用Python解决

#include<stdio。h>#include<math。h>void main(){ float a,b,c,s,area; printf("please input a,b,c\n"); scanf("%f%f%f",&a,&b,&c); if(a+b>c&&b+c>a&&c+a>b) { s=(a+b+c)/2; area=(float)sqrt(s*(s-a)*(s-b)*(s-c)); printf("area=%f\n",area); if(a==b&&a==c&&b==c) printf("equilateral tring\n"); else if(a==b||a==c||b==c) printf("isosceles tring\n"); else if((a*a+b*b==c*c)||(a*a+c*c==b*b)||(b*b+c*c==a*a)) printf("right -angled tring\n"); } else printf("not tring\n");}