66 lines
1.5 KiB
C++
66 lines
1.5 KiB
C++
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#include<iostream>
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#include<string>
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#include<sstream>
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int main()
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{
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std::string stringInput;
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unsigned long long day, month, year;
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short daysInMonth[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30};
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std::cout << "Gib den Tag des Monats ein: ";
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getline(std::cin, stringInput);
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std::stringstream(stringInput) >> day;
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if(day>31 || day<1)
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{
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std::cout << "ERROR: Der eingegebene Tag existiert nicht.";
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return(1);
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}
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std::cout << "Gib den Monat ein: ";
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getline(std::cin, stringInput);
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std::stringstream(stringInput) >> month;
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if(month>12 || month<1)
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{
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std::cout << "ERROR: Der eingegebene Monat existiert nicht.";
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return(1);
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}
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if(day>daysInMonth[month] && month!=2 || month==2 && day>29)
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{
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std::cout << "ERROR: Es wurden zuviele Tage f\x81r diesen Monat eingegeben.";
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return(1);
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}
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if(day==29 && month==2) daysInMonth[1]++;
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std::cout << "Gib das Jahr ein: ";
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getline(std::cin, stringInput);
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std::stringstream(stringInput) >> year;
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if(year<0)
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{
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std::cout << "ERROR: Der 1. Januar 0 liegt in der Zukunft.";
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return(1);
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}
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if(day==29 && month == 2 && (year%4!=0 || year%100==0 && year%400!=0))
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{
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std::cout << "ERROR: Die bereits erfolgten Eingaben ben<65>tigen ein Schaltjahr.";
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return(1);
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}
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std::cout << "\nVom 1. Januar 0 bis zum " << day << "." << month << "." << year;
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for(short idx = 0; idx<month-1; idx++)
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{
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day += daysInMonth[idx];
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}
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std::cout << " sind " << year*365+year/4-year/100+year/400+day-1 <<" Tage vergangen.";
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getchar();
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return(0);
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}
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