考试/比赛模板

考试模板：

易懂、方便！

#include<iostream>   #include<cstdio>   #include<cstdlib>   #include<algorithm>   #include<cstring>   #include<ctime>  #include<cmath>   #include<queue>   #include<stack>   #include<vector>   using namespace std;   inline int read() {     bool f=0;int x=0;char ch=getchar();     while(ch>'9'||ch<'0'){if(ch=='-')f^=1;ch=getchar();}     while(ch>='0'&&ch<='9'){x=(x<<3)+(x<<1)+ch-'0';ch=getchar();}     return f?-x:x; } inline void write(int x)       {           if(x<0)x=-x,putchar('-');           if(x>9)write(x/10);           putchar(x%10+48);       }    int main()   {       //freopen(".in","r",stdin);       //freopen(".out","w",stdout);    //write your own code!!!    return 0;   }