[백준 4574번] 스도미노쿠 (Python3)
import sys input = sys.stdin.readline dy = [1,-1,0,0] dx = [0,0,1,-1] def put(n,c): y,x = c y,x = ord(y)-65,int(x)-1 board[y][x] = n checky[y][n] = 1 checkx[x][n] = 1 checksq[(y//3,x//3)][n] = 1 def check(y,x,n): if checky[y][n] or checkx[x][n] or checksq[(y//3,x//3)][n]: return True return False def sudoku(y,x): global finish if finish: return if y == 9: finish = True print("Puzzle",test) print..