Server Side Programming Articles - Page 2322 of 2650

How to concatenate multiple C++ strings on one line?

Farhan Muhamed
Updated on 22-Apr-2025 19:07:12

1K+ Views

Sting Concatenatination is the process of creating a single string from multiple strings by combining them all together. In this article, we will discuss all approaches to concatenate multiple strings using C/C++ program. First of all, let's understand the problem statement. A set of C++ strings are given as input. We need to output a single string which is concatenate of the strings provided. For example: // Input Strings "Value " "is " "Big" // Output String "Value is Big" Concatenate Multiple Strings to Single Line Here is the list of approaches ... Read More

How to concatenate a std::string and an int in C++?

Farhan Muhamed
Updated on 22-Apr-2025 19:07:38

2K+ Views

Concatenate a string and an integer means, convert both the string and integer to a single string. In this article we will discuss all the approches to concatenate a std:string and an integer type using C/C++ program. First of all, let's understand the problem statement. We are given a standard c++ string and an integer. We have to output a single string by combining the given string and integer. For example: // Input String and Integer "Value = " 25 // Output String "Value = 25" Concatenate String and Int in C++ Here is the list ... Read More

How do you reverse a string in place in C or C++?

Farhan Muhamed
Updated on 22-Apr-2025 11:42:12

713 Views

Reversing a string means, moving first character to last, second character to second last and so on. In this article we will discuss how to reverse a string in place using C/C++ program. In the "in place" string reversing, we are not allowed take extra memory to store the string while running program. First of all, let's understand our problem statement:We are given a character string as input and we need to find and output the reverse string of the given string. For example: // Input : a character string "This is a string" //Output : Reverse of ... Read More

How do I create a random alpha-numeric string using C++?

Farhan Muhamed
Updated on 27-May-2025 18:06:52

935 Views

Alpha-numeric string are the strings that containing both alphabets and numbers mixed together. These are generally used in security system for generating passwords or hash keys. In this article, we will learn all the approaches for developing a C++ program to generate random alpha numeric stiring. First of all, let's understand the problem statement, We have to input a positive integer for the length of string. The program should output a string of the size containing random characters and numbers. For example, // Input Number : Length of alpha-numeric string 5 // Output String : Alpha-numeric string fd23j ... Read More

Extract all integers from string in C++

Farhan Muhamed
Updated on 18-Apr-2025 18:54:43

7K+ Views

In this article, we will discuss how to extract all the integers from a string using C++ program. We will explore all the possible approaches to do so. First of all, let's understand the problem statement. We have a string that contains a mix of digits and non-digits. We need to extract all the integers from the string and store them in a vector. The integers can be positive or negative. For example, // Input String string str = "ab24wj-123fow" // Output Vector vector vec = {24, -123} Approaches to Extract Integers from String ... Read More

Converting string to number and vice-versa in C++

Farhan Muhamed
Updated on 27-May-2025 18:10:07

885 Views

In this article, we will see how to convert a string to a number and a number to string using modern C++ techniques. Understanding Strings and Numbers In C++, strings and numbers are two different data types. A string is a sequence of characters enclosed in double quotes, and a number can be any numerical value such as integer, float, double, etc. Strings are used to represent text data and numbers are used for mathematical calculations. Let's see an example of defining a string and number. // Define a string string str = "Hello World"; // Define ... Read More

Convert number string to integers in C++

Farhan Muhamed
Updated on 18-Apr-2025 19:02:00

414 Views

There are several inbuilt functions and objects to convert a number string to an integer in C++. Every method has its own advantages and disadvantages. In this article, we will discuss all the approaches to convert a number string to an integer in C++ with example code and use cases. Number String to Integer Conversion Here is the list of approaches to convert a number string to an integer in C++, which we will be discussing in this article with stepwise explanation and complete example codes. Convert Using stoi() Function ... Read More

Convert an integer to a hex string in C++

Farhan Muhamed
Updated on 17-Apr-2025 18:33:36

23K+ Views

Hexadecimal is a base 16 numbering system that uses 16 digits (from 0 to 9, and then A to F) to represent numbers. It is commonly used in computing systems to represent and store data. In this article, we will learn how to convert a normal integer to a hexadecimal string using C++ program. Integer to Hex String Conversion Here is a list of approaches for converting an integer to a hexadecimal, which we will be discussing in this article with stepwise explanation and complete example codes. Using std::stringstream ... Read More

Convert a floating point number to string in C

Vrundesha Joshi
Updated on 30-Jul-2019 22:30:25

9K+ Views

In this section we will see how to convert a number (integer or float or any other numeric type data) to a string.The logic is very simple. Here we will use the sprintf() function. This function is used to print some value or line into a string, but not in the console. This is the only difference between printf() and sprintf(). Here the first argument is the string buffer. where we want to save our data.Input: User will put some numeric value say 42.26 Output: This program will return the string equivalent result of that number like “42.26”AlgorithmStep 1 − ... Read More

Check if a string contains a sub-string in C++

Farhan Muhamed
Updated on 17-Apr-2025 18:56:43

8K+ Views

A substring is a continues sequence of characters within a larger string. For example, the string "point" a substring of the string "TutorialsPoint". In this article, we will learn different approaches to check if a string contains a substring in C++. Here is a list of approaches for checking if a string contains a substring, which we will be discussing in this article with stepwise explanation and complete example codes. Using find() Using search() Using regex_search() Manual Substring ... Read More

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