can anyone tell me what is wrong in this code?
#include
using namespace std;
int main() {
int a[10][10];
int n, m;
cin >> n >> m;
if (n >= 1 && n <= 10 && m >= 1 && m <= 10)
{
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
cin >> a[i][j];
}
}
for (int i = 0; i < n; i++)
{
if (i % 2 == 0)
{
for (int j = 0; j < m; j++)
{
cout << a[j][i] << “,”;
}
}
else
{
for (int j = m - 1; j >= 0; j--)
{
cout << a[j][i] << ",";
}
}
}
cout << "END";
}
return 0;
}