git-osp-for-beginners

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Letter Combinations of a Phone Number [C-Solution required]

6

Given a string containing digits from `2-9` inclusive, return all possible letter combinations that the number could represent. Return the answer in **any order**. A mapping of digit to letters...

aditya109

khand420

closes issue #549 Signed-off-by: nitishanand99

nitishanand99

Two sum #459

1

Signed-off-by: Amit Gaikwad

ameeetgaikwad

added cpp code of Palindrome Number

2

works for all data types.

jivanshu-popli

Two Sum [Java-Solution required]

13

Given a **1-indexed** array of integers `numbers` that is already ***sorted in non-decreasing order\***, find two numbers such that they add up to a specific `target` number. Let these two...

aditya109

Container With Most Water [C solution required]

9

Given n non-negative integers a1, a2, ..., an , where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endpoints of the...

aditya109

Rotate Matrix[Java-Solution required]

2

You are given an n x n 2D matrix representing an image, rotate the image by 90 degrees Example 1: Input: matrix = [[1,2,3],[4,5,6],[7,8,9]] Output: [[7,4,1],[8,5,2],[9,6,3]] Example 2: Input: matrix...

auchitya

Two Sum [C#-Solution required]

6

Given a **1-indexed** array of integers `numbers` that is already ***sorted in non-decreasing order\***, find two numbers such that they add up to a specific `target` number. Let these two...

aditya109

Design Hit Counter [Kotlin-Solution required]

2

Question : Design a hit counter which counts the number of hits received in the past ```5``` minutes (i.e., the past ```300``` seconds). Your system should accept a ```timestamp``` parameter...

nitishanand99