hash Table String

Search in Rotated Sorted Array

Medium✓ Solution📹 Video

Accenture+91

Array Binary Search

Rotate Image

Medium✓ Solution📹 Video

Adobe+9

Array Math Matrix

Group Anagrams

Medium✓ Solution📹 Video

Adobe+23

Array Hash Table Sorting+1

Maximum Subarray

Medium✓ Solution📹 Video

Adobe+22

Array Divide and Conquer Dynamic Programming

Spiral Matrix

Medium✓ Solution📹 Video

Accenture+21

Array Matrix Simulation

Merge Intervals

Medium✓ Solution📹 Video

Adobe+24

Unique Paths

Medium✓ Solution📹 Video

Accoloite+41

Combinatorics Dynamic Programming Math

Unique Paths II

Medium✓ Solution📹 Video

Amazon+19

Array Dynamic Programming Matrix

Search a 2D Matrix

Medium✓ Solution📹 Video

Accenture+23

Array Binary Search Matrix

Decode Ways

Medium✓ Solution📹 Video

Amazon+8

Dynamic Programming String

Reverse Linked List II

Medium✓ Solution📹 Video

1218 Global+122

Interleaving String

Medium✓ Solution📹 Video

Amazon+23

Dynamic Programming String

House Robber

Medium✓ Solution📹 Video

Adobe+8

Array Dynamic Programming

Kth Largest Element in an Array

Medium✓ Solution📹 Video

ABCO+44

Array Divide and Conquer Heap (Priority Queue)+2

Find the Duplicate Number

Medium✓ Solution📹 Video

Adobe+30

Array Binary Search Bit Manipulation+1

Top K Frequent Elements

Medium✓ Solution📹 Video

Adobe+9

Array Bucket Sort Counting+5

Decode String

Medium✓ Solution📹 Video

Adobe+16

Recursion Stack String

Add Two Numbers II

Medium✓ Solution📹 Video

Accenture+49

Linked List Math Stack

Validate IP Address

Medium✓ Solution📹 Video

Amazon+2

Predict the Winner

Medium✓ Solution📹 Video

Amazon+4

Array Dynamic Programming Game Theory+2

Coin Change II

Medium✓ Solution📹 Video

Accenture+68

Array Dynamic Programming

Beautiful Arrangement

Medium✓ Solution📹 Video

Cisco

Array Backtracking Bit Manipulation+2

Cheapest Flights Within K Stops

Medium✓ Solution📹 Video

Airbnb+15

Breadth-First Search Depth-First Search Dynamic Programming+3

Expressive Words

Medium📹 Video

Cisco+2

Array String Two Pointers

Pairs of Songs With Total Durations Divisible by 60

Medium✓ Solution📹 Video

Amazon+7

Array Counting Hash Table

Number of Equal Count Substrings

Medium📹 Video

Cisco

Counting Prefix Sum String