摘要： Charitable Exchange Charitable Exchange Time Limit: 4000/2000MS (Java/Others) Memory Limit: 65535/65535KB (Java/Others) Submit Status Have you ever he 阅读全文

摘要： Description Jessica's a very lovely girl wooed by lots of boys. Recently she has a problem. The final exam is coming, yet she has spent little time on 阅读全文

摘要： Description In Pearlania everybody is fond of pearls. One company, called The Royal Pearl, produces a lot of jewelry with pearls in it. The Royal Pear 阅读全文

摘要： Description It has been ten years since TJU-ACM established. And in this year all the retired TJU-ACMers want to get together to celebrate the tenth a 阅读全文