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!\n");
            }
            else if (a == b ||b == c || c == a)
            {
                printf("Isosceles triangle!\n");
            }
            else
            {
                printf("Ordinary triangle!\n");
            
            }
        }
        else 
        {
            printf("Not a triangle!\n");
        
        }
    }

    return 0;
}