Posted on 2009-10-10 12:58
Hero 阅读(1394)
评论(0) 编辑 收藏 引用 所属分类:
代码如诗－－ACM
1 //HLOJ_1301 just for play Accepted
2
3 #include <iostream>
4 #include <cmath>
5 using namespace std ;
6
7 int ina, inb, inc ;
8
9 int main()
10 {
11 int cnt = 0 ;
12 while( cin >> ina >> inb >> inc )
13 {
14 if( 0==ina && 0==inb && 0==inc ) break ;
15
16 printf( "Triangle #%d\n", ++cnt ) ;
17
18 double result = 0 ;
19
20 if( -1 == ina )
21 {
22 if( inc <= inb )
23 {
24 printf( "Impossible.\n" ) ;
25 }
26 else
27 {
28 result = sqrt( 1.0*inc*inc - inb*inb ) ;
29 printf( "a = %0.3lf\n", result ) ;
30 }
31 }
32 else if( -1 == inb )
33 {
34 if( inc <= ina )
35 {
36 printf( "Impossible.\n" ) ;
37 }
38 else
39 {
40 result = sqrt( 1.0*inc*inc - ina*ina ) ;
41 printf( "b = %0.3lf\n", result ) ;
42 }
43 }
44 else
45 {
46 result = sqrt( 1.0*ina*ina + inb*inb ) ;
47 printf( "c = %0.3lf\n", result ) ;
48 }
49
50 printf( "\n" ) ;
51 }
52
53 return 0 ;
54 }
55 //c = 5.000