中文題目:
http://luckycat.kshs.kh.edu.tw/homework/q11479.htm
#include <stdio.h>
int main()
{
int i, n;
long long int x, y, z;
fscanf(stdin, "%d", &n);
for (i=0; i<n; i++)
{
fscanf(stdin, "%lld %lld %lld", &x, &y, &z);
if (x >= y+z)
{
printf("Case %d: Invalid\n", i+1);
continue;
}
if (y >= x+z)
{
printf("Case %d: Invalid\n", i+1);
continue;
}
if (z >= x+y)
{
printf("Case %d: Invalid\n", i+1);
continue;
}
if (x == y && y == z)
{
printf("Case %d: Equilateral\n", i+1);
continue;
}
if (x == y || y == z || x == z)
{
printf("Case %d: Isosceles\n", i+1);
continue;
}
printf("Case %d: Scalene\n", i+1);
}
return 0;
}
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