74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
#include "std_lib_inc.h"
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constexpr vector<string> right_digit_strings = {
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"", "ein", "zwei", "drei", "vier", "fuenf", "sechs", "sieben", "acht", "neun"
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};
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constexpr 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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/*
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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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const int right_digit = input % 10;
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const int middle_and_right_digit = input % 100;
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const int middle_digit = ((middle_and_right_digit) - right_digit) / 10;
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vector<string> result;
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string number_constructor = "";
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if (middle_and_right_digit < 11 || middle_and_right_digit > 12)
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{
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// Handle everything else
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if (right_digit == 1)
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number_constructor = "s";
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if (middle_digit > 1 && right_digit != 0)
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number_constructor = "und";
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number_constructor = right_digit_strings[right_digit] + number_constructor;
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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 (middle_and_right_digit == 11)
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number_constructor = "elf";
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else
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number_constructor = "zwoelf";
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}
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result.push_back(number_constructor);
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if ((input > 9 /*input_length > 1*/) && (middle_and_right_digit < 11 || middle_and_right_digit > 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 > 99 /*input_length >= 3*/)
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{
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int left_digit = ((input % 1000) - middle_digit) / 100;
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if (left_digit != 1)
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number_constructor = right_digit_strings[left_digit];
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else
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number_constructor = "";
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result.push_back(number_constructor + "hundert");
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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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