algorithm baekjoon profile https://solved.ac/profile/hyerin0611 blog https://blog.naver.com/hyerin_0611 https://hyerin6.github.io/category/algorithm/ language Java programmers lv1 lv2 codility Lesson1 Lesson2 Lesson3 Lesson4 Lesson5 baekjoon bronze1 bronze2 bronze3 bronze4 silver1 silver2 silver3 silver4 silver5 gold2 gold4 gold5 platinum4 platinum5