hdu 4079 Happy Telephones
摘要:
Happy TelephonesTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 199Accepted Submission(s): 159Problem DescriptionIn the land of Eden, all phone conversations are happy ones. People complaining on the phone are immediately put in jail. To enforce th 阅读全文