Wave print array problem

code is running everything is okk btt still i m not getting marks.
#include
using namespace std;
void waveprint(int a[][10],int R,int C)
{ int j;
for(int j=0;j<C;j++)
{ if(j&1)
{for(int i=C-1;i>=0;i–)
{cout<<a[i][j]<<",";}
}
else
{
for(int i=0;i<C;i++)
{cout<<a[i][j]<<",";}
}
}
cout<<“END”;

}
int main() {
int R,C;
cin>>R>>C;

int a[10][10];
for(int i=0;i<R;i++)
{for(int j=0;j<C;j++)
{cin>>a[i][j];}
}

waveprint(a,R,C);
return 0;

}

I run your code at the ide, it is not showing the output,