(EXP) Random number guesser

#include <iostream>
#include <cstdlib>
using namespace std;

void find(int r, bool easier){
    bool found = false;
        int n;
        int count = 0;
        bool cheat=false;
        while(not found and cin >> n){
            if(n == 10000){
                cout << "You cheater huh?" << endl;
                cout << "Okay then... Answer is " << r << endl;
                cheat=true;
            }
            ++count;
            if(n == r) found=true;
            else if(easier){
                if(n<r) cout << "The answer is higher than that!" << endl;
                else cout << "The answer is lower than that!" << endl;
            }
        }
        if(found){
            cout << endl << "The number was " << r << "!" << endl;
            cout << "Total attempts: " << count << endl << endl;
            cout << "Continue?" << endl;
            if(cheat) cout << "You're a cheater anyway..." << endl;
        }
}

int main(){
    int r;
    int dif;
    string y;
    do{
        cout << "Choose your difficulty!" << endl;
        cout << "1: coinflip; 2: easy; 3: hard; 4: SHINY" << endl;
        cin >> dif;
        dif-=1;
        dif%=4;
        if(dif==0) r = rand() % 2;
        else if(dif==1) r = rand() % 10;
        else if(dif==2) r = rand() % 100;
        else r = rand() % 4096;
        bool easier;
        cout << "Easier mode? 1: yes; 0: no" << endl;
        int em;
        cin >> em;
        em%=2;
        if(em==1) easier=true;
        else easier=false;
        find(r, easier);
    } while(cin >> y and y!="no");
}