73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
#include "std_lib_inc.h"
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const vector<string> first_digit_strings = {
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"", "ein", "zwei", "drei", "vier", "fuenf", "sechs", "sieben", "acht", "neun"
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};
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const vector<string> middle_digit_strings = {
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"", "zehn", "zwanzig", "dreissig", "vierzig", "fuenfzig", "sechzig", "siebzig", "achzig", "neunzig"
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};
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int main()
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{
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int input;
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// ReSharper disable once CppDFAEndlessLoop
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/*
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* Use while (true) with break instead of while(cin) to be able to instantly stop the loop in case of an invalid input
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*/
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while (true)
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{
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cin >> input;
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if (!cin)
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break; // Stop running loop, if input is wrong
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if (input < 1 || input > 999)
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{
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cout << "Zahl ausserhalb des gueltigen Bereichs.\n";
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continue;
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}
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// TODO: remove static_cast
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int input_length = static_cast<int>(std::to_string(input).length());
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int first_digit = input % 10;
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int last_two_digits = input % 100;
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int middle_digit = ((last_two_digits) - first_digit) / 10;
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vector<string> result;
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string suffix = "";
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if (last_two_digits < 11 || last_two_digits > 12)
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{
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// Handle everything else
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if (first_digit == 1)
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suffix = "s";
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if (middle_digit > 1 && first_digit != 0)
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suffix = "und";
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suffix = first_digit_strings[first_digit] + suffix;
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}
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else
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{
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// Handle 11 and 12
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if (last_two_digits == 11)
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suffix = "elf";
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else
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suffix = "zwoelf";
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}
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result.push_back(suffix);
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if (input_length > 1 && (last_two_digits < 11 || last_two_digits > 12))
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result.push_back(middle_digit_strings[middle_digit]);
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else
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result.push_back("");
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if (input_length == 3)
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{
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int last_digit = ((input % 1000) - middle_digit) / 100;
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string suffix = "";
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result.push_back(first_digit_strings[last_digit] + "hundert" + suffix);
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}
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else
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result.push_back("");
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cout << result[2] << result[0] << result[1] << "\n";
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}
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cout << "Eingabe beendet.\n";
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return 0;
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}
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