the code is running correctly on custom input but on submitting it showing wrong answer
#include
using namespace std;
int main() {
int n,m,i,j;
cin>>m>>n;
int a[m][n];
for(i=0;i<m;i++)
{ for(j=0;j<n;j++)
{
cin>>a[i][j];
}}
for(j=0;j<n;j++)
{
if(j%2!=0)
{
for(i=m-1;i>=0;i–)
{cout<<a[i][j]<<" “;
}
}
else
{
for(i=0;i<m;i++)
{cout<<a[i][j]<<” ";
}
}
}
cout<<"END"<<endl;
return 0;
}