Problem
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.
Constraints
0 ≤ length ≤ 10,000
Examples
Example 1
Input:
text = "I love programming"
Expected output:
expected = "programming"
Input:
std::string text = "I love programming";
Expected output:
std::string expected = "programming";
Input:
string text = "I love programming";
Expected output:
string expected = "programming";
Explanation
"programming" has 11 letters, more than the others.
Example 2
Input:
text = "cat dog cow"
Expected output:
expected = "cat"
Input:
std::string text = "cat dog cow";
Expected output:
std::string expected = "cat";
Input:
string text = "cat dog cow";
Expected output:
string expected = "cat";
Explanation
All are 3 letters; the first, "cat", wins.
References
This challenge is adapted for CodeUtility. Follow the statement and constraints above.