超级外挂输入法

/*** @author nubix ***/

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
using namespace std;

#define MAX_LINE 256*256
char __line[MAX_LINE];
char *p = NULL;
char tab[256] = {0};

char * _(){
	static int k = 0;
	if(k == 0){
		memset(tab,-1,sizeof(tab));
		for(int i=0;i<10;tab['0'+i]=i,i++);
		tab['-'] = tab['+'] = +1;
		k++;	
	}
	return p = gets(__line);
}

/***
	* 假设输入绝对正确
	* @return 0 || 1
	*/
int nextInt(int &r){

	r = 0;
	int m = 0;

	for(p && *p ? (0):(_());p;_()){
		for(;*p && tab[*p] < 0;p++);
		if(*p){

			for((*p-'-') ? ((*p-'+') ? (m=1,p) : (m=1,p++)):(m=-1,r=0,p++);
						*p && tab[*p]>=0;
						p++) if(tab[*p]>=0) r = r * 10 + tab[*p];

			if(!(*p==0 && m==0)){
				r = r * m;
				return 1;
			}
		}
	}
	return 0;
}

int main(){
	int r;
	while(nextInt(r)){
			printf("%d\n",r);
	}
}