2d polja zadatak d) - j)

#include <iostream>
#include<stdlib.h>

using namespace std;

int main()
{
    int a=rand()%21;
    int k=12;
    int s=12;
    int x[12][12];
    int min = x[0][0];
    int zbroj=0;
    for(int i=0;i<k;i++)
    {
        for(int j=0;j<s;j++)
        {
            x[i][j]=a;

            if(x[i]==x[j])
            {
                x[i][j]=-1;
                cout<<x[i][j]<<" ";
            }

            else if ((i+j)==(k-1))
            {
                x[i][j]=-2;
                cout<<x[i][j]<<" ";
            }
            else if((i+1)%2==0)
            {
                x[i][j]=-3;
                cout<<x[i][j]<<" ";
            }
            else if((i+1)%2!=0)
            {
                x[i][j]=-4;
                cout<<x[i][j]<<" ";
            }
            else
                cout<<x[i][j]<<" ";
        }
        cout<<endl;
    }

    cout<<endl;
    for (int i = 0; i < k; i++)
    {
        for (int j = 0; j < s; j++)
            zbroj = zbroj + x[i][j];
        cout << "Zbroj " << i + 1 << ". retka je " << zbroj;
        zbroj = 0;
        cout << endl;
    }
    cout << endl;
    for (int i = 0; i < k; i++)
    {
        for (int j = 0; j < s; j++)
            if(min>x[i][j])
                min=x[i][j];
        cout << "Najmanji broj " << i + 1 << ". stupca je " << min;
        cout << endl;
    }
    return 0;
}