刷题记录--UVa213 Message Decoding

#include<cstdio>
//#define LOCAL
#include<cstring>
#include<iostream>
using namespace std;

int code[8][1<<8];

int readchar(void){
    for(;;){
    int ch=getchar();
    if(ch!=‘\n‘&&ch!=‘\r‘)return ch;
    }
}

int readheader(void){
    memset(code,0,sizeof(code));
    code[1][0]=readchar();
    for(int len=2;len<8;len++){
        for(int i=0;i<(1<<len)-1;i++){
            int ch=getchar();
            if(ch==EOF)return 0;
        //    cout<<"debug"<<endl;
            if(ch==‘\n‘||ch==‘\r‘)return 1;
            code[len][i]=ch;
        }    
    }
}

int readint(int x){
    int num=0;
    while(x--){
        num=2*num+readchar()-‘0‘;
    }
    return num;
}


int main(){
//    freopen("input.txt","r",stdin);
    #ifdef LOCAL
    freopen("input.txt","r",stdin);
    #endif
    while(readheader()){
//        cout<<"debug"<<endl;
        for(;;){
            int len=readint(3);
            if(len==0)break;
//            while(int i=readint(len)!=(1<<len)-1){  //while里不能定义变量，我第一次是因为这个错了 
//                putchar(code[len][i]);
//            }        
            for(;;){
                int v=readint(len);
                if(v==(1<<len)-1)break;
//                cout<<"debug"<<endl;
                putchar(code[len][v]);
            }
        }
        putchar(‘\n‘);
    }
    return 0;
}