Pagini recente » Cod sursa (job #2475441) | Cod sursa (job #2148793) | Cod sursa (job #2083881) | Cod sursa (job #1786911) | Cod sursa (job #1894270)
#include<bits/stdc++.h>
#define maxN 100005
using namespace std;
int n,x,st,dr,sol,mid,timp,nr,val;
pair<int,int> v[maxN];
bool cmp(pair<int,int> a,pair<int,int> b)
{
double x=((1.0)*a.first)/a.second;
double y=((1.0)*b.first)/b.second;
return x>y;
}
int main()
{
freopen("garaj.in","r",stdin);
freopen("garaj.out","w",stdout);
scanf("%d%d",&n,&x);
for(int i=1;i<=n;i++)
{
scanf("%d%d",&v[i].first,&v[i].second);
}
st=0;
dr=250000;
while(st<=dr)
{
int mid=(st+dr)>>1;
long long val=1LL;
for(int i=1;i<=n;i++)
{
val=val+(1LL*v[i].first)*(1LL*(mid/(2*v[i].second)));
}
if(val>=x)
{
sol=mid;
dr=mid-1;
}
else st=mid+1;
}
printf("%d ",sol);
timp=sol;
sort(v+1,v+n+1,cmp);
for(int i=1;i<=n;i++)
{
nr++;
val=v[i].first*(timp/(2*v[i].second));
if(val<=x)
{
x-=val;
}
else break;
}
printf("%d\n",nr);
return 0;
}