HDU2043，两段代码一模一样，一个AC了，一个WA，不知道为什么密码
密码Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 36459 Accepted Submission(s): 14607Problem Description网上流传一句话:"常在网上飘啊，哪能不挨刀啊～
