[HackerRank] Type of Triangle

 

 

[문제]

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[MySQL]

SELECT CASE
          WHEN A+B <= C OR B+C <= A OR C+A <= B THEN 'Not A Triangle'
          WHEN A=B AND B=C THEN 'Equilateral'
          WHEN A=B OR B=C OR C=A THEN 'Isosceles'
          ELSE 'Scalene'
       END
FROM TRIANGLES