Cod sursa(job #2853745)
Utilizator | Data | 20 februarie 2022 16:24:58 | |
---|---|---|---|
Problema | Energii | Scor | 15 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.62 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream f("energii.in");
ofstream g("energii.out");
int n,m,i,s,p;
struct elem{
int energie,cost,raport;
}v[10001];
int compara(elem a, elem b)
{
if(a.raport<b.raport)
return 0;
return 1;
}
int main()
{
f>>n;
f>>m;
for(i=1;i<=n;i++)
{
f>>v[i].energie>>v[i].cost;
v[i].raport=v[i].energie/v[i].cost;
}
sort(v+1,v+n+1,compara);
for(i=1;i<=n;i++)
{
s=s+v[i].energie;
p=p+v[i].cost;
if(s>=m)
{
g<<p;
return 0;
}
}
g<<-1;
}