## Check whether frequency of characters in a string makes Fibonacci Sequence

Given a string with lowercase English alphabets. The task is to check whether the frequency of the characters in the string can be arranged as… Read More »

- Remove duplicates from a given string
- First non-repeating character using one traversal of string | Set 2
- Frequency of a substring in a string
- Count number of triplets with product equal to given number with duplicates allowed | Set-2
- Sum of all odd frequency elements in an array
- For each element in 1st array count elements less than or equal to it in 2nd array | Set 2
- Find one extra character in a string
- Program to sort string in descending order
- Check if two strings have a common substring
- Check if two strings are permutation of each other
- Count Occurences of Anagrams
- Find array elements with frequencies in range [l , r]
- Longest Subsequence with at least one common digit in every element
- Longest subarray not having more than K distinct elements
- Construct a frequency array of digits of the values obtained from x^1, x^2, ........, x^n
- Alternate Lower Upper String Sort
- Count occurrences of elements of list in Java
- Count frequencies of all elements in array in Python using collections module
- Count of 'GFG' Subsequences in the given string
- Find frequency of each word in a string in Python
- Maximum number of characters between any two same character in a string
- Generate a number such that the frequency of each digit is digit times the frequency in given number
- Least frequent element in an array
- Find maximum number of elements such that their absolute difference is less than or equal to 1
- Count number of equal pairs in a string
- Count numbers in range such that digits in it and it's product with q are unequal
- Lexicographically largest string formed from the characters in range L and R
- Counting the frequencies in a list using dictionary in Python
- Sum of all elements repeating 'k' times in an array
- Median and Mode using Counting Sort

Given a string with lowercase English alphabets. The task is to check whether the frequency of the characters in the string can be arranged as… Read More »

Given a range of numbers [l, r] and an integer . The task is to count all such number in the given range such that… Read More »

Given a string ‘str’ containing lowercase English alphabets, the task is to find whether the frequencies of the characters of the string are in Lucas… Read More »

Given a string. The task is to find the count of characters whose number of occurrences is prime. Examples: Input : str = “geeksforgeeks” Output… Read More »

Given an array of integers, remove the elements from the array whose frequency lies in the range [l, r]. Examples: Input : arr[] = {… Read More »

Given an array of integers, find the elements from the array whose frequency lies in the range [l, r]. Examples: Input : arr[] = {… Read More »

Given an array of N integers, rearrange the array elements such that the next array element is greater than the previous element ( > ).… Read More »

Given an array of integers, replace every element by its frequency in the array. Examples: Input : arr[] = { 1, 2, 5, 2, 2,… Read More »

Given an array of integers, remove all the occurrences of those elements which appear strictly more than k times in the array. Examples: Input :… Read More »

Given an array of integers, find the smallest number after deleting given elements. In case of repeating elements, we delete one instance (from the original… Read More »

Given a string of lowercase letters, reduce it by removing the characters which appears more than k times in the string. Examples: Input : str… Read More »

Given a string of lowercase letters and a number K. The task is to reduce it by removing the characters which appears strictly less than… Read More »

Given a string S and a range L and R, the task is to print the lexicographically largest string that can be formed from the… Read More »

Given a string S consisting only of lowercase letters check if the string has all characters appearing even times. Examples: Input : abaccaba Output :… Read More »

Given a linked list containing duplicate elements. The task is to find the count of all minimum occurring elements in the given linked list. That… Read More »