[백준] 11650. 좌표 정렬하기
출처 https://www.acmicpc.net/problem/11650
출처 https://www.acmicpc.net/problem/11650
출처 https://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AV7GKs06AU0DFAXB&categoryId=AV7GKs06AU0DFAXB&categoryType=CODE&pr...
출처 https://www.acmicpc.net/problem/24479
출처 https://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AV14w-rKAHACFAYD
출처 https://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AV5P0-h6Ak4DFAUq