问如何从独立函数向数组中输入数据

EN

    #include<iostream>

    using namespace std;

    struct myArrayWrapper
    {
        int m_array[9];//Array for the 9 given values
        int n_array[6];//Array for the 6 values we will be computing

    };

    int perimeter(myArrayWrapper a)//function to calculate the perimiter
    {
        int p;
        int* A = a.m_array; 
        int* B = a.n_array;
        for(int b = 0 && int a = 1 && int s = 0; a < 8 && b < 9; a+=3 && b+=3 && s+=2) {//for loop to calculate the perimeter of the 3 boxes
        p = 2*A[a] + 2*A[b];
    }

    }

    int volume(myArrayWrapper a)// function to calculate the volume
    {
    int v;
    int* B = a.m_array;//pointer
    for(int c = 0 && int d = 3 && int e = 6; c < 3; c+=3 && d+=3 && e+=3){
        int v;
        v = B[c]*B[d]*B[e];

    }

    }


    int main()
    {
    myArrayWrapper obj;
    obj.m_array[0] = 10;//height of box 1
    obj.m_array[1] = 40;//height of box 2
    obj.m_array[2] = 70;//height of box 3
    obj.m_array[3] = 20;//width of box 1
    obj.m_array[4] = 50;//width of box 2 
    obj.m_array[5] = 80;//width of box 3
    obj.m_array[6] = 30;//depth of box 1
    obj.m_array[7] = 60;//depth of box 2
    obj.m_array[8] = 90;//depth of box 3

    for(int x = 0; x < 8; x++){//Loop that checks to make sure that the given dimensions are greater than 0
    if(obj.m_array[x]>0)
        cout << "Element number " << x << "is greater than 0" << endl;
    else
        cout << "The element is not greater than 0" << endl;
    return 0;
    }

    perimeter(obj);
    volume(obj);

    }