#include
using namespace std;
int main() {
int row,col;
cin>>row>>col;
int arr[row][col];
//TAKES INPUT IN ARRAY
for(int i=0;i<row;i++)
{
for(int j=0;j<col;j++)
{
cin>>arr[i][j];
}
}
int rowstart=0,rowend=row-1;
for(int i=0;i<col;i++)
{
//CHECKS IF COL IS EVEN IF YES THEN PRINTS FROM TOP TO BOTTOM
if(i%2==0)
{
while(rowstart!=row)
{
cout<<arr[rowstart][i]<<","; //PRINTS FROM TOP TO BOTTOM
rowstart++;
}
rowstart=0;
}
//IF COL IS ODD THEN PRINTS FROM BOTTOM TO TOP
else
{
while(rowend>=0)
{
cout<<arr[rowend][i]<<","; //PRINTS FROM BOTTOM TO TOP
rowend--;
}
rowend=row-1;
}
}
cout<<“END”;
return 0;
}
where i am wrong someone please help me out…its giving wrong answer on testcases
