100114G

无耻的暴力

#include<iostream>
#include<cstdio>
using namespace std;
int n;
int main()
{
    freopen("input.txt","r",stdin);
    freopen("output.txt","w",stdout);
    cin>>n;
    int l=;
    for(int i=;i<=l;i++)
    {
        if(((i*)^i)==n)
        {
            cout<<i*<<endl;
            return ;
        }
        if(((i*+)^i)==n)
        {
            cout<<i*+<<endl;
            return ;
        }
    }
    fclose(stdin);
    fclose(stdout);
    return ;
}