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c++ global variable

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just-saved-you-a-stackoverflow-visit answered on January 23, 2021 Popularity 10/10 Helpfulness 3/10

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c++ global variable

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// a.cpp
int x = 5;

// b.cpp
extern int x; // allows b.cpp to access 'x' from a.cpp

Popularity 10/10 Helpfulness 3/10 Language cpp

Source: Grepper

Tags: c++ global

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Contributed on Jan 23 2021

just-saved-you-a-stackoverflow-visit

0 Answers Avg Quality 2/10

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global variable c++

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#include<iostream>
using namespace std;

// Global variable  
int a = 3; 

int main()
{
    // Local variable   
    int a = 7;
    cout << "Value of global variable a is " << ::a<<endl;
    cout<< "Value of local variable a is " << a; 
    return 0;
}

Try it yourself

Popularity 9/10 Helpfulness 2/10 Language cpp

Source: www.scaler.com

Tags: c++ global glo

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Contributed on Sep 22 2023

Matthew Singh

0 Answers Avg Quality 2/10

c++ global variable

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#include <iostream>

// Global Variable
int globalVariable = 10;

void someFunction() {
    // Accessing globalVariable
    std::cout << "Value of globalVariable: " << globalVariable << std::endl;
}

int main() {
    // Modifying globalVariable
    globalVariable = 20;

    // Calling someFunction
    someFunction();

    return 0;
}

Popularity 9/10 Helpfulness 1/10 Language cpp

Source: Grepper

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Contributed on Sep 12 2023

YOU.com

0 Answers Avg Quality 2/10

variable global c++

Comment

#include<bits/stdc++.h>
    using namespace std;

    //Declaring  a global variable
    int a = 5;

    int main()
    {
      //Printing the value of a
      cout<<"The value of a is "<<a<<"\n";

      //Modifying the value of a
      a--;

      //Printing the value of a 
      cout<<"The value of a is "<<a<<"\n";

      return 0;
    }

	The value of a is 5
    The value of a is 4

Popularity 9/10 Helpfulness 1/10 Language cpp

Source: www.scaler.com

Tags: c++

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Contributed on Mar 06 2023

Muddy Mongoose

0 Answers Avg Quality 2/10

c++ global variable

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