qfedu-basic-level/day4/d2.cpp

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#include <bitset> // 用于使用bitset
#include <iostream>
using namespace std;
int main()
{
cout << "12 = " << 12 << endl; // 结果: 12
cout << "ob01001 = " << bitset<5>(0b01001) << endl; // 结果: 9, bitset<8>用于2进制形式输出
cout << "062 = " << 062 << endl; // 结果: 50
cout << "062 = " << oct << 062 << endl; // 结果: 50, oct 用于8进制形式输出
cout << "0x4f = " << hex << 0x4f << endl; // 结果: 79hex 用于16进制形式输出
}