HDU 1730 漢字

#include<iostream>#include<cstdio>#include<string>using namespace std;bool flag ;char a[100000];int main(){    while(gets(a)){        int len=strlen(a);        flag = true;        for(int i=0;i<len;i++){            string temp;            temp = temp + a[i] + a[i+1]; /////////特殊處理             if(temp=="“"||temp=="”") flag=!flag;            if(a[i]=='.') printf("。");            else if(a[i]==',') printf("，");            else if(a[i]=='?') printf("？");            else if(a[i]=='!') printf("！");            else if(a[i]=='<' && a[i+1]=='<'){ printf("《"); i++;}            else if(a[i]=='>' && a[i+1]=='>'){ printf("》"); i++;}             else if(a[i]=='"'){              //  cout<<flag<<endl;                if(flag) printf("“");                else printf("”");                flag=!flag; /////位元運算，0變1,1變0               //  cout<<flag<<endl;            }            else printf("%c",a[i]);        }        printf("\n");    }}