c++ output
#include <iostream>
int main(){
std::cout << "Hello World!" << std::endl; // prints "Hello World"
}
c++ output
#include <iostream>
int main(){
std::cout << "Hello World!" << std::endl; // prints "Hello World"
}
C++ keyboard input
#include <iostream> // for std::cout and std::cin
int main()
{
std::cout << "Enter a number: "; // ask user for a number
int x{ }; // define variable x to hold user input (and zero-initialize it)
std::cin >> x; // get number from keyboard and store it in variable x
std::cout << "You entered " << x << 'n';
return 0;
}
Enter a number: 4
You entered 4
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