#include <iostream>
#include <string.h>
using namespace std;
int main() {
string s;
int count = 0;
cout << "Please enter string:" << endl;
getline(cin, s);
size_t len = strlen(s.c_str());
for (int i = 0; i < len; ++i) {
if (s[i] == ' ') {
++count;
do {
++i;
} while (i < len && s[i] == ' ');
}
}
if (s[len - 1] != ' ') {
++count;
}
cout << "Words in string: " << count;
}