03. Punctuation

#include <iostream>
#include <string>
#include <map>

using namespace std;

int main() {
    string line;
    getline(cin, line);

    map<int, int> results;

    while (line.length() != 0) {
        size_t punct = 0, index = line.find('|');
        for (size_t i = 0; i < line.substr(0, index).length(); i++) {
            if (ispunct(line[i])) {
                punct++;
            }
        }
        line.erase(0, index + 1);
        results[punct]++;
    }

    for (map<int, int>::iterator it = results.begin(); it != results.end(); it++) {
        cout << it->first << " symbol sentences: " << it->second << endl;
    }
    return 0;
}