fork download
copy 
  1. #include <iostream>
  2. #include <iomanip>
  3. #include <algorithm>
  4. #include <cmath>
  5. #include <numeric>
  6. #include <climits>
  7. using namespace std;
  8.  
  9. long long mod = 1000000007;
  10.  
  11. enum Triangle {
  12.     TAM_GIAC_DEU = 1,
  13.     TAM_GIAC_THUONG = 4,
  14.     TAM_GIAC_CAN = 2,
  15.     TAM_GIAC_VUONG = 3,
  16.     TAM_GIAC_R = 5
  17. };
  18.  
  19. int main() {
  20.     ios_base::sync_with_stdio(false);
  21.     cin.tie(NULL);
  22.     int a, b, c;cin >> a >> b >> c;
  23.     int type = 0;
  24.     if (a + b > c && a + c > b && b + c > a) {
  25.         Triangle triangle;
  26.         if (a == b && b == c) {
  27.             triangle = Triangle::TAM_GIAC_DEU;
  28.         }
  29.         else if (a == b || a == c || b == c) {
  30.             triangle = Triangle::TAM_GIAC_CAN;
  31.         }
  32.         else if ((a * a + b * b == c * c) || (b * b + c * c == a * a) || (c * c + a * a == b * b)) {
  33.             triangle = Triangle::TAM_GIAC_VUONG;
  34.         }
  35.         else {
  36.             triangle = Triangle::TAM_GIAC_THUONG;
  37.         }
  38.         cout << triangle;
  39.     }
  40.     else {
  41.         cout << "INVALID";
  42.     }
  43.  
  44.     return 0;
  45. };
  46.  
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
INVALID
https://ideone.com/oMg9F5
language:
C++ (gcc 8.3)
created:
2 days 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!