BetweenTwoSets.cpp

#include <bits/stdc++.h>

using namespace std;

vector<string> split_string(string);
typedef long long ll;
/*
 * Complete the getTotalX function below.
 */
int getTotalX(vector<int> a, vector<int> b) {
   int maxi=*(max_element(a.begin(),a.end()));
    //cout<<maxi<<endl;
    int c=0;
    for(ll i=1;i<=100;i++)
    {
        bool istrue=true;
        for(auto x:a)
            if(i%x!=0)
            {
                istrue=false;
                break;
            }
        if(istrue==false)
            continue;
        for(auto x:b)
            if(x%i!=0)
            {
                istrue=false;
                break;
            }
        c+=(istrue);
            
        }
    return c;

}

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

    string nm_temp;
    getline(cin, nm_temp);

    vector<string> nm = split_string(nm_temp);

    int n = stoi(nm[0]);

    int m = stoi(nm[1]);

    string a_temp_temp;
    getline(cin, a_temp_temp);

    vector<string> a_temp = split_string(a_temp_temp);

    vector<int> a(n);

    for (int a_itr = 0; a_itr < n; a_itr++) {
        int a_item = stoi(a_temp[a_itr]);

        a[a_itr] = a_item;
    }

    string b_temp_temp;
    getline(cin, b_temp_temp);

    vector<string> b_temp = split_string(b_temp_temp);

    vector<int> b(m);

    for (int b_itr = 0; b_itr < m; b_itr++) {
        int b_item = stoi(b_temp[b_itr]);

        b[b_itr] = b_item;
    }

    int total = getTotalX(a, b);

    fout << total << "\n";

    fout.close();

    return 0;
}

vector<string> split_string(string input_string) {
    string::iterator new_end = unique(input_string.begin(), input_string.end(), [] (const char &x, const char &y) {
        return x == y and x == ' ';
    });

    input_string.erase(new_end, input_string.end());

    while (input_string[input_string.length() - 1] == ' ') {
        input_string.pop_back();
    }

    vector<string> splits;
    char delimiter = ' ';

    size_t i = 0;
    size_t pos = input_string.find(delimiter);

    while (pos != string::npos) {
        splits.push_back(input_string.substr(i, pos - i));

        i = pos + 1;
        pos = input_string.find(delimiter, i);
    }

    splits.push_back(input_string.substr(i, min(pos, input_string.length()) - i + 1));

    return splits;
}