C++输出十六进制
#include<iostream> #include<iomanip> using namespace std; int main() { int a = 60; int b = 13; int c = a &b; cout << "a : hex "<<hex << a << endl; cout << "b : hex "<<hex << b << endl; cout << "c : hex "<<hex << c << endl; return 0; }
运行结果:
exbot@ubuntu:~/wangqinghe/C++/enum$ ./mybyte
a : hex 3c
b : hex d
c : hex c
C++输出二进制:
#include<iostream> #include<bitset> using namespace std; const int num = 8; //输出位数控制 int main() { int n_max = 42; cout << (bitset<num>)n_max << endl; return 0; }
运行结果:
exbot@ubuntu:~/wangqinghe/C++/enum$ ./binbyte
00101010
位计算:
#include<iostream> #include<bitset> using namespace std; const int num = 8; int main() { int a = 60; int b = 13; int c = 0; cout << "a = " << a << endl; cout << "b = " << b << endl; c = a & b; cout << "& AND" << endl; cout << "a : " << (bitset<num>)a << endl; cout << "b : " << (bitset<num>)b << endl; cout << "c : " << (bitset<num>)c << endl; c = a | b; cout << "| OR" << endl; cout << "a : " << (bitset<num>)a << endl; cout << "b : " << (bitset<num>)b << endl; cout << "c : " << (bitset<num>)c << endl; c = a ^ b; cout << "^ XOR" << endl; cout << "a : " << (bitset<num>)a << endl; cout << "b : " << (bitset<num>)b << endl; cout << "c : " << (bitset<num>)c << endl; c = (~a); cout << "~ Reverse" << endl; cout << "a = " << a << endl; cout << "c = " << c << endl; cout << "a : " << (bitset<num>)a << endl; cout << "c : " << (bitset<num>)c << endl; c = a << 2; cout << "<< shift left" << endl; cout << "a = " << a << endl; cout << "c = " << c << endl; cout << "a : " << (bitset<num>)a << endl; cout << "c : " << (bitset<num>)c << endl; c = a >> 2; cout << "<< shift right" << endl; cout << "a = " << a << endl; cout << "c = " << c << endl; cout << "a : " << (bitset<num>)a << endl; cout << "c : " << (bitset<num>)c << endl; return 0; }
与预算:有0 为0,双1为1
或运算:有1为1,双0 为0
异或运算:相同为0,不同为1
原文:https://www.cnblogs.com/wanghao-boke/p/11304991.html