Перепешите программу

#include <iostream>
 
using namespace std;
 
int main(int argc, char * argv[])
{
    const int size = 100;
    int arr[size] = {16,  78,  99,   6, -29,  19, -52,  65, -88,  51,
 
      -79, -22,  32, -25, -62, -69,  -2, -59, -75,  89,
 
      -87,  95, -22,  85, -49, -75,  76,  73, -59, -52,
 
       30,  49, -28, -48,   0,  57,  -6, -85,   0, -18,
 
      -97, -21, -95,  64,  22,  -2,  69, -84,  -1, -71,
 
      -25,  47,  72,  43,  15, -44,  44,  61,   4,  74,
 
       88, -61,   0, -64, -83,  97,   0,  90,  15,   8,
 
      -54,  19,  73,  35, -67, -87,  85, -99, -70,  10,
 
       98,  58, -10, -29,  95,  62,  77,  89,  36, -32,
 
       78,  60, -79, -18,  30, -13, -34, -92,   1, -38
    };
 
 
    
    int sum = 0;
    for (int i = 0; i < size; i++)
    {
        if (arr[i] > 0)
        {
            sum += arr[i];
        }
    }
 
    cout << "Sum of positive elements:" << sum << '\n';
    system("pause");
    return 0;
}

#include <iostream>
#include <cstdlib>
 
using namespace std;
 
int main(int argc, char * argv[])
{
const int size = 100;
int arr[size] = {16, 78, 99, 6, -29, 19, -52, 65, -88, 51,
 
-79, -22, 32, -25, -62, -69, -2, -59, -75, 89,
 
-87, 95, -22, 85, -49, -75, 76, 73, -59, -52,
 
30, 49, -28, -48, 0, 57, -6, -85, 0, -18,
 
-97, -21, -95, 64, 22, -2, 69, -84, -1, -71,
 
-25, 47, 72, 43, 15, -44, 44, 61, 4, 74,
 
88, -61, 0, -64, -83, 97, 0, 90, 15, 8,
 
-54, 19, 73, 35, -67, -87, 85, -99, -70, 10,
 
98, 58, -10, -29, 95, 62, 77, 89, 36, -32,
 
78, 60, -79, -18, 30, -13, -34, -92, 1, -38
};
 
 
 
int sum = 0;
int* psum = &sum;
for (int i = 0; i < size; i++) {
if (*(arr + i) > 0) { *psum += *(arr + i);}
}
 
cout << "Sum of positive elements:" << *psum << '\n';
system("pause");
return 0;
}

#include <iostream>
using namespace std;
int main()
{
    int b[5][25], a[125] =
{16, 78, 99, 6, -29, 19, -52, 65, -88, 51,
 
-79, -22, 32, -25, -62, -69, -2, -59, -75, 89,
 
-87, 95, -22, 85, -49, -75, 76, 73, -59, -52,
 
30, 49, -28, -48, 0, 57, -6, -85, 0, -18,
 
-97, -21, -95, 64, 22, -2, 69, -84, -1, -71,
 
-25, 47, 72, 43, 15, -44, 44, 61, 4, 74,
 
88, -61, 0, -64, -83, 97, 0, 90, 15, 8,
 
-54, 19, 73, 35, -67, -87, 85, -99, -70, 10,
 
98, 58, -10, -29, 95, 62, 77, 89, 36, -32,
 
78, 60, -79, -18, 30, -13, -34, -92, 1, -38};
    int i=0,j=0;
    for (int k=0; k<125; ++k) {
        if (!((k+1)%25)) {
            j=0;
            ++i;
        }
        b[i][j++] = a[k];
    }
 
    
    for ( i = 0; i < 5; ++i) {
        cout << &b[i][0] << "\t" << &b[i][24] << "\n";
    }
 
    system("pause");
    return 0;
}