9.s.1 arrays

#include <iostream>
#include <string>
#include <fstream>
using namespace std;


int find(string* arr, int lenght, string name) {
    for (int i = 0; i < lenght; i++)
        if (arr[i] == name)
            return i; // &arr[i]
    return -1;
}

int main() {
    ifstream in ("f1.txt");

    string* names = NULL;
    int* points = NULL;
    string temp;
    int pCount = 0, operations = 0;

    getline(in, temp);
    pCount = stoi(temp);
    names = new string[pCount];
    points = new int[pCount];
    for (int i = 0; i < pCount; i++) {
        getline(in, names[i]);
        points[i] = 0;
    }

    getline(in, temp);
    operations = stoi(temp);
    int from, to; int transfer;
    char c;
    for (int i = 0; i < operations; i++) {
        in >> temp;
        from = find(names, pCount, temp);
        in >> temp;
        to = find(names, pCount, temp);
        in >> temp;
        if (from == -1 || to == -1 || temp == "")
            continue;
        transfer = stoi(temp);

        points[from] -= transfer;
        points[to] += transfer;
    }

    in.close();
    ofstream out("f2.txt");

    for (int i = 0; i < pCount; i++)
        out << names[i] << " " << points[i] << endl;

    out.close();
}