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How to call some function before main() function in C++?
Last Updated: 12 July 2025
Since it is known that main() method is the entry point of the program. Hence it is the first method that will get executed by the compiler. But this article explains how ...
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How can we write main as a class in C++?
Last Updated: 12 July 2025
As it is already known that main() method is the entry point in any program in C++, hence creating a class named "main" is a challenge and is generally not possible. But t...
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return 0 vs return 1 in C++
Last Updated: 20 June 2022
The Return statement in C/C++:C and C++ support return statements, which are also called jump statements.It is used to return a value from the function or stop the executi...
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Return Statement vs Exit() in main() in C++
Last Updated: 06 May 2023
The return statement in C++ is a keyword used to return the program control from the called function to the calling function. On the other hand, the exit() function in C i...
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Can main() be overloaded in C++?
Last Updated: 16 October 2019
Predict the output of following C++ program.C highllight=12-5 #include iostreamusing namespace std;int main(int a){ cout a \n; return 0;}int main(char *...
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Difference between "int main()" and "int main(void)" in C/C++?
Last Updated: 19 October 2023
Note: This was true for older versions of C but has been changed in C11 (and newer versions). In newer versions, foo() is same as foo(void).Consider the following two defi...
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Command Line Arguments in C++
Last Updated: 26 May 2025
Command-line arguments are arguments that are passed to a program when it is executed from the command line or terminal. They are provided in the command-line shell of ope...
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