#include<iostream>
using namespace std;

struct bz{
    int seb;
    bz* next;
};

class job{
    bz* p;
public:
    job(){
        p=new bz;//p到头结点
        int t;//每个设备运用的时间
        int k;
        bool m=true;
        int s;//表示设备
        bz *q,*r;
        r=p;//初始化r
        while(m){   
            cout<<"输入设备，0表示CPU，1表示I1,2表示I2"<<'\n';
            cin>>s;
            cout<<'\n'<<"输入运用此设备的时间"<<'\n';
            cin>>t;cout<<'\n';
        
            k=t/10;
            for(int i=0;i<k;i++){//k为建立的接点个数
            q=new bz;//重新申请空间
            q->seb=s;
            r->next=q;
                r=q;
            }//for循环后r到最后一个结点
            cout<<"若结束，输入false";
            cin>>m;//m为false则结束
        }//while
    }//job

    ~job(){
        bz* q;
        p=this->p;
        while(p){
            q=p;
            p=p->next;
            delete q;
        }//while
    }//job
    bz* getp(){
        return p;
    }//getp
};//job

void main(){
    job job1;
    cout<<"build1"<<'\n';
    job job2,job3;
    int sum=0;//记录运行总时间
    int kx=0;//记录CPU空闲时间
    bz *a,*b,*c;
    a=job1.getp()->next;
    b=job2.getp()->next;
    c=job3.getp()->next;
    while(a||b||c){
        if(a)a=a->next;
        if(b->seb!=a->seb&&b)b=b->next;
        if(c->seb!=b->seb&&c->seb!=a->seb&&c)c=c->next;
        sum+=10;
        if(a->seb&&b->seb&&c->seb)kx+=10;
    }//while
    cout<<"运行总时间为:"<<sum<<'\n';
    cout<<"CPU运行的概率为"<<(sum-kx)/sum;
}

死循环了