pr_teh_razv

word_counter.h
#ifndef WORD_COUNTER_H
#define WORD_COUNTER_H

#include <string>

int countWords(const std::string& str);

#endif // WORD_COUNTER_H

word_counter.cpp
#include "word_counter.h"
#include <sstream>

int countWords(const std::string& str) {
    std::istringstream stream(str);
    std::string word;
    int count = 0;

    while (stream >> word) {
        count++;
    }

    return count;
}

main.cpp
#include <iostream>
#include "word_counter.h"

int main() {
    std::string text;
    std::cout << "Введите строку: ";
    std::getline(std::cin, text);

    std::cout << "Количество слов: " << countWords(text) << std::endl;
    return 0;
}