C + + Std::bitset

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;
}

0:0000000000000000000000000000000000000000000000000000000000000001,1
1:0000000000000000000000000000000000000000000000000000000000000010,2
2:0000000000000000000000000000000000000000000000000000000000000100,4
3:0000000000000000000000000000000000000000000000000000000000001000,8
4:0000000000000000000000000000000000000000000000000000000000010000,16
5:0000000000000000000000000000000000000000000000000000000000100000,32
6:0000000000000000000000000000000000000000000000000000000001000000,64
7:0000000000000000000000000000000000000000000000000000000010000000,128
8:0000000000000000000000000000000000000000000000000000000100000000,256
9:0000000000000000000000000000000000000000000000000000001000000000,512
10:0000000000000000000000000000000000000000000000000000010000000000,1024
11:0000000000000000000000000000000000000000000000000000100000000000,2048
12:0000000000000000000000000000000000000000000000000001000000000000,4096
13:0000000000000000000000000000000000000000000000000010000000000000,8192
14:0000000000000000000000000000000000000000000000000100000000000000,16384
15:0000000000000000000000000000000000000000000000001000000000000000,32768
16:0000000000000000000000000000000000000000000000010000000000000000,65536
17:0000000000000000000000000000000000000000000000100000000000000000,131072
18:0000000000000000000000000000000000000000000001000000000000000000,262144
19:0000000000000000000000000000000000000000000010000000000000000000,524288
20:0000000000000000000000000000000000000000000100000000000000000000,1048576
21:0000000000000000000000000000000000000000001000000000000000000000,2097152
22:0000000000000000000000000000000000000000010000000000000000000000,4194304
23:0000000000000000000000000000000000000000100000000000000000000000,8388608
24:0000000000000000000000000000000000000001000000000000000000000000,16777216
25:0000000000000000000000000000000000000010000000000000000000000000,33554432
26:0000000000000000000000000000000000000100000000000000000000000000,67108864
27:0000000000000000000000000000000000001000000000000000000000000000,134217728
28:0000000000000000000000000000000000010000000000000000000000000000,268435456
29:0000000000000000000000000000000000100000000000000000000000000000,536870912
30:0000000000000000000000000000000001000000000000000000000000000000,1073741824
31:0000000000000000000000000000000010000000000000000000000000000000,2147483648
32:0000000000000000000000000000000100000000000000000000000000000000,4294967296
33:0000000000000000000000000000001000000000000000000000000000000000,8589934592
34:0000000000000000000000000000010000000000000000000000000000000000,17179869184
35:0000000000000000000000000000100000000000000000000000000000000000,34359738368
36:0000000000000000000000000001000000000000000000000000000000000000,68719476736
37:0000000000000000000000000010000000000000000000000000000000000000,137438953472
38:0000000000000000000000000100000000000000000000000000000000000000,274877906944
39:0000000000000000000000001000000000000000000000000000000000000000,549755813888
40:0000000000000000000000010000000000000000000000000000000000000000,1099511627776
41:0000000000000000000000100000000000000000000000000000000000000000,2199023255552
42:0000000000000000000001000000000000000000000000000000000000000000,4398046511104
43:0000000000000000000010000000000000000000000000000000000000000000,8796093022208
44:0000000000000000000100000000000000000000000000000000000000000000,17592186044416
45:0000000000000000001000000000000000000000000000000000000000000000,35184372088832
46:0000000000000000010000000000000000000000000000000000000000000000,70368744177664
47:0000000000000000100000000000000000000000000000000000000000000000,140737488355328
48:0000000000000001000000000000000000000000000000000000000000000000,281474976710656
49:0000000000000010000000000000000000000000000000000000000000000000,562949953421312
50:0000000000000100000000000000000000000000000000000000000000000000,1125899906842624
51:0000000000001000000000000000000000000000000000000000000000000000,2251799813685248
52:0000000000010000000000000000000000000000000000000000000000000000,4503599627370496
53:0000000000100000000000000000000000000000000000000000000000000000,9007199254740992
54:0000000001000000000000000000000000000000000000000000000000000000,18014398509481984
55:0000000010000000000000000000000000000000000000000000000000000000,36028797018963968
56:0000000100000000000000000000000000000000000000000000000000000000,72057594037927936
57:0000001000000000000000000000000000000000000000000000000000000000,144115188075855872
58:0000010000000000000000000000000000000000000000000000000000000000,288230376151711744
59:0000100000000000000000000000000000000000000000000000000000000000,576460752303423488
60:0001000000000000000000000000000000000000000000000000000000000000,1152921504606846976
61:0010000000000000000000000000000000000000000000000000000000000000,2305843009213693952
62:0100000000000000000000000000000000000000000000000000000000000000,4611686018427387904
63:1000000000000000000000000000000000000000000000000000000000000000,9223372036854775808

C + + Std::bitset