How do you reverse a string in C++ using Strrev? strrev() is a pre-defined function in C++, defined inside the cstring. h header file. It is extensively applicable for reversing any C-string(character array). Further, it only requires the base address of the string as its argument and reverses the string accordingly. How do you reverse …
How do you write to a file in C++? In order for your program to write to a file, you must: include the fstream header file and using std::ostream; declare a variable of type ofstream. open the file. check for an open file error. use the file. close the file when access is no longer …
What is a dynamically allocated array? Unlike a fixed array, where the array size must be fixed at compile time, dynamically allocating an array allows us to choose an array length at runtime. To allocate an array dynamically, we use the array form of new and delete (often called new[] and delete[]): 1. 2. 3. …
How do I open a C++ file? CPP files are typically distributed in sample C++ programs, so you can view the code, compile the app and review the results. Click the Windows “Start” button and select “All Programs.” Click “Microsoft . … Click the “File” menu item, then select “Open.” Double-click the CPP file to …
How do you return an array from a function? There are two ways to return an array indirectly from a function. Return pointer pointing at array from function. C does not allow you to return array directly from function. … Pass the returned array as parameter. How do I return an integer array? In the …