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200901.cpp
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200901.cpp
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#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
//freopen("a.in","r",stdin);
//freopen("a.out","w",stdout);
int n,a;
cin>>n;
if(n==0)
{
cin>>a;
cout<<a;
}
else
for(int i=n;i>=0;i--)
{
cin>>a;
if(i==n&&i!=1&&i!=0)
{
if(a!=0)
{
if(a==1)
cout<<"x^"<<i;
if(a==-1)
cout<<"-x^"<<i;
if(a!=1&&a!=-1)
cout<<a<<"x^"<<i;
}
}
if(i==0)
{
if(a!=0)
{
if(a>=0)
cout<<"+"<<a;
else
cout<<a;
}
}
if(i==1)
{
if(a!=0)
{
if(a==1)
cout<<"+x";
if(a==-1)
cout<<"-x";
if(a!=1&&a!=-1)
{
if(a>0)
cout<<"+";
cout<<a<<"x";
}
}
}
if(i!=n&&i!=0&&i!=1)
{
if(a>0)
{
if(a==1)
cout<<"+x^"<<i;
if(a!=1)
cout<<"+"<<a<<"x^"<<i;
}
if(a<0)
{
if(a==-1)
cout<<"-x^"<<i;
if(a!=-1)
cout<<a<<"x^"<<i;
}
}
}
return 0;
}