多机调度问题

发布于:2024-06-29 ⋅ 阅读:(24) ⋅ 点赞:(0)

#include<iostream>
#include<string>
using namespace std;
struct work
{
    int time;
    int number;
};
int setwork0(int m,int n,int a[],struct work w[])
{
    int maxtime=0;
    for(int i=1; i<=m; i++)
    {
        cout<<i<<"号设备处理作业"<<w[i].number<<endl;
        a[i]=w[i].time;
        if(maxtime<a[i])
            maxtime=a[i];
    }
    return maxtime;
}
int setwork1(int m,int n,int a[],struct work w[])
{
    int maxtime=0;
    for(int i=1; i<=n; i++)
    {
        a[i]=w[i].time;
        cout<<i<<"号设备处理作业"<<w[i].number<<endl;
    }
    int t=n+1;
    while(t<=m)
    {
        int min0=n;
        for(int i=1; i<=n; i++)
        {
            if(a[min0]>a[i])
            {
                min0=i;
            }
        }
        a[min0]+=w[t].time;
        cout<<min0<<"号设备处理作业"<<w[t].number<<endl;
        t++;
    }

    for(int i=1; i<=n; i++)
    {
        if(maxtime<a[i])
            maxtime=a[i];
    }
    return maxtime;
}
int main()
{
    int n;
    cout<<"共有n个设备:";
    cin>>n;
    int m;
    cout<<"共有m个作业:";
    cin>>m;
    struct work w[m+1];
    cout<<"输入处理时间:";
    for(int i=1; i<=m; i++)
    {
        w[i].number=i;
        cin>>w[i].time;
    }

    int a[n+12];
    int maxtime=0;
    if(m<=n)
        maxtime=setwork0(m,n,a,w);
    else
    {
        for(int i=1; i<=m; i++)
        {
            for(int j=i; j<=m; j++)
            {
                if(w[i].time<w[j].time)
                {
                    struct work t=w[i];
                    w[i]=w[j];
                    w[j]=t;
                }

            }
        }
        for(int i=1; i<=m; i++)
        {
            cout<<w[i].number<<"号作业的处理时间:"<<w[i].time<<endl;
        }
        maxtime=setwork1(m,n,a,w);
    }

    cout<<"最长处理时间:"<<maxtime;
    return 0;
}