bitset求一的位数 count
时间: 2023-10-20 18:07:57 浏览: 45
要计算bitset中为1的位数,可以使用`count()`函数。这个函数会返回bitset中为1的位数。下面是示例代码:
```cpp
#include <iostream>
#include <bitset>
int main() {
std::bitset<16> myBitset(0xfa2);
int count = myBitset.count();
std::cout << "Number of 1 bits in myBitset: " << count << std::endl;
return 0;
}
```
在这个示例中,我们创建了一个16位的bitset,然后使用`count()`函数计算其中为1的位数,并将结果输出到控制台。可以根据需要修改bitset的大小和初始化值。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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