31 lines
655 B
C++
31 lines
655 B
C++
#include<iostream>
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#include<string>
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#include<string.h>
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using namespace std;
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int main()
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{
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int n, p=1;
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scanf("%d", &n);
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while(n--)
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{
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int a, b, c;
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scanf("%d%d%d", &a, &b, &c);
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if(a > b)
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swap(a, b);
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if(b > c)
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swap(b, c);
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if(a > b)
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swap(a, b);
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printf("Case #%d: ", p++);
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if(a+b <= c)
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printf("invalid!\n");
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else if(a==b && b==c)
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printf("equilateral\n");
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else if(a==b || b==c)
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printf("isosceles\n");
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else
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printf("scalene\n");
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}
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return 0;
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}
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