Problema Spectacolelor V2

#include <iostream>
using namespace std;
struct timp{int h,m,x;};
struct {timp s,f;int cod;}v[101];
int n,i,j,sol[101],k;
void greedy()
{
    k=1;
    sol[1]=1;
    int j=1;
    for(int i=1;i<=n;i++)
        if(v[i].s.x>=v[j].f.x)
        {
            sol[++k]=i;
            j=i;
        }
}
int main()
{
    //citire
    cin>>n;
    for(i=1;i<=n;i++)
    {
        v[i].cod=i;
        cin>>v[i].s.h>>v[i].s.m;
        v[i].s.x=v[i].s.h*60+v[i].s.m;
        cin>>v[i].f.h>>v[i].f.m;
        v[i].f.x=v[i].f.h*60+v[i].f.m;
    }
    //sortare
    for(i=1;i<n;i++)
        for(j=i+1;j<=n;j++)
            if(v[i].f.x>v[j].f.x) swap(v[i],v[j]);
    greedy();
    //afisare
    for(i=1;i<=k;i++)
        cout<<endl<<v[sol[i]].cod<<' '<<v[sol[i]].s.h<<' '<<v[sol[i]].s.m<<" - "
        <<v[sol[i]].f.h<<' '<<v[sol[i]].f.m;
    return 0;
}