Passing an Array to a Function in C++
Passing an Array to a Function Introduction · Arrays can be passed to functions as arguments — just like variables. · Arrays are always passed by reference , not by value. · The function receives the address of the first element. · Any changes made inside the function affect the original array . Usability…
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SCOPE OF A VARIABLE
SCOPE OF A VARIABLE Scope of a variable · Part of the program where the variable can be accessed or used. · Variable scope determines its lifetime and visibility . Types of Variable Scope :- 1. Local Scope Declared inside a block (e.g., within functions, loops, or conditional statements) . Lifetime : inside the b…
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Input And Output Functions of C++
Input And Output Functions of C++ · Standard Input/Output (I/O) library streams functions. · Used for input and output objects. · Main functions are cin, cout, and cerr, etc Input Function: cin Take input from the user by the standard input device (keyboard). Use the extraction operator (>>) with cin. …
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