输入一个不超过50位的大于零的十进制实数，如13.125，把它变为二进制输出1101.00100000......

#include <iostream>
#include <cstring>
using namespace std;
char character[105];
int index1=0;
int mid;
int numl[105],numr[105];
int resl[420],resr[420];
int main() {

    while(char in=getchar()){
        if(in==EOF)break;
        character[index1]=in;

        ++index1;
        if(in=='\n'){
            mid=0;
            bool hassmall= true;
            for(int i=0;i<index1-1;i++){
                if(character[i]=='.'){
                    mid=i;
                    break;
                }
            }
            if(mid==0){
                hassmall= false;
                mid=index1-1;
            }
            for(int i=0;i<mid;i++){
                numl[i]=character[mid-i-1]-48;
            }
            for(int i=mid+1;i<index1-1;i++){
                numr[i-mid-1]=character[i]-48;
            }
            int nowreal=0;
            while(1){
                if(numl[0]%2==1)resl[nowreal++]=1;
                else resl[nowreal++]=0;
//                cout<<numl[2]<<endl;
                numl[0]/=2;
                bool out=true;
                for (int i = 0; i < mid; ++i) {
                    if(numl[i]!=0){
                        out= false;
                        break;
                    }
                }
                if(out== true)break;
                for (int i = 1; i < mid; ++i) {
                    if(numl[i]%2==1)numl[i-1]+=5;
                    numl[i]/=2;
                }
            }
            int time=33;
            int nowsmall=0;
            if(hassmall)
                while(time--){
                    if(numr[0]*2>=10){
                        resr[nowsmall++]=1;
                        numr[0]=2*numr[0]-10;
                    } else{
                        resr[nowsmall++]=0;
                        numr[0]=2*numr[0];
                    }
                    for (int i = 1; i < index1-1-mid-1; ++i) {
                        if(numr[i]*2>=10){
                            numr[i-1]++;
                            numr[i]=numr[i]*2-10;
                        } else{
                            numr[i]*=2;
                        }
                    }
                }
            for (int i = nowreal-1; i >=0; --i) {
                printf("%d",resl[i]);
            }
            printf(".");
            for (int i = 0; i < 33; ++i) {
                printf("%d",resr[i]);
            }
            printf("\n");
            index1=0;
            memset(numl,0,sizeof(numl));
            memset(numr,0,sizeof(numr));
            memset(resl,0,sizeof(resl));
            memset(resr,0,sizeof(resr));
        }

    }
    return 0;
}