sparseArrays.cpp

#include <bits/stdc++.h>

using namespace std;

// Complete the matchingStrings function below.
vector<int> matchingStrings(vector<string> strings, vector<string> queries) {
    vector<int> retArray(queries.size()); // if do not init the size of the array, will get a seg fault later when assigning
    int match, i;

    while (i < queries.size()) {
        for (int j = 0; j < strings.size(); j++) {
            if (queries[i] == strings[j]) {
                match++;
            }
        } 
        
        retArray[i] = match;
        match = 0;
        i++;
    } 

    return retArray;

}

int main()
{
    ofstream fout(getenv("OUTPUT_PATH"));

    int strings_count;
    cin >> strings_count;
    cin.ignore(numeric_limits<streamsize>::max(), '\n');

    vector<string> strings(strings_count);

    for (int i = 0; i < strings_count; i++) {
        string strings_item;
        getline(cin, strings_item);

        strings[i] = strings_item;
    }

    int queries_count;
    cin >> queries_count;
    cin.ignore(numeric_limits<streamsize>::max(), '\n');

    vector<string> queries(queries_count);

    for (int i = 0; i < queries_count; i++) {
        string queries_item;
        getline(cin, queries_item);

        queries[i] = queries_item;
    }

    vector<int> res = matchingStrings(strings, queries);

    for (int i = 0; i < res.size(); i++) {
        fout << res[i];

        if (i != res.size() - 1) {
            fout << "\n";
        }
    }

    fout << "\n";

    fout.close();

    return 0;
}