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Check if Strings Are Rotations of Each Other Given two strings s1 and s2 of equal length, determine whether s2 is a rotation of s1.A string is said to be a rotation of another if it can be obtained by shifting some l... Read More

Strings DSA rotation

Remove characters from the first string which are present in the second string Given two strings string1 and string2, remove those characters from the first string(string1) which are present in the second string(string2). Both strings are different a... Read More

Strings DSA Amazon Zoho

Delete without head pointer Given a node x of a singly linked list. Delete this node from the list without access to the head pointer.After deletion:The number of nodes in the linked list should decr... Read More

Linked List DSA Linked Lists loop Microsoft Amazon Samsung Goldman Sachs Visa Kritikal Solutions

Node at Given Index in Linked List Given the head of a singly linked list and an integer k, return the data of the node present at the k-th position using 1-based indexing. Return -1 if the k-th node does n... Read More

Linked List DSA GetNth Linked Lists Python-DSA

Print all the duplicate characters in a string Given a string s, the task is to identify all characters that appear more than once and print each as a list containing the character and its count. Examples:Input: s = "g... Read More

Strings DSA String Duplicates

Remove duplicates from a string Given a string s which may contain lowercase and uppercase characters. Remove all the duplicate characters from the string and find the resultant string. Note: The order o... Read More

Strings DSA frequency-counting

Power Function Implementation Given two numbers b(base) and e(exponent), calculate the value of be.Examples: Input: b = 3.00000, e = 5Output: 243.00000Input: b = 0.55000, e = 3Output: 0.16638Input: b =... Read More

Divide and Conquer Mathematical DSA Microsoft Amazon MakeMyTrip Modular Arithmetic maths-power

Java Program for Sum the digits of a given number Given a number, find the sum of its digits.Example :Input : n = 687Output : 21Input : n = 12Output : 31. Iterative:Java // Java program to compute // sum of dig... Read More

C Program for Sum the digits of a given number Given a number, find sum of its digits.Example :Input : n = 687Output : 21Input : n = 12Output : 31. Iterative:C // C program to compute sum of digits in // num... Read More

Sum of Digits of a Number Given a number n, find the sum of its digits.Examples : Input: n = 687Output: 21Explanation: The sum of its digits are: 6 + 8 + 7 = 21Input: n = 12Output: 3Explanation: Th... Read More

DSA number-digits cpp-puzzle

How will you print numbers from 1 to 100 without using a loop?If we take a look at this problem carefully, we can see that the idea of "loop" is to track some counter value, e.g., "i = 0" till "i = 100". So, if we aren't allowed to u... Read More

Find maximum occurring character in a string Given string s, we need is to find the maximum occurring character in the string str.Examples:Input: s="geeksforgeeks"Output: 'e'Explanation: 'e' occurs 4 times in the st... Read More

Strings Hash DSA Morgan Stanley

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