|
[cpp] view plaincopyprint?
01.#include<sstream>
02.#include<stdlib.h>
03.#include<algorithm>
04.#include<iostream>
05.using namespace std;
06.string::iterator it;
07.string Trans(long Integer)
08.{
09. if(Integer == 0) return "0";
10. string temp="";
11. while(Integer)
12. {
13. temp = char(Integer%2+48)+temp;
14. Integer/=2;
15. }
16. return temp;
17.}
18.string Trans(double Decimal)
19.{
20. string temp=".";
21. int n = 20;
22. while(Decimal&&n)
23. {
24. Decimal*=2;
25. temp = temp + char(int(Decimal)+48);
26. Decimal = Decimal - int(Decimal);
27. n--;
28. }
29. return temp;
30.}
31.int main()
32.{
33. int i,j;
34. double x;
35. while(cin>>x)
36. {
37. long Integer = long(x);
38. double Decimal = x-Integer;
39. double ans;
40. string Ans = Trans(Integer) + Trans(Decimal);
41. //cout<<Ans<<endl;
42.
43. /*根据题目进行的格式控制、、*/
44. int n = Ans.length();
45. while(--n)
46. {
47. it = Ans.end()-1;
48. if(Ans[n] == '0')
49. Ans.erase(it);
50. else if(Ans[n] == '.')
51. {
52. Ans.erase(it);
53. break;
54. }
55. else
56. break;
57. }
58. cout<<Ans<<endl;
59. /*
60. stringstream ss;
61. ss<<Ans;
62. ss>>ans;
63. ss.clear();
64. cout<<ans<<endl;
65. */
66. }
67.} 上一页 [1] [2]
|
