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C++ Articles
Page 280 of 597
Program for octal to decimal conversion in C++
Given with an octal number as an input, the task is to convert the given octal number into a decimal number.Decimal numbers in computer is represented with base 10 and octal number is represented with base 8 starting from the digit 0 till 7 whereas decimal numbers can be any numeric digit starting from 0 – 9.To convert an octal number into a decimal number follow these steps −We will extract digits starting from right to left through a remainder and then multiply it with the power starting from 0 and will be increased by 1 till the (number of ...
Read MoreC++ Program to calculate Bitonicity of an Array
Given with an array of integers and the task is to calculate the bitonicity of a given array using a function.Bitonicity of an array is −Initialised to 0Incremented to 1 when the next element is greater than the previous valueDecremented to 1 when the next element is lesser than the previous valueExampleInput-: arr[] = { 1, 4, 3, 5, 2, 9, 10, 11} Output-: Bitonicity of an array is : 3Explanation −Initialize bitonicity calculating variable let’s say temp with 0.Start from the first element of an array which is 1. Now compare arr[i] and arr[i-1] i.e. compare 4 and 1 ...
Read MoreC++ program for hexadecimal to decimal
Given with a hexadecimal number as an input, the task is to convert the given hexadecimal number into a decimal number.Hexadecimal number in computers is represented with base 16 and decimal number is represented with base 10 and represented with values 0 - 9 whereas hexadecimal number have digits starting from 0 – 15 in which 10 is represented as A, 11 as B, 12 as C, 13 as D, 14 as E and 15 as F.To convert a hexadecimal number into a decimal number follow these steps −We will extract digits starting from right to left through a remainder ...
Read MoreC++ program for length of a string using recursion
Given with the string and the task is to calculate the length of the given string using a user defined function or in-built function.Length of a string can be calculated using two different ways −Using user defined function − In this, traverse the entire string until ‘\o’ is found and keep incrementing the value by 1 through recursive call to a function.Using user in-build function − There is an in-build function strlen() defined within “string.h” header file which is used for calculating the length of a string. This function takes single argument of type string and return integer value as ...
Read MoreC++ program for length of the longest word in a sentence
Given with the sentence of multiple strings and the task is to find the length of the longest string in the sentence.ExampleInput-: hello I am here Output-: maximum length of a word is: 5 Input-: tutorials point is the best learning platform Output-: maximum length of a word is: 9Approach used in the below program is as follows −Input the string in an array of stringsTraverse the loop till the end of a sentence is not foundTraverse one particular string of a sentence and calculate its length. Store the length in a variablePass the integer values of length of strings ...
Read MoreC++ program for multiplication of array elements
Given with an array of integer elements and the task is to multiply the elements of an array and display it.ExampleInput-: arr[]={1, 2, 3, 4, 5, 6, 7} Output-: 1 x 2 x 3 x 4 x 5 x 6 x 7 = 5040 Input-: arr[]={3, 4, 6, 2, 7, 8, 4} Output-: 3 x 4 x 6 x 2 x 7 x 8 x 4 = 32256Approach used in the below program is as follows −Initialize temporary variable to store the final result with 1Start loop from 0 to n where n is the size of an arrayKeep multiplying ...
Read MoreC++ program to check for ISBN
Given with the sequence and the task is to identify whether the given sequence is sa ISBN number or not.What is an ISBN numberISBN stands for International Standard Book Number is a 10 digit number till December 2006 and now it is revised to 13 digit number from 1 January 2007. Given below is the implementation of 10 digits ISBN.ISBN digit has a pattern in it as −Starting 9 digits of a number represents Title, Publisher and Group of the book. The value of first 9 digit can range from 0 - 9Last 1 digit checks whether the ISBN is ...
Read MoreC++ program to calculate GST from original and net prices
Given with the original cost and net price as an input and the task is to calculate the GST percentage and display the resultGST stands for Goods and Service task. It is always included in the Net price of the product and before calculating the GST percentage we need to calculate GST amount and for that there are formulas availableNetprice = originalcost + GSTAmountGSTAmount = Netprice – original_costGST_Percentage = (GSTAmount * 100)/ originalcostGST % formula = (GSTAmount*100) / originalcostExampleInput-: cost = 120.00 price = 150.00 Output-: GST amount is = 25.00 % Input-: price = 120.00 cost = ...
Read MoreC++ program to calculate Profit Or Loss
Given with the cost price(CP) and the selling price(SP) and the task is to calculate the profit gained or loss incurred.Cost price or CP is the price at which the product is purchased by the seller and the selling price or SP is the price at which the product is sold by the seller.There is a formula to calculate profit gained or loss incurredProfit = Selling price – Cost priceIf Selling price is greater than cost price than there will be a profitLoss = Cost price – Selling priceIf cost price is greater than selling price than there will be ...
Read MoreC++ program to Calculate the Edge Cover of a Graph
Given a n number of vertices of a graph, the task is to calculate the edge cover of the graph. Edge cover is to find the minimum number of edges required to cover every vertex of the graph.Like we have n = 5Then its graph will be like −So its edge cover is 3Let’s take another example where the n is 8And its edge cover will be:4ExampleInput: n= 5 Output: 3 Input: n= 8 Output: 4Approach used below is as follows −Take the input from the userFind the ceiling value of the result of number of vertices by dividing it ...
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