2D Array problem

#1

#include
using namespace std;
int main()
{int n ,m;
cin>>m>>n;
int arr[n][m];
if((m>=1 && m<=10)&&((n>=1 && n<=10)))
{
for(int i=0;i<m;i++)
{
for(int j=0;j<n;j++)
{
cin>>arr[i][j];
}
}
for(int j=0;j<n;j=j+1)
{
if(j%2==0)
{
for(int i=0;i<m;i++)
{
cout<<arr[i][j]<<",";
}
}
else
{
for(int i=m-1;i>=0;i–)
{
cout<<arr[i][j]<<",";
}
}
}
}
cout<<“END”;
}

I tried to print the 2 d array to print in wave form

But what is wrong in it in above code?

i tried to submit but still i get failed.

Please advise…

#2

#include using namespace std; int main() { int n ,m=0; cin>>m>>n; int arr[n][m]; if((m>=1 && m<=10)&&((n>=1 && n<=10))) { for(int i=0;i<m;i++) { for(int j=0;j<n;j++) { cin>>arr[i][j]; } } for(int j=0;j<n;j=j+1) { if(j%2==0) { for(int i=0;i<m;i++) { cout<<arr[i][j]<<", “; } } else { for(int i=m-1;i>=0;i–) { cout<<arr[i][j]<<”, "; } } } } cout<<“END”; }

#3

@chellapandiyan hey please check the output format as there is problem in that,also I have more optimized it and made it cleaner please check:

#4

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