[CSP-J 2023] 小苹果（apple）-----------用数组

#include <iostream>
using namespace std;
int main(){
    int n,m;
    cin>>n>>m;
    int g=n,t=0,li,s[n+1],b;
    for(int i=1;i<=n;i++){
        s[i]=i;
    }
    while(g){
        t+=1,b=0,li=0,g-=(g+2)/3;
        cout<<"第"<<t<<"次，我拿了编号为";
        for(int i=1;i<=n;i++){
            if(s[i]!=0){
                li++;
                if((li-1)%3==0){
                    s[i]=0;
                    cout<<i<<",";
                    if(m==i)b=1;
                }
            }
        }
        cout<<"\b";
        cout<<"的苹果,还剩"<<g<<"个";
        if(b){
            cout<<",并且我这次拿到了编号为"<<m<<"的苹果！";
        }
        cout<<endl;
    }
    return 0;
}