how to run cpp file in terminal code example

Example 1: compile c++ linux

g++ foo.cpp -o foo //plus other extension like the opencv to compile correctly

Example 2: how to compile and run cpp code in terminal

# compile cpp_code.cpp
g++ cpp_code.cpp

# run compiled file
./a.out

Example 3: run cmd command c++

#include <iostream>
using namespace std;

int main() {
    system("DATE");
    return 0;
}