0000000100000101000010010001000100100001010000011110000010100001001000100010010000100110000010100001001000100010001100000101000010010000110000010100000110111000111010011100101110001110110011010101101001110011011001011100011101110010110101011001101011010101011010011100111010011011001011100011111111000111010011100101101100110101011001101011100101101010101101001110011110001110100110110010111000111101111101111101111101111101111101111101111111111110零和数组（第2章第2.1节）。