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.

Vincoli

0 ≤ length ≤ 10,000

Esempi

Input:
text = "I love programming"

Output atteso:
expected = "programming"

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

Output atteso:
std::string expected = "programming";

Input:
string text = "I love programming";

Output atteso:
string expected = "programming";

Input:
text = "cat dog cow"

Output atteso:
expected = "cat"

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

Output atteso:
std::string expected = "cat";

Input:
string text = "cat dog cow";

Output atteso:
string expected = "cat";

Riferimenti

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• UW TCSS 142 Introduction to Programming - master syllabus