Longest Word

Return the longest word in text (words are separated by spaces). If several words share the longest length, return the first one.

Implement longest_word(text).

Input

text: The sentence.

Output

Return the longest word, or an empty string if there are no words.

Restricciones

0 ≤ length ≤ 10,000

Ejemplos

Entrada:
text = "I love programming"

Salida esperada:
expected = "programming"

Entrada:
std::string text = "I love programming";

Salida esperada:
std::string expected = "programming";

Entrada:
string text = "I love programming";

Salida esperada:
string expected = "programming";

Entrada:
text = "cat dog cow"

Salida esperada:
expected = "cat"

Entrada:
std::string text = "cat dog cow";

Salida esperada:
std::string expected = "cat";

Entrada:
string text = "cat dog cow";

Salida esperada:
string expected = "cat";

Referencias

Este reto está adaptado para CodeUtility. Sigue el enunciado y las restricciones indicadas arriba.

• UW TCSS 142 Introduction to Programming - master syllabus