dp: 2096, 14002, 2056, 2482(1309동물원),17404,2616, 7570 2602, 2698
자료구조: 1043, 1351, 1918, 1717(union find), 1976(union-find)
17298, 5052
스택: 17298, 2493, 9935
그리디: 1715, 1744,
완전탐색: 15684, 1339, 17142, 17135, 17406, 17779, 17281
이진탐색: 1939, 8983, 2473, 3649
bfs/dfs: 13913, 1963, 2573, 2206, 1987,2665, 2638, 2573, 1707, 9466, 5427(=3055)
Re: 2206
2638(연구소): dfs+While문
백트랙킹: 1987, 2580, 1062, 2661, 2239, 16197
