题解 | #三角形判断#

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