a c++ problem?

Question

write a program that accepts a string input. it then counts the no. of character.
this is the given output:
Input a string:Hello world
No. of Character:10

Answer 1

// all those #include and main() doodads

char strline[50];
cout << "Input a string: ";
cin >> strline;
cout << "No. of Characters: " << strlen(strline);

Answer 2

yeah okay, true, but don't forget that it counts spaces as well, so it's actually 11

Answer 3

#include
#include

char *blah;

int main() {
cin >> blah;
cout << strlen(blah) << endl;
system("pause");
}