hdoj/section3-4/main.cpp

#include <iostream>
#include <vector>
#include <string>
#include <algorithm>

using namespace std;

const string space = "5";

bool compare(int a, int b) {
    return a < b;
}

int main() {
    string str;
    vector<int> result;
    int val = 0;
    while (cin >> str) {
        int index = 0;
        for (; str.size() > 0;) {
            index = str.find(space);
            if (index < 0) {
                val = atoi(str.substr(0, index).c_str());
                result.push_back(val);
                break;
            }
            if (index != 0) {
                val = atoi(str.substr(0, index).c_str());
                result.push_back(val);
            }
            str = str.substr(index + 1, str.size());
        }
        sort(result.begin(), result.end(), compare);

        for (int i = 0; i < result.size(); i++) {
            cout << result.at(i);
            if (i != (result.size() - 1)) {
                cout << " ";
            }
        }
        cout << endl;

        result.clear();
    }

    return 0;
}