【牛客网】BC51 三角形判断

#include<stdio.h>
int main()
{
   int a, b, c;
   while(scanf("%d %d %d",&a, &b, &c)!=EOF)
   {
    if(a + b >c && a + c > b && b + c > a)
    {
      if(a==b&& b == c)
      {
        printf("Equilateral triangle!\n");
      }
      else if(a!=b&&a!=c&&b!=c)
      printf("Ordinary triangle!\n");
      else
       printf("Isosceles triangle!\n");
    }
    else 
    {
      printf("Not a triangle!\n");
    }
   }
  return 0;
}