[是模板哦] 快速读入

 1 #include<cstdio>
 2 using namespace std;
 3  
 4 inline int read1(){//
 5     int f=1,x=0;
 6     char s=getchar();
 7     while(s<‘0‘ || s>‘9‘){
 8         if(s==‘-‘)
 9             f=-1;
10         s=getchar();
11     }
12     while(s>=‘0‘ && s<=‘9‘){
13         x=x*10+s-‘0‘;
14         s=getchar();
15     }
16     return x*f;
17 }
18 
19 void read2(int &x){
20     int f=1;
21     x=0;
22     char s=getchar();
23     while(s<‘0‘ || s>‘9‘){
24         if(s==‘-‘)
25             f=-1;
26         s=getchar();
27     }
28     while(s>=‘0‘ && s<=‘9‘){
29         x=x*10+s-‘0‘;
30         s=getchar();
31     }
32     x*=f;
33 }
34 
35 int main(){
36     int t1,t2;
37     t1=read1();
38     read2(t2);
39     return 0;
40 }