#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ cout<<" \\"<<endl; cout<<" \\\\\\"<<endl; cout<<"\\\\\\\\"<<endl; cout<<" \\\\\\"<<endl; cout<<" \\"<<endl; return 0; }