## Find third largest element in a given array

Objective: Given an array of integers, write an algorithm to find the third largest element in the array. Example: Int [] a = { 6, 8, 1, 9, 2, 1, 10} Output: Third largest...

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Objective: Given an array of integers, write an algorithm to find the third largest element in the array. Example: Int [] a = { 6, 8, 1, 9, 2, 1, 10} Output: Third largest...

Objective: Given a string, write an algorithm to find all the duplicate characters in the string and print its count. Example: Input String: tutorial horizon Output: Duplicate Characters: r – 2 t – 2...

Objective: Given an array of integers that contains duplicates as well. Write a program to find the sum of all unique elements in the array. This problem is also referred to as find the...

Objective– Given an array of numbers, write a java program to find the largest element in the given array. Example: int [] a = {1, 5, 3, 9, 2, 8, 2} Largest Element: 9...

Objective: Given an array of integers, write an algorithm to find the three smallest elements in the array. Example: Int [] a = { 6, 8, 1, 9, 2, 10}; Output: 1, 2, 6...

Earlier we saw about Stack and its implementation using Linked List. Java has a built in class for Stack. In this article we will discuss about it in detail. First brief about Stack. What...

Infix, Postfix and Prefix notations are most common ways of writing expressions. Infix notation: Example: (A+B) Infix notation is commonly used in arithmetic formula or statements, the operators are written in-between their operands. An...

Objective: Given a Number, find all the set bits in that number. Example: Number: 23 Set bits: 4 (10111) Number: 15 Set bits: 4 (1111) Number: 21 Set bits: 3 (10101) Approach: Check the...

Objective: Given an array of integers, write a program to check if array contains all unique numbers. Example: Integer [] arrA = { 1, 2, 3, 6, 4, 9, 8}; Output: Array has all...

Objective: Given an array of integers which contains duplicates as well. Write a program to find the product of all unique elements in the array. This problem is also referred as find the product...

Objective: Given a number, write a java program to reverse a number Example: Given Number: 1234 Output: 4321 Given Number: 1020 Output: 201 Approach: Using loop Keep divide the number by 10 and add...

Objective: Given a number, write a program to check if given number is perfect sqaure. Example: N = 16 Output: True N = 32 Output: False Approach: Naive Approach: If N = 1 return...

Objective: Given an array of integers, write an algorithm to find the first three largest elements in the array. Example: Int [] a = { 6, 8, 1, 9, 2, 1, 10}; Output: 10,...

What is Selection Sort?? Selection sort is a simple sorting algorithm that builds the sorted array one item at a time. This sorting is efficient for small data sets, not efficient for large data...

Sometimes we need to print the numbers with its sign irrespective of number is positive (+) or negative(-). Example: X = 5, print = +5 Y = -8, print = -8 Say we need...

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