星星之火OIer：码代码前的前置

#include<cmath>
#include<ctime>
#include<queue>
#include<stack>
#include<vector>
#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<iostream>
#include<algorithm>
using namespace std;
#define it int
#define ll long long
#define il inline
#define bl bool
#define db double
#define rt return
#define vd void
#define ch char
#define wi while
#define br break
#define gc getchar
#define pc putchar
#define ct continue
#define fr for
#define cn const
il vd read(it &x) {
    x=0;
    it f=1;
    ch s=gc();
    wi(s<'0'||s>'9') {
        if(s=='-')
            f=-1;
        s=gc();
    }
    wi(s>='0'&&s<='9') {
        x=x*10+s-48;
        s=gc();
    }
    x*=f;
}
il vd pr(it x) {
    if(x<0) {
        pc('-');
        x=-x;
    }
    if(x>9)
        pr(x/10);
    pc(x%10+48);
}
it main() {
}

打代码前copy一下，妈妈再也不用担心我的手速不够了(*^__^*)嘻嘻 ……