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顶

Posted by yygy at 2014-07-02 16:28:53
In Reply To:快速读入 Posted by:yygy at 2014-07-01 18:49:23 
> bool dig(char x){return x>='0'&&x<='9';}
> int getval()
> {
> 	int ret=0,sign=1;
> 	char c;
> 	while(!dig(c=getchar())&&c!='-');
> 	if(c=='-')sign=-1;
> 	else ret=c-'0';
> 	while(dig(c=getchar()))ret=ret*10+c-'0';
> 	return ret*sign;
> }
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