http://blog.csdn.net/qll125596718/article/details/6901935#include <iostream>#include <stdint.h>#include <bitset>using namespace std; int main() { for(uint64_t i=0; i<64; i++){ bitset<64> bs; //uint64_t j = (uint64_t)1 << i; bs.set(i); cout << i << ": " << bs << "," << bs.to_ulong() << endl; } return 0;} 0: 0000000000000000000000000000000000000000000000000000000000000001,11: 0000000000000000000000000000000000000000000000000000000000000010,22: 0000000000000000000000000000000000000000000000000000000000000100,43: 0000000000000000000000000000000000000000000000000000000000001000,84: 0000000000000000000000000000000000000000000000000000000000010000,165: 0000000000000000000000000000000000000000000000000000000000100000,326: 0000000000000000000000000000000000000000000000000000000001000000,647: 0000000000000000000000000000000000000000000000000000000010000000,1288: 0000000000000000000000000000000000000000000000000000000100000000,2569: 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时间： 2024-10-26 04:41:51