Cod sursa(job #2112799)

Utilizator Mihai145Oprea Mihai Adrian Mihai145 Data 23 ianuarie 2018 21:06:32
Problema Garaj Scor 30
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.91 kb
#include <bits/stdc++.h>
using namespace std;
ifstream fin("garaj.in");
ofstream fout("garaj.out");
int n, solt;
unsigned long long m;
struct camion{
    int c, t, utilizabil;
}v[100002];
inline bool cmp(const camion a, const camion b)
{
    return a.utilizabil>b.utilizabil;
}
int main()
{
    int i, st=0, dr=INT_MAX, mijl;
    unsigned long long sump;
    fin>>n>>m;
    for(i=1; i<=n; i++) fin>>v[i].c>>v[i].t, v[i].t*=2;
    while(st<=dr)
    {
        sump=0;
        mijl=st+(dr-st)/2;
        for(i=1; i<=n && sump<m; i++)
            sump=sump+(unsigned long long)v[i].c*(mijl/v[i].t);
        if(sump>m) solt=mijl, dr=mijl-1;
        else st=mijl+1;
    }
    for(i=1; i<=n; i++) v[i].utilizabil=v[i].c*(solt/v[i].t);
    sort(v+1,v+n+1,cmp);
    sump=0;
    for(i=1; i<=n && sump<m; i++)
        sump+=(unsigned long long)v[i].utilizabil;
    fout<<solt<<' '<<i-1<<'\n';
    return 0;
}