King_fxb

2H2H_2H2​+O2O_2O2​=点燃=H2OH_2OH2​O

#include <bits/stdc++.h>using namespace std;int main(){ //init(); long long* fac=new long long[20]; fac[0]=fac[1]=1; for(int i=2;i<=20;i++) fac[i]=fac[i-1]*i;// for(int i=0;i<=20...

#include <bits/stdc++.h>using namespace std;struct node{ int Number; bool operator==(node b)const{ return this->Number==b.Number; } bool operator!=(node b)const{ return ...

康托展开笔记namespace cantor{ long long* fac=new long long[20]; fac[0]=fac[1]=1; for(int i=2;i<=20;i++) fac[i]=fac[i-1]*i; template<typename typeofarray> inline long long cantor(typeofarra...

项目Value电脑$1600手机$12导管$1