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Problem Statement The Happy Letter game is played as follows: At the beginning, several players enter the field. Each player has a lowercase English l 阅读全文
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Lucky Number Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 294 Accepted Submission(s): 49 Pro 阅读全文
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Secret agent Roger is trying to crack a safe containing evil Syrian chemical weapons. In order to crack the safe, Roger needs to insert a key into the 阅读全文
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You are planning a road trip to visit your friends, each of whom live in different towns. Of course, you don't want to pay any more for fuel on the tr 阅读全文
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Currency ExchangeTime Limit:1000MSMemory Limit:30000KTotal Submissions:19881Accepted:7114DescriptionSeveral currency exchange points are working in ou... 阅读全文