题解 | #三角形判断#

#include <stdio.h>
int main() 
{
    int a = 0, b = 0, 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)
            {
                printf("Equilateral triangle!");   
            }
            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;
}