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📜  检查第 j 个对象是否在子集中 - C++ 代码示例

📅  最后修改于: 2022-03-11 14:44:50.561000             🧑  作者: Mango

代码示例1
S = A & (1 << j)
If S = 0, then the j-th item of the set is off.
If S != 0 (to be precise, T = (1 << j)), then the j-th item of the set is on.