更新一下缺省源

 1 #include<iostream>
 2 #include<cstdio>
 3 #include<cmath>
 4 #include<algorithm>
 5 #include<stack>
 6 #include<queue>
 7 #include<cstring>
 8 #define PAU putchar(‘ ‘)
 9 #define ENT putchar(‘\n‘)
10 using namespace std;
11 inline int read(){
12     int x=0,sig=1;char ch=getchar();
13     for(;!isdigit(ch);ch=getchar())if(ch==‘-‘)sig=0;
14     for(;isdigit(ch);ch=getchar())x=10*x+ch-‘0‘;
15     return sig?x:-x;
16 }
17 inline void write(int x){
18     if(x==0){putchar(‘0‘);return;}if(x<0)putchar(‘-‘),x=-x;
19     int len=0,buf[15];while(x)buf[len++]=x%10,x/=10;
20     for(int i=len-1;i>=0;i--)putchar(buf[i]+‘0‘);return;
21 }
22 int main(){
23     return;
24 }