C++輸出十六進制

#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; }

運行結果：

exbot@ubuntu:~/wangqinghe/C++/enum$ ./mybyte

a : hex 3c

b : hex d

c : hex c

C++輸出二進制：

#include<iostream> #include<bitset> using namespace std; const int num = 8; //輸出位數控制 int main() {int n_max = 42;cout << (bitset<num>)n_max << endl;return 0; }

運行結果：

exbot@ubuntu:~/wangqinghe/C++/enum$ ./binbyte

00101010

位計算：

#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; }

與預算：有0 為0，雙1為1

或運算：有1為1，雙0 為0

異或運算：相同為0，不同為1

轉載于:https://www.cnblogs.com/wanghao-boke/p/11304991.html

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