자료구조 알고리즘/코딩테스트
1623. All Valid Triplets That Can Represent a Country
내공얌냠
2022. 6. 18. 10:35
https://leetcode.com/problems/all-valid-triplets-that-can-represent-a-country/
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select a.student_name as member_A, b.student_name as member_B, c.student_name as member_C
from SchoolA as a, SchoolB as b, SchoolC as c
where a.student_name <> b.student_name and b.student_name <> c.student_name and a.student_name <> c.student_name and a.student_id <> b.student_id and b.student_id <> c.student_id and a.student_id <> c.student_id
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