Between Two Sets.cpp

#include <bits/stdc++.h>

using namespace std;

string ltrim(const string &);
string rtrim(const string &);
vector<string> split(const string &);

/*
 * Complete the 'getTotalX' function below.
 *
 * The function is expected to return an INTEGER.
 * The function accepts following parameters:
 *  1. INTEGER_ARRAY a
 *  2. INTEGER_ARRAY b
 */

int getTotalX(vector<int> a, vector<int> b) {
    int sa= a.size();
    int sb=b.size();
    int maxa=0, minb=100, count=0;
    
    for(int i=0;i<sa;i++)
    {
        if(a[i]>maxa)
        {
            maxa=a[i];
        }
    }
    
    for(int i=0;i<sb;i++)
    {
        if(b[i]<minb)
        {
            minb=b[i];
        }
    }
    
    for (int k=maxa;k<=minb;k++)
    {
        int flag=1;
        for(int i=0;i<sa;i++)
        {
            if(k%a[i]!=0)
            {
                flag=0;
            }
        }
        for(int j=0;j<sb;j++)
        {
            if(b[j]%k!=0)
            {
                flag=0;
            }
        }
        if(flag==1)
        {
            count++;
        }
    }
    // for (int k=1; k<=100; k++)
    // {
    //     int flag = 1;
    //     for (int i=0; i<sa; i++)
    //         if (k % a[i] != 0)
    //             flag = 0;
    //     for (int i=0; i<sb; i++)
    //         if (b[i] % k != 0)
    //             flag = 0;
    //     if (flag == 1)
    //         count ++;
    // }

return count;
}

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

    string first_multiple_input_temp;
    getline(cin, first_multiple_input_temp);

    vector<string> first_multiple_input = split(rtrim(first_multiple_input_temp));

    int n = stoi(first_multiple_input[0]);

    int m = stoi(first_multiple_input[1]);

    string arr_temp_temp;
    getline(cin, arr_temp_temp);

    vector<string> arr_temp = split(rtrim(arr_temp_temp));

    vector<int> arr(n);

    for (int i = 0; i < n; i++) {
        int arr_item = stoi(arr_temp[i]);

        arr[i] = arr_item;
    }

    string brr_temp_temp;
    getline(cin, brr_temp_temp);

    vector<string> brr_temp = split(rtrim(brr_temp_temp));

    vector<int> brr(m);

    for (int i = 0; i < m; i++) {
        int brr_item = stoi(brr_temp[i]);

        brr[i] = brr_item;
    }

    int total = getTotalX(arr, brr);

    fout << total << "\n";

    fout.close();

    return 0;
}

string ltrim(const string &str) {
    string s(str);

    s.erase(
        s.begin(),
        find_if(s.begin(), s.end(), not1(ptr_fun<int, int>(isspace)))
    );

    return s;
}

string rtrim(const string &str) {
    string s(str);

    s.erase(
        find_if(s.rbegin(), s.rend(), not1(ptr_fun<int, int>(isspace))).base(),
        s.end()
    );

    return s;
}

vector<string> split(const string &str) {
    vector<string> tokens;

    string::size_type start = 0;
    string::size_type end = 0;

    while ((end = str.find(" ", start)) != string::npos) {
        tokens.push_back(str.substr(start, end - start));

        start = end + 1;
    }

    tokens.push_back(str.substr(start));

    return tokens;
}