3~10WA
by nick_zha @ 2021-05-08 20:02:25
```
intput:99
-1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100 1 8
output:-x^99-7x^50+100x^2+x+8
```
3数据点
by nick_zha @ 2021-05-08 20:03:48
40points,1/2/7/8 AC
```
#include<bits/stdc++.h>
using namespace std;
int a[105];
int main()
{
int b,g;
cin>>b;
for(int i=0;i<=b;i++)
{
cin>>a[i];
}
if(a[0]>0)
{
if(a[0]==1){cout<<"x^"<<b;}
else cout<<a[0]<<"x^"<<b;
}
else if(a[0]==0)
{
cout<<"";
}
else
{
if(a[0]==-1)
{
cout<<"-x^"<<b;
}
else cout<<a[0]<<"x^"<<b;
}
for(int i=1;i<=b;i++)
{
g=b-i;
if(g==0)
{
if(a[i]!=0)
{
if(a>0){cout<<"+";}
cout<<a[i];
}
else(a[i]==0);{cout<<"";}
}
else if(g==1)
{
if(a[i]!=0)
{
if(a[i]>0){cout<<"+";}
cout<<a[i]<<"x";
}
else if(a[i]==0)
{
cout<<"";
}
}
else
{
if(a[i]>0)
{
if(a[i]==1){cout<<"+x^"<<g;}
else cout<<"+"<<a[i]<<"x^"<<g;
}
else if(a[i]==0)
{
cout<<"";
}
else
{
if(a[i]==-1)
{
cout<<"-x^"<<g;
}
else cout<<a[i]<<"x^"<<g;
}
}
g=b-i;
}
return 0;
}
```
by nick_zha @ 2021-05-15 20:46:49
50分[记录](https://www.luogu.com.cn/record/53881507)
```c
#include<bits/stdc++.h>
using namespace std;
int a[105];
int main()
{
int b,g;
cin>>b;
for(int i=0;i<=b;i++)
{
cin>>a[i];
}
if(a[0]>0)
{
if(a[0]==1){cout<<"x^"<<b;}
else cout<<a[0]<<"x^"<<b;
}
else if(a[0]==0)
{
cout<<"";
}
else
{
if(a[0]==-1)
{
cout<<"-x^"<<b;
}
else cout<<a[0]<<"x^"<<b;
}
for(int i=1;i<=b;i++)
{
g=b-i;
if(g==0)
{
if(a[i]!=0)
{
if(a>0){cout<<"+";}
cout<<a[i];
}
else(a[i]==0);{cout<<"";}
}
else if(g==1)
{
if(a[i]>0)
{
if(a[i]==1){cout<<"+x";}
else cout<<"+"<<a[i]<<"x";
}
else if(a[i]==0)
{
cout<<"";
}
else if(a[i]<0)
{
if(a[i]==-1){cout<<"-x";}
else cout<<a[i]<<"x";
}
}
else
{
if(a[i]>0)
{
if(a[i]==1){cout<<"+x^"<<g;}
else {cout<<"+"<<a[i]<<"x^"<<g;}
}
else if(a[i]==0)
{
cout<<"";
}
else if(a[i]<0)
{
if(a[i]==-1)
{
cout<<"-x^"<<g;
}
else cout<<a[i]<<"x^"<<g;
}
}
g=b-i;
}
return 0;
}
```
by nick_zha @ 2021-07-22 11:30:37