https://www.acmicpc.net/problem/19924개로 분할하여 푼다. # -*- encoding: cp949 -*- import sys def quad(x1, y1, x2, y2): flag = False #print 'h =',x1,y1,x2,y2, for i in xrange(y1, y2+1): for j in xrange(x1, x2+1): if maps[y1][x1] != maps[i][j]: flag = True break if flag: break if not flag: #print 'here =',x1,y1,maps[y1][x1] sys.stdout.write(maps[y1][x1]) if flag: h_x = (x1+x2)/2; h_y = (y1+y2)/2 sys.stdo..