← All interchangesInterchange

C

Cognizant

47 problems · 30 with a MIK video · 9 asked in the last 6 months

D · DSA 20Q · SQL & DBMS 10

Interview readinessSign up to see how ready you are for Cognizant, weighted by how often each problem is asked.Sign up

47 problems, most frequent first

DoneLC #ProblemLevelHow often askedMIK video

3392Count Subarrays of Length Three With a ConditionArraysEasy100▶ Watch

1Two SumArrays · Asked in the last 6 monthsEasy93▶ Watch

9Palindrome Number ↗Asked in the last 6 monthsEasy93Not covered yet

3Longest Substring Without Repeating Characters ↗Asked in the last 6 monthsMedium87Not covered yet

2165Smallest Value of the Rearranged Number ↗Medium80Not covered yet

5Longest Palindromic SubstringDynamic ProgrammingMedium80▶ Watch

3667Sort Array By Absolute Value ↗LeetCode PremiumEasy80Not covered yet

176Second Highest SalarySubqueriesMedium77▶ Watch

509Fibonacci NumberDynamic ProgrammingEasy77▶ Watch

242Valid AnagramStringsEasy73▶ Watch

121Best Time to Buy and Sell Stock ↗Easy69Not covered yet

20Valid ParenthesesStackEasy69▶ Watch

283Move Zeroes ↗Asked in the last 6 monthsEasy69Not covered yet

88Merge Sorted Array ↗Easy69Not covered yet

4Median of Two Sorted ArraysBinary SearchHard64▶ Watch

560Subarray Sum Equals KArraysMedium64▶ Watch

125Valid Palindrome ↗Asked in the last 6 monthsEasy64Not covered yet

169Majority ElementArraysEasy57▶ Watch

7Reverse Integer ↗Medium57Not covered yet

175Combine Two TablesJoinsEasy57▶ Watch

485Max Consecutive Ones ↗Easy57Not covered yet

26Remove Duplicates from Sorted ArrayTwo PointersEasy57▶ Watch

1378Replace Employee ID With The Unique IdentifierJoinsEasy57▶ Watch

1148Article Views ISQL BasicsEasy57▶ Watch

53Maximum Subarray ↗Medium57Not covered yet

41First Missing PositiveArraysHard57▶ Watch

70Climbing StairsDynamic ProgrammingEasy57▶ Watch

1068Product Sales Analysis IJoinsEasy57▶ Watch

13Roman to Integer ↗Easy48Not covered yet

443String CompressionStringsMedium48▶ Watch

177Nth Highest SalarySubqueriesMedium48▶ Watch

414Third Maximum Number ↗Easy48Not covered yet

2785Sort Vowels in a StringStringsMedium48▶ Watch

28Find the Index of the First Occurrence in a StringStrings · Asked in the last 6 monthsEasy48▶ Watch

1732Find the Highest Altitude ↗Easy48Not covered yet

31Next PermutationArraysMedium48▶ Watch

704Binary SearchBinary SearchEasy48▶ Watch

197Rising TemperatureDate & TimeEasy48▶ Watch

181Employees Earning More Than Their ManagersJoinsEasy48▶ Watch

1200Minimum Absolute Difference ↗Easy48Not covered yet

Source: community data (liquidslr/leetcode-company-wise-problems), updated Aug 16, 2026. Company tags are crowd-reported and may be incomplete.