CodeEval Challange 8 - Reverse Words

reverse_words.cpp

#include <iostream>
#include <sstream>
#include <stack>
#include <string>

using namespace std;

int main(int argc, const char * argv[]) {
    string line;

    while (getline(cin, line)) {
        if (line.length() < 1) continue;

        stringstream stream(line);
        string buffer;
        stack<string> words;

        while (stream >> buffer) {
            words.push(buffer);
        }

        while (! words.empty()) {
            cout << words.top();
            words.pop();
            if (! words.empty()) {
                cout << " ";
            }
        }

        cout << endl;
    }

    return 0;
}