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  • Problem 1. Multiples of 3 and 5

    • 2020-08-13
    • 来源:
    • editorials

    题意:给出一个整数 \(n = 1000\),求出 \(n\) 以下所有是 \(3\) 或者 \(5\) 的倍数的数之和。

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