洛谷 1067 2018.5.27

#include<stdio.h>
#include<stdlib.h>
int a[100000]={0};
int main()
{
    int n,i;
    scanf("%d",&n);
    for(i=1;i<=n+1;i++)
    {
    scanf("%d",&a[i]);
    if(a[i]==0)  continue;
    if(i==1)
    {
      if(a[i]==1)
        printf("x^%d",n-i+1);
      else if(a[i]==-1)
        printf("-x^%d",n-i+1);
      else
        printf("%dx^%d",a[i],n-i+1);
      continue;}
    if(i==n)
    {
      if(a[i]==1)
        printf("+x");
      else if(a[i]==-1)
        printf("-x");
      else if(a[i]>0)
        printf("+%dx",a[i]);
      else if(a[i]<0)
        printf("%dx",a[i]);
      continue;}
    if(i==n+1)
     {
     if(a[i]==0)  continue;
     if(a[i]<0)
       printf("%d",a[i]);
     else
       printf("+%d",a[i]);
     continue;}
    if(a[i]==1)
      printf("+x^%d",n-i+1);
    else if(a[i]==-1)
      printf("-x^%d",n-i+1);
    else if(a[i]>0)
      printf("+%dx^%d",a[i],n-i+1);
    else if(a[i]<0)
      printf("%dx^%d",a[i],n-i+1);
    }
    system("pause");
    return 0;
}

这道题坑是真的多（好吧其实是我自己真的菜.....）

坑基本有：

1.x^1||x^0

2.x^2x^1

3.+x^n

4.1x^n

这串代码也是终极之胡编乱造最终AC的，写的乱七八糟简直混蛋