#include<iostream>
using namespace std;

struct sjf{
    int burst, arrival, id, completion;
    bool active;
};
sjf meh[30];

class lesgo{
public:
    int n;

    void sjfIn(){
        cout<<"\nEnter number of processes: ";
        cin>>n;
        for(int i = 0; i < n; i++){
            cout<<"\nEnter arrival time of P"<<i<<": ";
            cin>>meh[i].arrival;
            cout<<"\nEnter burst time of P"<<i<<": ";
            cin>>meh[i].burst;
            meh[i].id = i;
            meh[i].active = false;
        }
        cout<<"\n  | Arrival | Burst\n";
        for(int j = 0; j < n; j++) {
            cout<<"P"<<j<<"| "<<meh[j].arrival<<"       | "<<meh[j].burst<<"\n";
        }
    }

    void sjfProcess(){
        int k = 0;
        int completed = 0;
        cout<<"\nSequence of processes is: ";
        while(completed < n){
            int burst1 = 999;
            int iddd = -1;
            for(int i = 0; i < n; i++){
                if(meh[i].arrival <= k && meh[i].burst > 0){
                    if(meh[i].burst < burst1){
                        burst1 = meh[i].burst;
                        iddd = i;
                    }
                }
            }
            if(iddd != -1){
                cout<<"P"<<iddd<<" ";
                meh[iddd].burst--;
                k++;
                if(meh[iddd].burst == 0){
                    meh[iddd].completion = k;
                    completed++;
                }
            } else{
                k++;
            }
        }
    }

    void completion()
    {
        cout<<"\n\n  | Completion time\n";
        for(int j = 0; j < n; j++) {
            cout<<"P"<<j<<"| "<<meh[j].completion<<"\n";
        }
    }
};

int main(){
    lesgo obj;
    obj.sjfIn();
    obj.sjfProcess();
    obj.completion();
    return 0;
}