x = 0 x = 1 x++ = 1 x = 2 x = 44 x += 12 = 56 x = 56 x = 55 x-- = 55 x = 54 x = 47 x -= 3 = 44 x = 44 x = 45 ++x = 46 x = 46 x = 45 --x = 44 x = 44 c = 0 c = 1 c++ = 1 c = 2 c = 252 c += 42 = 38 c = 38 c = 37 c-- = 37 c = 36 c = 29 c -= 3 = 26 c = 26 c = 27 ++c = 28 c = 28 c = 27 --c = 26 c = 26