题解 | #三角形判断#

#include <stdio.h>

int main() 
{
    int a,b,c = 0;
    while(scanf("%d %d %d",&a,&b,&c)!=EOF)
    {
        if(a + b > c&&b + c > a&&a + c > b)
        {
        if(a==b&&b==c)
        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;
}