// https://godbolt.org/z/xYvPxbjr5
#include <iostream> // cin, cout for input and output
#include <string>
#include <array>
using std::cin; using std::cout; // abbreviations cin and cout
void input(
std::string &name,
unsigned &birthDay,
unsigned &birthMonth,
unsigned &birthYear,
long long &socialSecurity,
std::array<int,12> &monthIncomes) // array is a container
{
/* input still without good error handling... */
cout << "Name: ";
std::getline(cin, name); // getline takes input stream and string
if(name.length() == 0) {
cout << "You have entered an empty name.\n";
exit(1);
}
cout << "birth day: "; cin >> birthDay;
cout << "birth month: "; cin >> birthMonth;
cout << "birth year: "; cin >> birthYear;
cout << "social security: "; cin >> socialSecurity;
for(int m=0; m<12; ++m) {
cout << "income month " << m+1 << ": "; // multiple outputs
cin >> monthIncomes[m]; // read in with operator
}
cout << std::endl;
}
int main() {
std::string name{};
unsigned day = 0;
unsigned month = 0;
unsigned year = 0;
long long ssid = 0;
std::array<int,12> incomes{};
input(name, day, month, year, ssid, incomes);
// ... calculations ...
}