Paytm

FintechIndian All time

Paytm is an Indian digital payments and financial services company offering UPI payments, wallets, merchant payments and lending.

Est. 2010

Problems: 30
Window: All time
Topics: 6

Random

30 problems

TopicsLinks

1.Remove All Adjacent Duplicates In String

Easy7 co.

Easy

Stack & Queues

also at 6 more

2.Generate Binary Strings Without Adjacent Zeros

Medium1 co.

Medium

Recursion & Backtracking

also at 0 more

3.Longest Consecutive Sequence in an Array

Medium37 co.

Medium

Arrays Hashing

also at 36 more

4.Find the Duplicate Number

Medium16 co.

Medium

Arrays Bit Manipulation

also at 15 more

5.Burst Balloons

Hard11 co.

Hard

Dynamic Programming

also at 10 more

6.Find the starting point in LL

Medium12 co.

Medium

Linked List

also at 11 more

7.Longest Nice Subarray

Medium1 co.

Medium

Bit Manipulation

also at 0 more

8.Reverse a LL

Medium30 co.

Medium

Linked List

also at 29 more

9.Search in rotated sorted array-I

Medium34 co.

Medium

Binary Search

also at 33 more

10.Number of Divisible Substrings

Medium2 co.

Medium

Strings

also at 1 more

11.Minimize Maximum of Array

Medium3 co.

Medium

Dynamic Programming

also at 2 more

12.Implement Min Stack

Medium27 co.

Medium

Stack & Queues

also at 26 more

13.String Compression

Medium21 co.

Medium

Strings

also at 20 more

14.Number of Unequal Triplets in Array

Easy1 co.

Easy

Hashing

also at 0 more

15.Longest Palindromic Substring

Medium40 co.

Medium

Strings Dynamic Programming

also at 39 more

16.Car Pooling

Medium5 co.

Medium

Heaps

also at 4 more

17.Lexicographically Smallest String After Deleting Duplicate Characters

Hard1 co.

Hard

Stack & Queues

also at 0 more

18.Valid Paranthesis Checker

Medium50 co.

Medium

Greedy Algorithms

also at 49 more

19.Trapping Rainwater

Medium48 co.

Medium

Stack & Queues

also at 47 more

20.Search in a 2D Matrix

Medium18 co.

Medium

Binary Search

also at 17 more

21.Find Indices With Index and Value Difference II

Medium1 co.

Medium

Arrays

also at 0 more

22.Find Indices With Index and Value Difference I

Easy1 co.

Easy

Arrays

also at 0 more

23.Longest Substring Without Repeating Characters

Medium51 co.

Medium

Strings

also at 50 more

24.Remove Duplicate Letters

Medium8 co.

Medium

Stack & Queues

also at 7 more

25.Smallest Subsequence of Distinct Characters

Medium5 co.

Medium

Stack & Queues

also at 4 more

26.Container With Most Water

Medium33 co.

Medium

Greedy Algorithms

also at 32 more

27.Best time to buy and sell stock

Medium45 co.

Medium

Dynamic Programming

also at 44 more

28.Ugly Number II

Medium3 co.

Medium

Dynamic Programming

also at 2 more

29.Two Sum

Easy58 co.

Easy

Arrays Hashing

also at 57 more

30.Maximum Transactions Without Negative Balance

Medium1 co.

Medium

Heaps

also at 0 more

Showing 1–30 of 30