strings

100+ posts

C++ Program to check if a given String is Palindrome or not

Last Updated: 12 September 2023

Given a string S consisting of N characters of the English alphabet, the task is to check if the given string is a palindrome. If the given ...read more

Strings

palindrome

Reverse

School Programming

C++ Programs

strings

DSA

Check if a string consists only of special characters

Last Updated: 12 April 2023

Given string str of length N, the task is to check if the given string contains only special characters or not. If the string contains only ...read more

Print the middle character of a string

Last Updated: 10 November 2021

Given string str, the task is to print the middle character of a string. If the length of the string is even, then there would be two middle ...read more

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Remove first and last character of a string in Java

Last Updated: 18 April 2024

Given string str, the task is to write Java Program to remove the first and the last character of the string and print the modified string.E ...read more

How to get Day, Month and Year from Date in Java

Last Updated: 01 February 2023

Given a date in the form of a string, the task is to write a Java Program to get the day, month, and year from the given date.Examples:Input ...read more

Convert a String to Integer Array in C/C++

Last Updated: 14 June 2023

Given a string str containing numbers separated with ", ". The task is to convert it into an integer array and find the sum of that array. E ...read more

Longest prefix which is also suffix

Last Updated: 29 March 2024

Given a string s, find the length of the longest prefix, which is also a suffix. The prefix and suffix should not overlap.Examples:Input : S ...read more

Program to print all substrings of a given string

Last Updated: 08 December 2023

Given a string as an input. We need to write a program that will print all non-empty substrings of that given string.Examples :Input : abcd ...read more

Strings

strings

DSA

Basic Coding Problems

Count Distinct Subsequences

Last Updated: 29 December 2023

Given a string, find the count of distinct subsequences of it.Examples:Input: str = "gfg"Output: 7Explanation: The seven distinct subsequenc ...read more

Longest Common Prefix using Binary Search

Last Updated: 12 June 2023

Given a set of strings, the tasks is to find the longest common prefix using Binary Search.Input: str = {“geeksforgeeks”, “geeks”, �...read more

Longest Common Prefix

strings

DSA

Write your own atoi()

Last Updated: 04 June 2023

The atoi() function in C takes a string (which represents an integer) as an argument and returns its value of type int. So basically the fun...read more

Longest Palindromic Substring

Last Updated: 11 October 2023

Given a string str, the task is to find the longest substring which is a palindrome.Examples:Input: str = "forgeeksskeegfor"Output: "geekssk...read more

Longest Palindromic Subsequence (LPS)

Last Updated: 16 April 2024

Given a string 'S', find the length of the Longest Palindromic Subsequence in it.The Longest Palindromic Subsequence (LPS) is the problem of...read more

Longest Common Subsequence (LCS)

Last Updated: 14 March 2024

Given two strings, S1 and S2, the task is to find the length of the Longest Common Subsequence, i.e. longest subsequence present in both of ...read more

Permutations of given String

Last Updated: 18 October 2023

Given a string S, the task is to write a program to print all permutations of a given string.A permutation also called an "arrangement numbe...read more

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