#define _CRT_SECURE_NO_WARNINGS #include <iostream> using namespace std; int arr1[13] = { 0,31,29,31,30,31,30,31,31,30,31,30,31 }; int arr2[13] = { 0,31,28,31,30,31,30,31,31,30,31,30,31 }; bool Leap_year(int ...