void main()
{
int a,b,c,t;
printf("輸入三角形的三條邊");
scanf("%d%d%d",&a,&b,&c);
if(a<b)
{
t=a;
a=b;
b=t;
}
if(a<c)
{
t=a;
a=c;
c=t;
}
if(a>=b+c)
printf("not a triangle");
if(a*a==b*b+c*c)printf("Yes");
else
printf("No");
printf("\n");
}
}
if(a>=b+c)
printf("not a triangle");
if(a*a==b*b+c*c)https://github.com/zhangbo2008/Trie_with_informationExtraction_and_fuzzy_matchingv2