takeU

def w(a, b, c): if a 20: return w(20, 20, 20) if dp[a][b][c]: return dp[a][b][c] if a < b < c: dp[a][b][c] = w(a, b, c - 1) + w(a, b - 1, c - 1) - w(a, b - 1, c) return dp[a][b][c] dp[a][b][c] = w(a - 1, b, c) + w(a - 1, b - 1, c)\ + w(a - 1, b, c - 1) - w(a - 1, b - 1, c - 1) return dp[a][b][c] dp = [[[0] * 21 for _ in range(21)] for _ in range(21)] while True: a, b, c = map(int, input().split(..

board, blank = [], [] for i in range(9): li = list(map(int, input().split())) for j, l in enumerate(li): if not l: blank.append([i, j]) board.append(li) def check(x, y): s = set() for i in range(9): for j in range(9): if i == x or y == j or (i // 3 == x // 3 and j // 3 == y // 3): s.add(board[i][j]) return list(set(range(1, 10)) - s) def dfs(count): if count == len(blank): for b in board: print(..

li = [0, 1, 2] x, y = map(int, input().split()) d = y - x if d

w, h, x, y, p = map(int, input().split()) ans = 0 for _ in range(p): nx, ny = map(int, input().split()) if (x

https://www.youtube.com/watch?v=i-9kckr4zqU https://www.youtube.com/watch?v=eJfmrO_QYl0 https://www.youtube.com/watch?v=RUJrQqPW6WM https://www.youtube.com/watch?v=Kt7zOX-UcOU https://www.youtube.com/watch?v=mYMxvmJdi9c

https://www.youtube.com/watch?v=AgsCNSvSR-0 https://www.youtube.com/watch?v=KGCz8o4y6W0 https://www.youtube.com/watch?v=t6GUh09wamY https://www.youtube.com/watch?v=t6GUh09wamY

from itertools import combinations n = int(input()) li = [] for i in range(1, 11): for com in combinations(range(10), i): com = sorted(list(com), reverse=True) li.append(int("".join(map(str, com)))) li.sort() print(li[n - 1] if len(li) > n - 1 else -1) 1038이랑 똑같은 문제

https://www.youtube.com/watch?v=glhTP66Rk5g https://www.youtube.com/watch?v=tgIS6ThNTVk https://www.youtube.com/watch?v=rzetHTU6DH0

https://www.youtube.com/watch?v=DohcBXkt0HM https://www.youtube.com/watch?v=_xgoYlicwBQ https://www.youtube.com/watch?v=wd1QrHDvlls

https://www.youtube.com/watch?v=74_yqNBhQbA https://www.youtube.com/watch?v=IDD5_z3kKCU https://www.youtube.com/watch?v=FIsCYzu_1Gc https://www.youtube.com/watch?v=d4eiB-nmIoo https://www.youtube.com/watch?v=FZnW6A2k9tw