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- #include<stdio.h>
- int main()
- {
- int a,b,c,d,i,j,n;
- scanf("%d",&n);
- for(i=1; i<=n; i++)
- {
- scanf("%d %d %d",&a,&b,&c);
- if(a<b&&a<c)
- {
- if(b<c)
- {
- if(a+b>c)
- {
- if(a==b&&b==c&&c==a)
- printf("Case %d: Equilateral\n",i);
- else if(a==b&&a!=c)
- printf("Case %d: Isosceles\n",i);
- else if(b==c&&b!=a)
- printf("Case %d: Isosceles\n",i);
- else if(c==a&&c!=b)
- printf("Case %d: Isosceles\n",i);
- else if(a!=b&&b!=c&&c!=a)
- printf("Case %d: Scalene\n",i);
- }
- else
- printf("Case %d: Invalid\n",i);
- }
- }
- if(b<=a&&b<=c)
- {
- if(a<c)
- {
- if(a+b>c)
- {
- if(a==b&&b==c&&c==a)
- printf("Case %d: Equilateral\n",i);
- else if(a==b&&a!=c)
- printf("Case %d: Isosceles\n",i);
- else if(b==c&&b!=a)
- printf("Case %d: Isosceles\n",i);
- else if(c==a&&c!=b)
- printf("Case %d: Isosceles\n",i);
- else if(a!=b&&b!=c&&c!=a)
- printf("Case %d: Scalene\n",i);
- }
- else
- printf("Case %d: Invalid\n",i);
- }
- }
- if(c<=a&&c<=b)
- {
- if(a<b)
- {
- if(a+b>c)
- {
- if(a==b&&b==c&&c==a)
- printf("Case %d: Equilateral\n",i);
- else if(a==b&&a!=c)
- printf("Case %d: Isosceles\n",i);
- else if(b==c&&b!=a)
- printf("Case %d: Isosceles\n",i);
- else if(c==a&&c!=b)
- printf("Case %d: Isosceles\n",i);
- else if(a!=b&&b!=c&&c!=a)
- printf("Case %d: Scalene\n",i);
- }
- else
- printf("Case %d: Invalid\n",i);
- }
- }
- }
- return 0;
- }
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