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Problem BCode RefactoringTime Limit: 2 seconds"Harry, my dream is a code waiting to bebroken. Break the code, solve the crime."Agent CooperSeveral alg... 阅读全文
摘要：
Problem F: Factoring Large NumbersOne of the central ideas behind much cryptography is that factoring large numbers is computationally intensive. In t... 阅读全文
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Pseudo-Random NumbersComputers normally cannot generate really random numbers, but frequently are used to generate sequences of pseudo-random numbers.... 阅读全文