题解 | #三角形判断#

#include <stdio.h>

int main()
{
int num=0;
    int a,b,c=0;
while((scanf("%d %d %d",&a,&b,&c)!=EOF))
{
   if ((a+b>c)&&(a+c>b)&&(b+c>a))
  {
    if((a==b)&&(b==c)&&(c==a))
    printf("Equilateral triangle!\n");
    else if ((a==b)||(b==c)||(a==c))
    printf("Isosceles triangle!\n");
    else
     printf("Ordinary triangle!\n");

  }
else 
{
printf("Not a triangle!\n");
}
}
    return 0;
}