#include<iostream> #include<string>
#include<algorithm> using namespace std; int main(int agrc, char *agrv[]) { int iInPut = 0; while (cin >> iInPut) { string sBinary;//转换后的二进制存储为字符串,调用了默认构造函数初试化为空串 int temp = abs(iInPut); if (temp == 0) { //cout.width(11);//以11位的宽度右对齐输出 cout << " 0-->0\n"; continue; } while (temp) { if (temp & 0x01) { sBinary += '1'; } else { sBinary += '0'; } temp >>= 1;//对正数右移,高位补0 } reverse(sBinary.begin(), sBinary.end()); const char *cOutPut = sBinary.c_str(); cout.width(11); cout << iInPut << (iInPut > 0 ? "-->" : "-->-") << cOutPut << endl; } return 0; }
原文:http://blog.csdn.net/u011409995/article/details/34192317