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Articles by Ayush Gupta
Page 31 of 44
Convert Hexadecimal value String to ASCII value String in C++
In this tutorial, we will be discussing a program to convert hexadecimal value string to ASCII value string.For this we will be provided with a string with some hexadecimal values. Our task is to get that hexadecimal value and convert it into equivalent ASCII values.Example Live Demo#include using namespace std; string convert_ASCII(string hex){ string ascii = ""; for (size_t i = 0; i < hex.length(); i += 2){ //taking two characters from hex string string part = hex.substr(i, 2); //changing it into base 16 char ch ...
Read MoreConvert given time into words in C++
In this tutorial, we will be discussing a program to convert given time into words. For this we will be provided with a specific time in the digital format.Our task is to convert that particular time into wordsExample#include using namespace std; //printing time in words void convert_time(int h, int m){ char nums[][64] = { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen", "twenty", "twenty one", ...
Read MoreConvert given string so that it holds only distinct characters in C++
In this tutorial, we will be discussing a program to convert given string so that it holds only distinct characters.For this we will be provided with a string. Our task is to traverse through the string and replace all the recurring characters with any random characters that are not already present into the string.Example Live Demo#include using namespace std; //collecting the distinct characters //in the string int calculate_zero(int i, int occurrences[]){ while (i < 26) { //if it is present only once if (occurrences[i] == 0) return i; ...
Read MoreConvert given array to Arithmetic Progression by adding an element in C++
In this tutorial, we will be discussing a program to convert given array to arithmetic progression by adding an element.For this we will be provided with an array. Our task is to convert the given array into an arithmetic progression by adding a single element to it and return the added element. If it is not possible, return -1.Example Live Demo#include using namespace std; //returning the number to be added int print_number(int arr[], int n){ sort(arr, arr+n); int d = arr[1] - arr[0]; int numToAdd = -1; bool numAdded = false; for (int i = 2; ...
Read MoreConvert from any base to decimal and vice versa in C++
In this tutorial, we will be discussing a program to convert from any base to a decimal and vice versa.For this we will be provided with an integer and its base. Our task is to convert the number to its decimal equivalent. Further we will also be performing the reverse of this procedure as well.Example Live Demo#include #include //returning values of a character int val(char c) { if (c >= '0' && c = 0; i--) { if (val(str[i]) >= base) { printf("Invalid Number"); return -1; ...
Read MoreConvert BST to Min Heap in C++
In this tutorial, we will be discussing a program to convert a binary search tree to a min heap.For this we will be provided with a binary search tree. Our task is to convert the given binary search tree into a min heap such that following the condition of the binary search tree when elements are compared with themselves.Example Live Demo#include using namespace std; //node structure of BST struct Node { int data; Node *left, *right; }; //node creation struct Node* getNode(int data) { struct Node *newNode = new Node; newNode->data = data; newNode->left = ...
Read MoreConvert BST to Max Heap in C++
In this tutorial, we will be discussing a program to convert a binary search tree to a max heap.For this we will be provided with a binary search tree. Our task is to convert the given binary search tree into a max heap such that following the condition of the binary search tree when elements are compared with themselves.Example Live Demo#include using namespace std; //node structure of BST struct Node { int data; Node *left, *right; }; //node creation struct Node* getNode(int data) { struct Node* newNode = new Node; newNode->data = data; newNode->left = ...
Read MoreConvert array into Zig-Zag fashion in C++
In this tutorial, we will be discussing a program to convert an array into zig-zag fashion.For this we will be provided with an array containing distinct elements. Our task is to rearrange the elements of the given array in a zig zag fashion with greater and smaller elements alternatively as compared to the previous element.Example Live Demo#include using namespace std; //converting into zig-zag fashion void convert_zigzag(int arr[], int n) { //flag denotes the greater or smaller relation bool flag = true; for (int i=0; i arr[i+1]) swap(arr[i], arr[i+1]); } else ...
Read MoreConvert an array to reduced form (Using vector of pairs) in C++
In this tutorial, we will be discussing a program to convert an array to its reduced form using vector of pairs.For this we will be provided with an array. Our task is to convert the given array in its reduced form such that it only contains elements ranging from 0 to n-1.Example Live Demo#include using namespace std; //converting array to its reduced form void convert(int arr[], int n){ //creating a vector of pairs vector v; //putting elements in vector //with their indexes for (int i = 0; i < n; i++) ...
Read MoreConvert an array to reduced form (Hashing) in C++
In this tutorial, we will be discussing a program to convert an array to its reduced form using hashing.For this we will be provided with an array. Our task is to convert the given array in its reduced form such that it only contains elements ranging from 0 to n-1.Example Live Demo#include using namespace std; //converting array to its reduced form void convert(int arr[], int n){ // copying the elements of array int temp[n]; memcpy(temp, arr, n*sizeof(int)); sort(temp, temp + n); //creating a hash table unordered_map umap; int val = 0; for ...
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