#include <iostream>
#include <algorithm>
#include <map>
#include <stack>
#include <queue>
#include <set>
#include <vector>
#include <cstdlib>
#include <cmath>
#include <string>
#include <cstdio>
#include <cstring>
#include <assert.h>
#include <functional>
#define lowbit(x) (x&(-x))
#define ll long long
#define ull unsigned long long
#define max(a,b) (a>b?a:b)
#define min(a,b) (a>b?b:a)
#define PI acos(-1.0)
#define fir first
#define sec second
#define SZ(x) (x.size())
#define inf 0x3f3f3f3f
#define PB push_back
#define MP make_pair
#define all(x) (x).begin(),(x).end()
#define PII pair<int,int>
#define E 2.7182818284590452353602874713527
using namespace std;
/**********************************************Head-----Template****************************************/
bool Finish_read;
template<class T>inline void read(T &x){Finish_read=0;x=0;int f=1;char ch=getchar();while(!isdigit(ch)){if(ch=='-')f=-1;if(ch==EOF)return;ch=getchar();}while(isdigit(ch))x=x*10+ch-'0',ch=getchar();x*=f;Finish_read=1;}
template<class T>inline void prin
小米 OJ 编程比赛 03 月常规赛
最新推荐文章于 2019-11-24 11:40:36 发布