760. String length

subject

The length of a given line does not exceed 100 Non empty string for , Please find out its specific length .

Input format
The input line , Represents a string . Note that the string may contain spaces .

Output format
Output an integer , It means its length .

Data range
1≤ String length ≤100
No carriage return at the end of the string

sample input ：
I love Beijing.
sample output ：
15

Code

#include <iostream>

using namespace std;

int main()
{
    
    int len = 0;
    char ch;
    while((ch = getchar()) &&  ch != '\0')
        len++;
    cout<<len<<endl;
    
    return 0;
}

quote

AcWing 760. String length ( Commonly used ones that do not ignore spaces 4 String reading methods )