Number of ways to insert two pairs of parentheses into a string of N characters
Given a string str of length N, the task is to find the number of ways to insert only 2 pairs of parentheses into the… Read More »
Category Archives: Strings
Minimum, maximum and average price values for all the items of given type
Given a string array item[] and an integer array price[] where price[i] is the price of the item[i] when purchased from the ith shop. The… Read More »
C program to swap adjacent characters of a String
Given a string str, the task is to swap adjacent characters of this string in C. Examples: Input: str = “geeks” Output: NA Not possible… Read More »
Queries to find the count of characters preceding the given location
Given a string S of length N containing only lower case letters. Also, given Q queries where each query consists of an integer P such… Read More »
Count of matchsticks required to represent the given number
Given a large integer as a string str, the task is find the number of matchsticks required to represent it. Examples: Input: str = “56”… Read More »
Program to implement FLAMES game
FLAMES is a popular game named after the acronym: Friends, Lovers, Affectionate, Marriage, Enemies, Sibling. This game does not accurately predict whether or not an… Read More »
C Program to concatenate two strings without using strcat
Given two strings str1 and str2, the task is to write a C Program to concatenate these two strings without using the strcat() function Examples:… Read More »
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 »
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 »
