Print characters in decreasing order of frequency
Given a string str, the task is to print the characters in decreasing order of their frequency. If the frequency of two characters is same… Read More »
Category Archives: Strings
Minimum number of additons to make the string balanced
Given a string str of lowercase characters, the task is to find the minimum number of characters that need to added to the string in… Read More »
Extract all integers from the given string in Java
Given a string str consisting of digits, alphabets and special characters. The task is to extract all the integers from the given string. Examples: Input:… Read More »
Minimum number of substrings the given string can be splitted into that satisfy the given conditions
Given a string str and a string array arr[], the task is to find the minimum count of substrings this can be splitted into such… Read More »
Minimum length String with Sum of the alphabetical values of the characters equal to N
Given an integer N, the task is to find the minimum length string whose sum of each character (As a = 1, b = 2,… Read More »
C program to print the length of a String using %n format specifier
Given string str. The task is to find the length of the string using %n format specifier Examples: Input: Geeks For Geeks Output: 15 Input:… Read More »
Check whether two strings can be made equal by copying their characters with the adjacent ones
Given two strings str1 and str2, the task is to check whether both of the string can be made equal by copying any character of… Read More »
Modulo of a large Binary String
Given a large binary string str and an integer K, the task is to find the value of str % K. Examples: Input: str =… Read More »
Check duplicates in a stream of strings
Given an array arr[] of strings containing the names of employees in a company. Assuming that the names are being entered in a system one… Read More »
Minimum cost to convert str1 to str2 with the given operations
Given two strings of equal lengths str1 and str2 consisting of characters ‘a’ and ‘b’ only. The followig operations can be performed on str1: Any… Read More »
Count number of binary strings such that there is no substring of length greater than or equal to 3 with all 1’s
Given an integer N, the task is to count the number of binary strings possible of length N such that they don’t contain “111” as… Read More »
Minimum characters that are to be inserted such that no three consecutive characters are same
Given a string str and the task is to modify the string such that no three consecutive characters are same. In a single operation, any… Read More »
Sort groups of numbers and characters separately in a String
Given a string str of alphanumeric characters, the task is to sort the similar group of consecutive characters separately and print the modified string i.e.… Read More »
Count all substrings having character K
Given a string str and a character K, the task is to find the count of all the substrings of str that contain the character… Read More »
Find the maximum possible Binary Number from given string
Given a string str consisting of the characters from the set {‘o’, ‘n’, ‘e’, ‘z’, ‘r’}, the task is to to find the largest possible… Read More »
