CPP-DSA

95 posts

Last Updated: 10 November 2026

You are planning to buy n different grocery items from the market, and you have a budget constraint for each item. Specifically, you are given an array budget[] of size n,...read more

DSA

Binary Search

CPP-DSA

First Digit of Number

Last Updated: 10 November 2026

Given a number n, find the first digit of the number.Examples:Input: n = 123Output: 1Input: n = 976Output: 9Table of Content[Naive Approach] Repeatedly Divide by 10 - O(lo...read more

DSA

CPP

CPP-DSA

Input a Line Question

Last Updated: 04 November 2026

In programming, reading a line of input means accepting a string from the user. The input may contain multiple words separated by spaces.For example, if the input is "Geek...read more

DSA

CPP-DSA

Learning to be Precise

Last Updated: 30 October 2026

There are times when a floating-point number contains an undesired number of digits after the decimal point.Here, we'll learn how to get a precise answer from a floating-p...read more

DSA

CPP-DSA

Print With Separator

Last Updated: 31 October 2026

In programming, printing strings with a separator means displaying two strings on the same line with a specified symbol between them. This can be done using an output stat...read more

DSA

CPP-DSA

Print with New Line

Last Updated: 27 October 2026

There is a string "Geeks for Geeks", print each word on a separate line.Note: No input required for this problem.Example:Input: Not RequiredOutput:GeeksforGeeksExplanatio...read more

DSA

CPP

CPP-DSA

If Statement Practice

Last Updated: 20 October 2026

Given a number n, use the if statement to print "Big" (without quotes) if the given number is greater than 100. The statement "Number" (without quotes) will be printed reg...read more

Last Updated: 15 October 2026

Given a double value d, typecast it to an integer value and print it.Examples:Input: d = 10.23Output: 10Explanation: The integer value of 10.23 is 10Input: d = 19.1Output:...read more

C++ Program to Implement Suffix Array

Last Updated: 23 July 2025

A suffix array is a data structure which can be used to store all possible suffixes of a given string in the sorted order. It stores the starting indices of the suffixes i...read more

C++

Picked

CPP-DSA

Knuth-Morris-Pratt in C++

Last Updated: 23 July 2025

The Knuth-Morris-Pratt (KMP) is an efficient string-matching algorithm developed by Donald Knuth, Vaughan Pratt, and James H. Morris in 1977. It is used for finding a spec...read more

C++

Picked

CPP-DSA

Rod Cutting Problem in C++

Last Updated: 23 July 2025

The Rod Cutting Problem is a classic dynamic programming problem where a rod of length N and a list of prices for smaller pieces of rod is given, and the task is to determ...read more

C++

Picked

CPP-DSA

Counting Set Bits in C++

Last Updated: 23 July 2025

Counting set bits means determining how many bits in a binary representation of a number are set to 1.ExampleInput: n = 103 (01100111)Output: 5Explanation: The bina...read more

C++

Picked

CPP-DSA

Shortest Path Algorithm in C++

Last Updated: 23 July 2025

The shortest path algorithms are used to find the most efficient route fromsource nodetodestination nodeof a graph in optimal time and space complexities. In this article,...read more

C++

Picked

CPP-DSA

Prim's Algorithm in C++

Last Updated: 23 July 2025

Prim's Algorithm is a greedy algorithm that is used to find the Minimum Spanning Tree (MST) for a weighted, undirected graph. MST is a subset of the graph's edges that con...read more

C++

Picked

CPP-DSA

Uber's Online Test Experience

Last Updated: 23 July 2025

Online test problems excite some people and make others very nervous. A fascinating challenge popped up in the Uber online test: Participants had to find the shortest path...read more

Interview Experiences

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