симметричная

#include <iostream>
using namespace std;
int main()
{
    int i, j;
    const int n = 5;
    int a[n][n];
    for (i = 0; i < n; i++)
    {
        for (j = 0; j < n; j++)
            cin >> a[i][j];
        cout << endl;
    }
    bool q;
    q = true;
    for (i = 0; i < n && q; i++)
    {
        for (j = i + 1; j < n; j++)
            if (a[i][j] != a[j][i])
                q = false;
    }
    if (q) cout << "symmetrical";
    bool b = true;
    for (i = 0; i < n && b; i++)
    {
        for (j = 0; j < n; j++)
            if (a[i][j] != 0 && i > j)
                b = false;
    }
    bool t = true;

    for (i = 0; i < n && t; i++)
    {
        for (j = 0; j < n; j++)
            if (a[i][j] != 0 && i < j)
                t = false;
    }
    if (b) cout << "nijnaya treugolnaya";
    if (t) cout << "verhnya treugolnaya";
    bool c=true;
    for (i = 0; i < n&&c; i++)
    {
        for (j = 0; j < n; j++)
            if (a[i][j] == 0 && (i == j) && (j - i == 1 || i - j == 1))
                c = false;
    }
    if (c)
        cout << "trehdiagonalnaya";


    system("pause");
    return 0;
}