// Please enter your birthday in this // format(including spaces): // [DD MM YYYY] // [01 01 1997] // I think that I have covered all possible // wrong inputs (17 by now)! // Please let me know if you find any other // bugs or wrong inputs that I haven't covered. // Thank you all for your support. // And if you liked it don't forget to give // a (+1) like. // Thank you all for the likes!!! // By @ Michael Xanthopoulos #include using namespace std; int main() { int DD = 32, MM = 13, YYYY = -1, NYYYY, NMM, IDAY, day, flag = 0; string month[] = {"January","February","March","April","May","June","July", "August","September","October","November","December"}; cin >> DD; cin >> MM; cin >> YYYY; if(DD == 32 && MM == 13 && YYYY == -1){ cout << "Please enter your birthday in this" << endl << " format(including spaces):" << endl << " [DD MM YYYY]" << endl << " [01 01 1997]\n"; return -1; } if(DD <= 0){ if(MM <= 0){ cout << "We don't have negative or null days and months. Try again!"; return -1; } cout << "We don't have negative or null days. Try again!"; return -1; } if(MM <= 0){ cout << "We don't have negative or null months. Try again!"; return -1; } if(DD > 31 || MM > 12 || YYYY <= 0){ if(DD > 31 && MM > 12 && YYYY <= 0){ cout << "We have 12 months, the days of a month are up to 31\nand a year should be a positive number. Try again!"; return -1; } else if(DD > 31 && MM > 12 && YYYY > 0){ cout << "We have 12 months and the days of a month are up to 31. Try again!"; return -1; } else if(DD > 31 && MM <= 12 && YYYY <= 0){ cout << "The days of a month are up to 31 and a year should be a positive number. Try again!"; return -1; } else if(DD > 31 && MM <= 12 && YYYY > 0){ cout << "The days of a month are up to 31. Try again!"; return -1; } else if(DD <= 31 && MM > 12 && YYYY <= 0){ cout << "We have 12 months and a year should be a positive number. Try again!"; return -1; } else if(DD <= 31 && MM > 12 && YYYY > 0){ cout << "We have 12 months. Try again!"; return -1; } else if(DD <= 31 && MM <= 12 && YYYY <= 0){ cout << "A year should be a positive number. Try again!"; return -1; } } switch(MM){ case 2: if((YYYY % 400) == 0){ if(DD > 29){ cout << "The year " << YYYY << " is a leap year. So, February has up to 29 days. Try again!" << endl; return -1; } } else if((YYYY % 4) == 0 && (YYYY % 100) != 0){ if(DD > 29){ cout << "The year " << YYYY << " is a leap year. So, February has up to 29 days. Try again!" << endl; return -1; } } else{ if(DD > 28){ cout << "The year " << YYYY << " isn't a leap year. So, February has up to 28 days. Try again!" << endl; return -1; } } break; case 4: if(DD > 30){ cout << "April has up to 30 days. Try again!" << endl; return -1; } break; case 6: if(DD > 30){ cout << "June has up to 30 days. Try again!" << endl; return -1; } break; case 9: if(DD > 30){ cout << "September has up to 30 days. Try again!" << endl; return -1; } break; case 11: if(DD > 30){ cout << "November has up to 30 days. Try again!" << endl; return -1; } break; } if(MM <= 2){ NYYYY = YYYY - 1; NMM = 0; } else{ NYYYY = YYYY; NMM = (4*MM+23)/10; } IDAY = 365*YYYY + DD + 31*(MM-1) - NMM + (NYYYY/4) - ((3*((NYYYY/100) + 1)/4)); day = IDAY % 7; if(DD != 11 && DD != 12 && DD != 13){ flag = DD % 10; } switch(day){ case 0: if(flag == 1){ cout << "You were born on Saturday, " << DD << "st of " << month[MM-1] << " of " << YYYY << "!" << endl; break; } if(flag == 2){ cout << "You were born on Saturday, " << DD << "nd of " << month[MM-1] << " of " << YYYY << "!" << endl; break; } if(flag == 3){ cout << "You were born on Saturday, " << DD << "rd of " << month[MM-1] << " of " << YYYY << "!" << endl; break; } cout << "You were born on Saturday, " << DD << "th of " << month[MM-1] << " of " << YYYY << "!" << endl; break; case 1: if(flag == 1){ cout << "You were born on Sunday, " << DD << "st of " << month[MM-1] << " of " << YYYY << "!" << endl; break; } if(flag == 2){ cout << "You were born on Sunday, " << DD << "nd of " << month[MM-1] << " of " << YYYY << "!" << endl; break; } if(flag == 3){ cout << "You were born on Sunday, " << DD << "rd of " << month[MM-1] << " of " << YYYY << "!" << endl; break; } cout << "You were born on Sunday, " << DD << "th of " << month[MM-1] << " of " << YYYY << "!" << endl; break; case 2: if(flag == 1){ cout << "You were born on Monday, " << DD << "st of " << month[MM-1] << " of " << YYYY << "!" << endl; break; } if(flag == 2){ cout << "You were born on Monday, " << DD << "nd of " << month[MM-1] << " of " << YYYY << "!" << endl; break; } if(flag == 3){ cout << "You were born on Monday, " << DD << "rd of " << month[MM-1] << " of " << YYYY << "!" << endl; break; } cout << "You were born on Monday, " << DD << "th of " << month[MM-1] << " of " << YYYY << "!" << endl; break; case 3: if(flag == 1){ cout << "You were born on Tuesday, " << DD << "st of " << month[MM-1] << " of " << YYYY << "!" << endl; break; } if(flag == 2){ cout << "You were born on Tuesday, " << DD << "nd of " << month[MM-1] << " of " << YYYY << "!" << endl; break; } if(flag == 3){ cout << "You were born on Tuesday, " << DD << "rd of " << month[MM-1] << " of " << YYYY << "!" << endl; break; } cout << "You were born on Tuesday, " << DD << "th of " << month[MM-1] << " of " << YYYY << "!" << endl; break; case 4: if(flag == 1){ cout << "You were born on Wednesday, " << DD << "st of " << month[MM-1] << " of " << YYYY << "!" << endl; break; } if(flag == 2){ cout << "You were born on Wednesday, " << DD << "nd of " << month[MM-1] << " of " << YYYY << "!" << endl; break; } if(flag == 3){ cout << "You were born on Wednesday, " << DD << "rd of " << month[MM-1] << " of " << YYYY << "!" << endl; break; } cout << "You were born on Wednesday, " << DD << "th of " << month[MM-1] << " of " << YYYY << "!" << endl; break; case 5: if(flag == 1){ cout << "You were born on Thursday, " << DD << "st of " << month[MM-1] << " of " << YYYY << "!" << endl; break; } if(flag == 2){ cout << "You were born on Thursday, " << DD << "nd of " << month[MM-1] << " of " << YYYY << "!" << endl; break; } if(flag == 3){ cout << "You were born on Thursday, " << DD << "rd of " << month[MM-1] << " of " << YYYY << "!" << endl; break; } cout << "You were born on Thursday, " << DD << "th of " << month[MM-1] << " of " << YYYY << "!" << endl; break; case 6: if(flag == 1){ cout << "You were born on Friday, " << DD << "st of " << month[MM-1] << " of " << YYYY << "!" << endl; break; } if(flag == 2){ cout << "You were born on Friday, " << DD << "nd of " << month[MM-1] << " of " << YYYY << "!" << endl; break; } if(flag == 3){ cout << "You were born on Friday, " << DD << "rd of " << month[MM-1] << " of " << YYYY << "!" << endl; break; } cout << "You were born on Friday, " << DD << "th of " << month[MM-1] << " of " << YYYY << "!" << endl; break; } cout << "\nAnd if you liked it, don't forget to give a (+1) like!\nThank you!" << endl; return 0; }

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