#include<iostream>using namespace std;string Str2Bin (char* str){int change,k=0,mask=8;char bit;char stack[100]={0};for (short i = 0; i <strlen(str); i++){        for(int j=0;j<4;j++)        {            stack[k++]=(mask&(str[i]-48))?49:48;            mask>>=1;         }             mask=8;    }return(stack);}int main(int argc,char *argv[]){     char str[8]="0123456";     cout<<"你输入的是:"<<str<<endl;     cout<<"转换后是:"<<Str2Bin(str)<<endl;     system("PAUSE");     return 0;}

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