fork(1) download
copy 
  1. /*###Begin banned keyword - each of the following line if appear in code will raise error. regex supported
  2. ###End banned keyword*/
  3.  
  4. //###INSERT CODE HERE -
  5. #include <iostream>
  6. #include <cmath>
  7. using namespace std;
  8.  
  9. struct PhanSo
  10. {
  11.     int t, m;
  12. };
  13.  
  14. void Nhap(PhanSo& a)
  15. {
  16.     cin >> a.t >> a.m;
  17. }
  18.  
  19. PhanSo Nhap()
  20. {
  21.     PhanSo b;
  22.     cin >> b.t >> b.m;
  23.     return b;
  24. }
  25.  
  26. int ucln(int a, int b)
  27. {
  28.     a = abs(a); b = abs(b);
  29.     int t;
  30.     while (b > 0)
  31.     {
  32.         t = a % b;
  33.         a = b;
  34.         b = t;
  35.     }
  36.     return a;
  37. }
  38.  
  39. PhanSo Cong(PhanSo a, PhanSo b)
  40. {
  41.     PhanSo ketqua = { (a.t * b.m) + (b.t * a.m), a.m * b.m};
  42.     return ketqua;
  43. }
  44.  
  45. void Xuat(PhanSo a)
  46. {
  47.     int d = ucln(a.t, a.m);
  48.     a.t /= d;
  49.     a.m /= d;
  50.     if (a.t % a.m == 0) cout << a.t / a.m;
  51.     else
  52.         if (a.t > 0 && a.m < 0 || a.t < 0 && a.m < 0)
  53.         {
  54.             a.t = -a.t;
  55.             a.m = -a.m;
  56.             cout << a.t << "/" << a.m;
  57.         }
  58.         else cout << a.t << "/" << a.m;
  59. }
  60. int main() {
  61.     PhanSo a, b;
  62.     Nhap(a);
  63.     b = Nhap();
  64.     Xuat(Cong(a, b));
  65.     return 0;
  66. }
  67.  
Success #stdin #stdout 0s 4952KB
comments (?)
stdin
copy 
3 -3
0 -9
stdout
copy 
-1
https://ideone.com/NX8Ph3
language:
C++ (gcc 8.3)
created:
3 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!