cpp的stl的位标识

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cpp的stl的位标识

我们将使用bitset和vector,用他们表示位和位标识信息

////  main.cpp//  use_stl_bit////  Created by bikang on 16/11/1.//  Copyright (c) 2016年 bikang. All rights reserved.//#include <iostream>#include <string>#include <vector>#include <bitset>using namespace std;void tbitset();void tvectorBool();int main(int argc, const char * argv[]) {    //tbitset();    tvectorBool();}void tvectorBool(){    vector<bool> vec1(10);    vector<bool> vec2(10,true);    vector<bool> vec3(vec2);    vec1[0] = true;    vec1[1] = false;    vec1[2] = true;    vec1.push_back(true);    for(size_t i=0;i<vec1.size();++i){        cout << vec1[i];    }    cout << endl;    //取反    vec1.flip();    for(size_t i=0;i<vec1.size();++i){        cout << vec1[i];    }}void tbitset(){    cout << "tbitset" ;    //bitset的初始化    bitset<4> fb;    cout << fb <<endl;    bitset<5> fb5(string("10001"));    cout << fb5 <<endl;    bitset<8> fb255(255);    cout << fb255 <<endl;    //常用操作符  输出和输入<< >>    // & | ^  ~ >>=  <<= []    cout << fb255.count()<<endl;    //取反    cout << fb255.flip() << endl;    fb5.set(1,1);    cout << fb5 <<endl;    bitset<5> fb6(string("11001"));    cout << (fb5 & fb6) << endl;}

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