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https://codeforces.com/gym/101972/problem/J J. Even Numbers time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output Yousef loves playing with functions...

ACM: NBUT 1646 Internet of Lights and Switches - 二进制+map+vector NBUT 1646 Internet of Lights and Switches Time Limit:5000MS Memory Limit:65535KB 64bit IO Format: You are a fan of “Internet of ...