[C++][Strings] StringStream

https://www.hackerrank.com/challenges/c-tutorial-stringstream/problem

 

#include <sstream>
#include <vector>
#include <iostream>
using namespace std;

vector<int> parseInts(string str) {
    vector<int> result;
    stringstream ss;
    char ch;
    int n;
    
    // stringstream object called ss encapsulates a string
    // and allows access to string as we could access any other stream
    ss.str(str);
    
    while (ss >> n) {
        result.push_back(n);
        
        // gets rid of all the commas and make the loop work
        ss >> ch;
    }
    
    return result;
}

int main() {
    string str;
    cin >> str;
    vector<int> integers = parseInts(str);
    for(int i = 0; i < integers.size(); i++) {
        cout << integers[i] << "\n";
    }
    
    return 0;
}