Arrays-wave print column wise doubt

#1

my code
https://ide.codingblocks.com/s/42882
question link
https://online.codingblocks.com/player/11915/content/4825?s=1502
what’s the problem with my code

#2

Refer to the given link for corrected code:
https://ide.codingblocks.com/s/42897

1 Like
#3

#include
using namespace std;

//Compiler version g++ 6.3.0

int main()
{
int a[1000][1000]={0};
int m,n;
cin>>m>>n;
for(int i=0;i<m;i++){
for(int j=0;j<n;j++){

 cin>>a[i][j];}

}

for(int j=0;j<n;j++){
  if(j%2==0){
    for(int i=0;i<m;i++){
      cout<<a[i][j]<<", ";
    }}
    else{
      for(int i=m-1;i>=0;i--){
        cout<<a[i][j]<<", ";
      }
    }
  }


cout<<"END";

}

#4

#include
using namespace std;
int main()
{
int a[100][100];
int n,m;cin>>m>>n;
int val=10;
for(int row=0;row<m;row++)
{
for(int co=0;co<n;co++)
{
val++;
a[row][co]=val;

		cout<<a[row][co]<<" ";
			
	}
	cout<<endl;
	val=val+10-n;
}
for(int co=0;co<n;co++)
{
	if(co%2==0)
	{
		for(int row=0;row<n;row++)
		{
			cout<<a[row][co]<<","<<" ";
		}
	}
	else
	{
		for(int row=m-1;row>=0;row--)
		{
			cout<<a[row][co]<<","<<" ";
		}
	}
	
}cout <<"END";

}