zp1241.cpp

一个acm题目系统会自动删除debug和release目录

//---------------------------------------------------------------------------

#pragma hdrstop

//---------------------------------------------------------------------------

#pragma argsused
#include <iostream>

#include <iomanip>
using namespace std;
int main(int argc, char* argv[])
{
  int a,b,c,k;
  float l;
  cin>>a>>b>>c;
  k=1;
  while (a+b+c)
  {
    cout<<"Triangle #"<<k<<endl;
    if (a==-1)
      if (b<c)
      { l=sqrt(c*c-b*b);
        cout<<"a = "<<setiosflags(ios::fixed)
            <<setprecision(3)<<l;}
      else cout<<"Impossible.";
    else
      if (b==-1)
        if (a<c)
        { l=sqrt(c*c-a*a);
          cout<<"b = "<<setiosflags(ios::fixed)
              <<setprecision(3)<<l;}
        else cout<<"Impossible.";
      else if (c==-1)
             {l=sqrt(a*a+b*b);
              cout<<"c = "<<setiosflags(ios::fixed)
                  <<setprecision(3)<<l;}
    cout<<endl<<endl;
    cin>>a>>b>>c;k++;
  }
  return 0;
}
//---------------------------------------------------------------------------