Electronic Shop.cpp

#include <bits/stdc++.h>

using namespace std;

vector<string> split_string(string);

/*
 * Complete the getMoneySpent function below.
 */
int getMoneySpent(vector<int> key, vector<int> dri, int b) {
    int n= key.size();
    int m= dri.size();
    int max=-1;
    
    for(int i=0;i<n;i++)
    {
        for(int j=0;j<m;j++)
        {
            int x= key[i]+dri[j];
            if(x<=b && x>max)
            {
                max=x;
            }
            
        }
    }
    
    return max;
}

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

    string bnm_temp;
    getline(cin, bnm_temp);

    vector<string> bnm = split_string(bnm_temp);

    int b = stoi(bnm[0]);

    int n = stoi(bnm[1]);

    int m = stoi(bnm[2]);

    string keyboards_temp_temp;
    getline(cin, keyboards_temp_temp);

    vector<string> keyboards_temp = split_string(keyboards_temp_temp);

    vector<int> keyboards(n);

    for (int keyboards_itr = 0; keyboards_itr < n; keyboards_itr++) {
        int keyboards_item = stoi(keyboards_temp[keyboards_itr]);

        keyboards[keyboards_itr] = keyboards_item;
    }

    string drives_temp_temp;
    getline(cin, drives_temp_temp);

    vector<string> drives_temp = split_string(drives_temp_temp);

    vector<int> drives(m);

    for (int drives_itr = 0; drives_itr < m; drives_itr++) {
        int drives_item = stoi(drives_temp[drives_itr]);

        drives[drives_itr] = drives_item;
    }

    /*
     * The maximum amount of money she can spend on a keyboard and USB drive, or -1 if she can't purchase both items
     */

    int moneySpent = getMoneySpent(keyboards, drives, b);

    fout << moneySpent << "\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;
}