int main()
{
int a[][5] = {
{1, 2, 3, 4, 5},
{2, 1, 3, 4, 5},
{3, 3, 1, 4, 4},
{4, 4, 4, 1, 6},
{5, 5, 4, 6, 1}};
int i, j, n = 5, flag = 0;
for (i = 0; i < n; i++)
{
for (j = 0; j < i; j++)
{
if (a[i][j] != a[j][i])
{
flag = 1;
i = n;
break;
}
}
}
if (flag == 0)
printf("Yes");
else
printf("No");
return 0;
}
1 2 3 4 5
2 1 3 4 5
3 3 1 4 4
4 4 4 1 6
5 5 4 6 1