c dili dizeler teslim etmem gereken ödev

#include <stdio.h>
#include <iostream>
#include <string>

using namespace std;

float CalcVki(int boy, int kilo, int yas) {
    return (boy * kilo) / yas;
}

int _tmain(int argc, _TCHAR* argv[]) {
    int boy[5] {
        0
    };
    int kilo[5] {
        0
    };
    int yaş[5] {
        0
    };
    float vki[5] {
        0
    };

    for (int i = 1; i <= 5; i++) {
        cout << "Boy gir " << i << " : ";
        cin >> boy[i - 1];
        cout << "Kilo gir " << i << " : ";
        cin >> kilo[i - 1];
        cout << "Yas gir " << i << " : ";
        cin >> yaş[i - 1];
        vki[i - 1] = CalcVki(boy[i - 1], kilo[i - 1], yaş[i - 1]);
        cout << "Vki " << i << " : " << vki[i - 1] << endl;
        cout << "\n";
    }
    system("PAUSE");
    return 0;
}