Fibonacci pattern

#1

#include
using namespace std;

int main()
{
int n;
cin>>n;

signed int a=0,b=1,c=1;

cout<<a<<endl;
if(n>0)
{
cout<<b<<" "<<c<<endl;

    for(int i=3;i<=n;++i)
    {
        for(int j=1;j<=i;++j)
        {
        a=b;
        b=c;
        c=a+b;
        cout<<c<<" ";
        }
    cout<<endl;
    }
}

return 0;

}

#2

@sudhanshu8917 Please save your code on ide.codingblocks.com and share its link. And also please mention your problem.

#3

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