My final code:
Code:#include <iostream> int year; int leap; int leap2; int leap3; int main() { std::cout << "Enter a year and I will determine if it's a leap year: " ; std::cin >> year ; leap = year % 4 ; leap2 = year % 100 ; leap3 = year % 400 ; if(leap == 0 || leap3 == 0 && leap2 != 0 ) { std::cout << "It is a leap year." << '\n' ; } else { std::cout << "It is not a leap year." << '\n' ; } return 0; }