dots, instructions = open(0).read().split('\n\n') dots = {eval(pair) for pair in dots.splitlines()} ans1 = None for line in instructions.splitlines(): axis, zz = line.split()[-1].split('=') zz = int(zz) if axis == 'x': dots = {(x, y) if x < zz else (2 * zz - x, y) for x, y in dots} elif axis == 'y': dots = {(x, y) if y < zz else (x, 2 * zz - y) for x, y in dots} if ans1 is None: ans1 = len(dots) x, *_, X = sorted(x for x, y in dots) y, *_, Y = sorted(y for x, y in dots) ans2 = '' for yi in range(y, Y + 1): for xi in range(x, X + 1): ans2 += '#' if (xi, yi) in dots else ' ' ans2 += '\n' print(ans1) print(ans2)