自己的缺省(sheng)源

 1 #include <cstdio>
 2 #include <iostream>
 3 #include <algorithm>
 4 #include <cstring>
 5 #include <cmath>
 6 #define REP(i, s, n) for(int i = s; i <= n; i ++)
 7 #define RAP(i, n, s) for(int i = n; i >= s; i --)
 8 using namespace std;
 9 inline void read(int &x){
10     x = 0; int sig = 1; char ch = getchar();
11     while(!isdigit(ch)) { if(ch == ‘-‘) sig = -1; ch = getchar(); }
12     while(isdigit(ch)) x = 10 * x + ch - ‘0‘, ch = getchar();
13     x *= sig; return ;
14 }
15 inline void write(int x){
16     if(x < 0) putchar(‘-‘), x = -x;
17     int len = 0, buf[20];
18     while(x) buf[++ len] = x % 10, x /= 10;
19     RAP(i, len, 0) putchar(buf[i] + ‘0‘); return ;
20 }
21 void init(){
22
23     return ;
24 }
25 void work(){
26
27     return ;
28 }
29 void print(){
30
31     return ;
32 }
33 int main(){
34     init();
35     work();
36     print();
37     return 0;
38 }