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  1. #include <iostream>
  2. #include <string>
  3. #include <sstream>
  4. #include <chrono>
  5. using namespace std;
  6.  
  7. struct AgeDetail {
  8.     int years;
  9.     int months;
  10.     int days;
  11. };
  12.  
  13. AgeDetail calculateAge(int birthYear, int birthMonth, int birthDay) {
  14.     using namespace chrono;
  15.  
  16.     // Ambil tanggal sekarang
  17.     auto today = system_clock::now();
  18.     time_t t = system_clock::to_time_t(today);
  19.     tm now = *localtime(&t);
  20.  
  21.     int yearNow = now.tm_year + 1900;
  22.     int monthNow = now.tm_mon + 1;
  23.     int dayNow = now.tm_mday;
  24.  
  25.     AgeDetail age{};
  26.     age.years = yearNow - birthYear;
  27.     age.months = monthNow - birthMonth;
  28.     age.days = dayNow - birthDay;
  29.  
  30.     if (age.days < 0) {
  31.         age.months--;
  32.         static int daysInMonth[] = {31,28,31,30,31,30,31,31,30,31,30,31};
  33.         int prevMonth = (monthNow - 2 + 12) % 12;
  34.         int yearOfPrevMonth = yearNow;
  35.         if (monthNow == 1) yearOfPrevMonth--;
  36.         // cek kabisat
  37.         if (prevMonth == 1 && ((yearOfPrevMonth % 4 == 0 && yearOfPrevMonth % 100 != 0) || (yearOfPrevMonth % 400 == 0))) {
  38.             daysInMonth[1] = 29;
  39.         } else {
  40.             daysInMonth[1] = 28;
  41.         }
  42.         age.days += daysInMonth[prevMonth];
  43.     }
  44.  
  45.     if (age.months < 0) {
  46.         age.years--;
  47.         age.months += 12;
  48.     }
  49.  
  50.     return age;
  51. }
  52.  
  53. int main() {
  54.     string fullName;
  55.     int birthYear, birthMonth, birthDay;
  56.  
  57.     cout << "Nama: ";
  58.     getline(cin, fullName); 
  59.  
  60.     cout << "Tanggal lahir (YYYY MM DD): ";
  61.     cin >> birthYear >> birthMonth >> birthDay;
  62.  
  63.     string firstName, middleName, lastName;
  64.     stringstream ss(fullName);
  65.     ss >> firstName >> middleName >> lastName;
  66.  
  67.     AgeDetail age = calculateAge(birthYear, birthMonth, birthDay);
  68.  
  69.     if (middleName.empty()) {
  70.         cout << "Woi, " << firstName << ", lu udah " 
  71.              << age.years << " tahun, " 
  72.              << age.months << " bulan, " 
  73.              << age.days << " hari." << endl;
  74.     } else {
  75.         cout << "Woi, " << middleName << ", lu udah " 
  76.              << age.years << " tahun, " 
  77.              << age.months << " bulan, " 
  78.              << age.days << " hari." << endl;
  79.     }
  80.  
  81.     return 0;
  82. }
Success #stdin #stdout 0.01s 5320KB
comments (?)
stdin 
Standard input is empty
stdout 
Nama: Tanggal lahir (YYYY MM DD): Woi, , lu udah 2025 tahun, 8 bulan, 9 hari.
https://ideone.com/cH0VEm
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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