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Description
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Define a function <tt>strlen</tt> that takes a single character array as input, 
<tt>src</tt>.  <tt>src</tt> is a null-terminated character array. Return
the number of non-null characters in the string.  Example:  "hi" should return
2 while "" should return 0.
Engine
Template / Reference solution
 
#include <iostream>
using namespace std;
// return the length (# non-null characters) of the C-string
// (null-terminated character array) passed as an argument
 \[ REDACTED ]\ strlen(\[ REDACTED ]\)
{
\[
REDACTED
]\
}
int main()
{
   char str1[] = "abcdefghijklmnopqrstuvwxyz";
   char str2[] = "len";
   char str3[1] = "";
   
   cout << strlen(str1) << endl;
   cout << strlen(str2) << endl;
   cout << strlen(str3) << endl;
   return 0;
}
C++ test suite
json list of stdin/args tests
e.g. [{"stdin":"hi", "args":["4", "5"]},
{"stdin":"noargs"}]

to just run once with no input use [{}]
 
[{}]


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