「解题报告」遇到困难睡大觉

这是一篇缺省源存放文章，如果你真的需要该论文题的解题报告请到这里来：

https://www.cnblogs.com/yspm/p/15923532.html

Description

如果你遇到了困难，你会怎么做呢？

Solution

睡大觉

Code

#include<bits/stdc++.h>
using namespace std;
#define pii pair<int,int>
#define ll long long
#define sec second
#define fir first
#define int long long
#define ull unsigned long long
#define pb push_back
#define rep(i,a,b) for(int i=a;i<=b;++i) 
#define Down(i,a,b) for(int i=a;i>=b;--i)
template<typename T>inline void ckmax(T &x,T y){x=x<y?y:x; return ;}
template<typename T>inline void ckmin(T &x,T y){x=x<y?x:y; return ;}
inline char Getalpha(){char k=getchar(); while(!isalpha(k)) k=getchar(); return k;}
namespace FastIO{
    template<typename T=int>inline T read(){
        T res=0,f=1; char k;
        while(!isdigit(k=getchar())) if(k=='-') f=-1;
        while(isdigit(k)) res=res*10+k-'0',k=getchar();
        return res*f;
    }
    char OPUT[100];
    template<typename T>inline void print(T x){
        if(x<0) putchar('-'),x=-x; 
        int cnt=0; do OPUT[++cnt]=x%10,x/=10; while(x); 
        Down(i,cnt,1) putchar(OPUT[i]+'0'); putchar(' '); return ;
    }
    #define read() read<int>()
}using namespace FastIO;
inline int gcd(int x,int y){return (!y)?x:gcd(y,x%y);}
inline int lcm(int x,int y){return x/gcd(x,y)*y;}
inline void exgcd(int a,int b,int &x,int &y){
    if(!b) return x=1,y=0,void(); exgcd(b,a%b,x,y);
    int k=x; x=y; y=k-(a/b)*x;
    return ;
}
const int mod=998244353,inf=0x3f3f3f3f3f3f3f3f;
inline int add(int x,int y,int Mod=mod){return x+y>=Mod?x+y-Mod:x+y;}
inline int del(int x,int y,int Mod=mod){return x-y<0?x-y+Mod:x-y;}
inline int mul(int x,int y,int Mod=mod){return x*y-x*y/Mod*Mod;}
inline void ckadd(int &x,int y,int Mod=mod){x=x+y>=Mod?x+y-Mod:x+y;}
inline void ckdel(int &x,int y,int Mod=mod){x=x-y<0?x-y+Mod:x-y;}
inline void ckmul(int &x,int y,int Mod=mod){x=x*y-x*y/Mod*Mod;}
inline int ksm(int x,int y,int Mod=mod){int res=1; for(;y;y>>=1,ckmul(x,x,Mod)) if(y&1) ckmul(res,x,Mod); return res;}
inline void approx(int val,int Mod=mod,int lim=1e5){int x=val,y=Mod,a=1,b=0; while(x>lim){swap(x,y); swap(a,b); a-=x/y*b; x%=y;} cout<<x<<"/"<<a<<endl; return ;}
const double pi=acos(-1);
struct Complex{
    double x,y;
    Complex operator +(const Complex &a)const{return (Complex){x+a.x,y+a.y};}
    Complex operator -(const Complex &a)const{return (Complex){x-a.x,y-a.y};}
    Complex operator *(const Complex &a)const{return (Complex){x*a.x-y*a.y,x*a.y+y*a.x};}
};
inline pair<Complex,Complex> square_root(Complex a){
    double len=sqrt(a.x*a.x+a.y*a.y); len=sqrt(len);
    double ang=atan2(a.y,a.x),a1=ang/2+pi,a2=ang/2; if(a2<0) a2+=2*pi; 
    return {{cos(a1)*len,sin(a1)*len},{cos(a2)*len,sin(a2)*len}};
}
inline double cross(Complex a,Complex b){return a.x*b.y-a.y*b.x;}
struct fractor{
    int x,y; fractor(){}
    fractor(int xx,int yy){x=xx; y=yy; return ;}
    fractor operator+(const fractor &a)const{
        int mu=lcm(y,a.y),zi=x*(mu/y)+a.x*(mu/a.y);
        int g=gcd(mu,zi); return fractor(zi/g,mu/g);
    }
    fractor operator*(const fractor &a)const{
        int gg=gcd(y,a.x)*gcd(x,a.y);
        return fractor(x*a.x/gg,y*a.y/gg);
    }
    bool operator <(const fractor &a)const{
        int da=x/y,db=a.x/a.y; if(da^db) return da<db;
        fractor t1=fractor(x-y*da,y),t2=fractor(a.x-a.y*db,a.y);
        return t1.x*t2.y<t2.x*t1.y;
    }
};
mt19937 Rand((unsigned)(clock()*100000));
inline int random(int x){return Rand()%x+1;}
inline int random(int l,int r){return Rand()%(r-l+1)+l;}
namespace Graph_Maker{
	set<pair<int,int> >st;
	inline void insert(int x,int y){
		if(x>y) swap(x,y); st.insert({x,y}); return ;
	}
	inline bool check(int x,int y){
		if(x>y) swap(x,y); if(st.count({x,y})) return 0;
		return 1;
	}
	inline void work(int n,int m){
		print(n); print(m); puts("");
		rep(i,1,n-1){
			int x=random(i),y=i+1; 
			print(x); print(y); puts("");
			insert(x,y);
		}
		rep(i,n,m){
			int x=random(1,n-1),y=random(x+1,n);
			while(!check(x,y)) x=random(1,n-1),y=random(x+1,n);
			insert(x,y); print(x); print(y); puts(""); 
		} return ;
	}
}
signed main(){
    system("g++ my.cpp -o my.out -O2 -lm -Wall"); 
    puts("My Code Compilation Finished");
    system("g++ std.cpp -o std.out -O2 -lm -Wall"); 
    puts("Std Code Compilation Finished");
    system("g++ mkd.cpp -o mkd.out -O2 -lm -Wall"); 
    puts("Data Maker Compilation Finished");
    for(int TestCaseIdx=1;;){
        system("./mkd.out>1.in"); 
        system("./my.out<1.in>my.ans"); 
        system("./std.out<1.in>std.ans");
        if(system("diff my.ans std.ans")) puts("Wrong Answer"),exit(0);
        else printf("遇到困难睡大觉! for %lld times \n",++TestCaseIdx);
    } return 0;
}
/*
更好用的 NOI LInux?

Worrying for no button to establish a new file?

---

xdg-user-dirs-update --set TEMPLATES ~/Templates/

killall nautilus

---

*/

Review

遇到困难睡大觉！