ALGO LAB 2(SORT)

#include <iostream>
using namespace std;

struct laptop
{
    int l;
    int c;
    float uc;
};
int main()
{
     int i=0,j=0,k=0,m=0;
    struct laptop arr[5],temp;
    for(; i<5,j<5; i++,j++)
    {
        cout<<"L : ";
        cin>>arr[j].l;
        cout<<"C : ";
        cin>>arr[i].c;
    }
     i=0;
     j=0;
    for(; k<5; k++)
    {
        arr[k].uc= (float)arr[i].c/arr[j].l;
        i++;
        j++;
    }

     cout<<endl<<"     L"<<"          "<<"  C"<<"          "<<"   UC"<<endl;
    for(; m<5; m++)
    {
        cout<<"     "<<arr[m].l<<"          "<<arr[m].c<<"          "<<arr[m].uc<<endl;
    }
    cout<<endl;
    /////////////////////////////////////////////////////////
    ////////////////////////////////////////////////////////
    ///////////////////////////////////////////////////////
    int input=m,i1=0,j1;
    for(;i1<input;i1++)
    {
        for(j1=i1+1;j1<input;j1++)
        {
            if(arr[i1].uc>arr[j1].uc)
            {
                temp=arr[i1];
                arr[i1]=arr[j1];
                arr[j1]=temp;
            }
        }
    }
   cout<<endl<<endl<<"After Shorting : ";
    cout<<endl<<"     L"<<"          "<<"  C"<<"          "<<"   UC"<<endl;
    int g=0;
    for(; g<5; g++)
    {
        cout<<"     "<<arr[g].l<<"          "<<arr[g].c<<"          "<<arr[g].uc<<endl;
    }
    cout<<endl;
    int capa,u=0,store;
    int item=g;
    float ans=0;
    cout<<"How many laptop you want to buy : ";
    cin>>capa;
    store=capa;
    while (capa>0 && u<item)
    {
        if(capa>=arr[u].l)
        {
            ans+=(float)arr[u].c;
            capa-=arr[u].l;
        }
        else
        {
            ans+=capa*(float)arr[u].uc;
            capa=0;
        }
        u++;
    }
    if(capa==0)
    {
        cout<<endl<<"Minimum cost to buy"<<" "<<store<<" laptop : "<<ans<<endl;
    }
    else
    {
        cout<<"Insufficient"<<endl;
    }

    return 0;
}