Empowering coders, one solution at a time
Empowering coders, one solution at a time
Given two strings needle and haystack, return the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. Example 1: Input: haystack = “sadbutsad”, needle = “sad” Output: 0 Explanation: “sad” occurs at index 0 and 6. The first occurrence is at index…
![[Solved] Jay has a chocolate box that contains different types of chocolate](https://realcoder.techss24.com/wp-content/uploads/2022/12/Solved-Jay-has-a-chocolate-box-that-contains-different-types-of-chocolate-768x502.png "[Solved] Jay has a chocolate box that contains different types of chocolate")
Jay has a chocolate box that contains different types of chocolate represented by a lowercase character. Chocolates are arranged in a row. Jay wants to divide the row into pieces such that both the pieces have an equal number of…
![[Solved] Given two strings S and T check how many minimum characters in S we should change such that T occurs as a substring in S[Solved] Given two strings S and T check how many minimum characters in S we should change such that T occurs as a substring in S](https://realcoder.techss24.com/wp-content/uploads/2022/12/Solved-Given-two-strings-S-and-T-check-how-many-minimum-characters-in-S-we-should-change-such-that-T-occurs-as-a-substring-in-S-768x503.png "[Solved] Given two strings S and T check how many minimum characters in S we should change such that T occurs as a substring in S")
Given two strings S and T check how many minimum characters in S we should change such that T occurs as a substring in S. Input Format The first line contains a string S. The next line contains a string…
![[Solved] Detecting Palindromes String with Java](https://realcoder.techss24.com/wp-content/uploads/2022/07/Solved-Detecting-Palindromes-String-with-Java.png "[Solved] Detecting Palindromes String with Java")
Detecting Palindromes: A palindrome is a word, phrase, or sentence that reads the same backwards and forwards. For example, the word “radar” is a palindrome. For this problem, you must write a program that reads a string of characters and prints whether…
![[Solved] YODA String with Java](https://realcoder.techss24.com/wp-content/uploads/2022/07/Solved-YODA-String-with-Java.png "[Solved] YODA String with Java")
Description: As a young jedi you must learn to converse with Yoda. You have found a simple rule that helps change a “normal” sentence into “Yoda talk”. Take the first two words in the sentence and place them at the…
![[Solved] RILED String with Java](https://realcoder.techss24.com/wp-content/uploads/2022/07/Solved-RILED-String-with-Java.png "[Solved] RILED String with Java")
RILED: Oh my God!!! Someone is trying to break into Anna University’s Database and steal sensitive research information. It is now up to us to stop this attack. Fortunately our defense mechanisms have traced the attacks to their source. The…
![[Solved] Letter Frequency with Java](https://realcoder.techss24.com/wp-content/uploads/2022/07/Solved-Letter-Frequency-with-Java.png "[Solved] Letter Frequency with Java")
Letter Frequency: Write a program to compute the frequency of each lowercase letter in the string. Input and Output Format: Input consists of a string. Assume that all characters in the string are lowercase letters and the maximum length of…