BOJ 1002 터렛
https://www.acmicpc.net/problem/1002
https://github.com/simjaemun2/BaekJoon/blob/master/BOJ1002/BOJ1002.cpp
난이도 : MH
분류 : math, 원의 방정식
https://www.acmicpc.net/problem/1002
https://github.com/simjaemun2/BaekJoon/blob/master/BOJ1002/BOJ1002.cpp
난이도 : MH
분류 : math, 원의 방정식