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  1. function sumOfDigitsThreeDigit(n) {
  2.     if (n < 100 || n > 999) {
  3.         return "Число должно быть трехзначным";
  4.     }
  5.     const hundreds = Math.floor(n / 100);
  6.     const tens = Math.floor((n % 100) / 10);
  7.     const units = n % 10;
  8.     return hundreds + tens + units;
  9. }
  10.  
  11. // Пример использования:
  12. console.log(sumOfDigitsThreeDigit(123));  // 6
  13. console.log(sumOfDigitsThreeDigit(456));  // 15
Success #stdin #stdout 0.04s 16568KB
comments (?)
stdin 
Standard input is empty
stdout 
6
15
https://ideone.com/YUx7yf
language:
JavaScript (SMonkey 60.2.3)
created:
4 days ago
visibility:
public

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