//分解质因数
void c(int x){
  for(int i=2;i<=x;i++)
    while(x%i==0){
      cout<<i;
      x/=i;
      if(x-1)cout<<"*";
      }
}

//分解因数
void c(int x){
  for(int i=1;i<=x;i++)
    if(x%i==0){
      cout<<i;
      if(x!=i)cout<<",";
      }
}

//四舍五入
double p(double x,double c){//数，精度
	x=int(x/c*10);
	if(int(x)%10<5)x=int(x/10);
	else x=int(x/10+1);
	return x*c;
}

//旋转仪
#include<bits/stdc++.h>
#include<Windows.h>
#include<conio.h>
using namespace std;
void gotoxy(short x, short y) {
	COORD coord = {x, y};
	SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE),coord);
}
int main() {
	HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);
	CONSOLE_CURSOR_INFO CursorInfo;
	GetConsoleCursorInfo(handle, &CursorInfo);
	CursorInfo.bVisible = false;
	SetConsoleCursorInfo(handle, &CursorInfo);
	system("color F0");
	string a="林知行";
	int speed;
	printf("速度：\v");
	cin>>speed;
	for(;;){
		cls
		gotoxy(8,4);
		for(int i=0;i<a.size();i++)putchar(a[i]);
		sleep(speed);
		cls
		for(int i=0;i<a.size();i++){
			gotoxy(9,i+2);
			putchar(a[i]);
		}
		sleep(speed);
		cls
		gotoxy(8,4);
		for(int i=a.size();i--;)putchar(a[i]);
		sleep(speed);
		cls
		for(int i=a.size();i--;){
			gotoxy(9,a.size()+2-i);
			putchar(a[i]);
		}
		sleep(speed);
	}
}