90. Count Words
EasyStringParsing
Print the number of words in the line. Words are separated by one or more spaces; there may be leading or trailing spaces.
Input format
A single line s (it may contain only spaces).
Output format
The number of words.
Example 1
Input
the quick brown fox
Output
4
Example 2
Input
hello world
Output
2
Constraints
1 ≤ |s| ≤ 10⁵
Read input from standard input and print the answer to standard output. Your code is judged against 4 test cases, most of them hidden.
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