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最新推荐文章于 2025-06-01 06:02:42 发布

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最新推荐文章于 2025-06-01 06:02:42 发布

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文章标签： eclipse

本文链接：https://blog.youkuaiyun.com/weixin_55015438/article/details/123763079

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public class Main {

   public static void main(String[] args) {
       Scanner sc=new Scanner(System.in);
       double a,b,c,x1,x2,bb,fourac,twoa,tmp,tmp1;
       int n;
       String str = sc.nextLine();
       n = Integer.parseInt(str);

       for(int i=0;i<n;i++) {
           str = sc.nextLine();
           String[] split = str.split(" ");
           a = Double.parseDouble(split[0]);
           b = Double.parseDouble(split[1]);
           c = Double.parseDouble(split[2]);
           bb=b*b;
       fourac=4*a*c;
       twoa=-b/(a*2);
       if(b==0)
               twoa=0;
       if(bb==fourac)
           System.out.printf("x1=x2=%.5f\n" , twoa);
       else if(bb>fourac)
           {
           tmp=Math.sqrt(b*b-4*a*c);
           tmp1=2*a;
       x1=(-b+tmp)/tmp1;
       x2=(-b-tmp)/tmp1;
       System.out.printf("x1=%.5f;x2=%.5f\n" , x1 , x2);
       }
       else
           System.out.printf("x1=%.5f+%.5fi;x2=%.5f-%.5fi\n" ,twoa,(Math.sqrt(fourac-bb)/(a*2)),twoa,(Math.sqrt(fourac-bb)/(a*2)));

       }
   }
}