AppleAndOrange.cpp

#include <bits/stdc++.h>

using namespace std;

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

//solution by Pranavan


int fruit_count(int s, int t, int a, vector<int> fruits){
    int hit_point,count = 0;
    for (int i:fruits){
       hit_point = i+a;  //final location of the fruit.
       //testing for the range.
       if(s <= hit_point && hit_point <= t){
           count++;
       }
       hit_point = 0; //resetting hit point for next iteration.
    }
    return count;
}
void countApplesAndOranges(int s, int t, int a, int b, vector<int> apples, vector<int> oranges) {
    cout << fruit_count(s, t, a, apples)<<endl;   //checking apple count.
    cout << fruit_count(s, t, b, oranges)<<endl;  //checking oranges count. 
}

int main()
{
    string first_multiple_input_temp;
    getline(cin, first_multiple_input_temp);

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

    int s = stoi(first_multiple_input[0]);

    int t = stoi(first_multiple_input[1]);

    string second_multiple_input_temp;
    getline(cin, second_multiple_input_temp);

    vector<string> second_multiple_input = split(rtrim(second_multiple_input_temp));

    int a = stoi(second_multiple_input[0]);

    int b = stoi(second_multiple_input[1]);

    string third_multiple_input_temp;
    getline(cin, third_multiple_input_temp);

    vector<string> third_multiple_input = split(rtrim(third_multiple_input_temp));

    int m = stoi(third_multiple_input[0]);

    int n = stoi(third_multiple_input[1]);

    string apples_temp_temp;
    getline(cin, apples_temp_temp);

    vector<string> apples_temp = split(rtrim(apples_temp_temp));

    vector<int> apples(m);

    for (int i = 0; i < m; i++) {
        int apples_item = stoi(apples_temp[i]);

        apples[i] = apples_item;
    }

    string oranges_temp_temp;
    getline(cin, oranges_temp_temp);

    vector<string> oranges_temp = split(rtrim(oranges_temp_temp));

    vector<int> oranges(n);

    for (int i = 0; i < n; i++) {
        int oranges_item = stoi(oranges_temp[i]);

        oranges[i] = oranges_item;
    }

    countApplesAndOranges(s, t, a, b, apples, oranges);

    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;
}