How can I format the output of cout to be aligned with the columns of a table?

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There are different ways to format the output of cout to be aligned with the columns of a table, but one approach is to use the setw() function from the iomanip header. Here's an example:

#include <iostream>
#include <iomanip>

int main()
{
    std::cout << std::setw(10) << "Column 1";
    std::cout << std::setw(10) << "Column 2";
    std::cout << std::setw(10) << "Column 3" << std::endl;

    std::cout << std::setw(10) << 1;
    std::cout << std::setw(10) << 2;
    std::cout << std::setw(10) << 3 << std::endl;

    std::cout << std::setw(10) << 111;
    std::cout << std::setw(10) << 222;
    std::cout << std::setw(10) << 333 << std::endl;

    return 0;
}

In this example, the setw() function sets the width of the next output field to a fixed value. The first cout statement specifies the column headers with a width of 10 characters each. The following cout statements specify the values for each column also with a width of 10 characters each. By using the setw() function, the output will be aligned with the columns of a table. The output of this example will be:

  Column 1 Column 2  Column 3
         1         2         3
       111       222       333