Problema
Ver traducciónA word is a run of non-space characters. Count the words in text; there may be extra spaces at the start, end or between words.
Implement count_words(text).
Input
text: The text to count.
Output
Return the number of words.
Restricciones
0 ≤ length ≤ 10,000
Ejemplos
Ejemplo 1
Entrada:
text = "Learn to code today"
Salida esperada:
expected = 4
Entrada:
std::string text = "Learn to code today";
Salida esperada:
long long expected = 4;
Entrada:
string text = "Learn to code today";
Salida esperada:
long expected = 4;
Explicación
Four words separated by spaces: 4.
Ejemplo 2
Entrada:
text = " "
Salida esperada:
expected = 0
Entrada:
std::string text = " ";
Salida esperada:
long long expected = 0;
Entrada:
string text = " ";
Salida esperada:
long expected = 0;
Explicación
Only spaces, so there are no words: 0.
Referencias
Este reto está adaptado para CodeUtility. Sigue el enunciado y las restricciones indicadas arriba.