# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
141688 | rzbt | Robots (IOI13_robots) | C++14 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#define MAXN 1000006
using namespace std;
struct igracka{
int m,v;
int rb;
};
igracka make_igracka(int rb,pair<int,int> a){
igracka temp;
temp.rb=rb;
temp.m=a.first;
temp.v=a.second;
return temp;
}
bool compm(igracka a,igracka b){
if(a.m==b.m)return a.v>b.v;
return a.m<b.m;
}
bool compv(igracka a,igracka b){
if(a.v==b.v)return a.m>b.m;
return a.v<b.v;
}
bool resio[MAXN];
set<pair<int,int> > s;
pair<int,int> niz[MAXN];
int a,b,t;
int ar[50004];
int br[50004];
vector< igracka > pom;
vector< igracka > pov;
bool proveri(int v){
s.clear();
memset(resio,0,sizeof(resio));
int obelezenih=0;
int trenutna=0;
for(int i=0;i<a;i++){
for(;trenutna <t &&pom[trenutna].m<ar[i];trenutna++){
s.insert(make_pair(INT_MAX-pom[trenutna].v,pom[trenutna].rb));
}
for(int j=0;j<v;j++){
if(s.empty())break;
int prvi=s.begin()->second;
resio[prvi]=true;
s.erase(s.begin());
obelezenih++;
}
}
trenutna=0;
for(int i=0;i<b;i++){
for(int j=0;j<v;j++){
while(resio[pov[trenutna].rb] && trenutna<t)
trenutna++;
if(trenutna>=t)goto dalje2;
// printf(" %d\n",pov[trenutna].rb);
//printf(" trenutna: %d %d\n",trenutna,pov[trenutna].rb);
if(pov[trenutna].v<br[i]){
//printf(" resio %d sa %d\n",pov[trenutna].rb,i);
resio[pov[trenutna].rb]=true;
obelezenih++;
}else{
break;
}
}
}
dalje2:if(obelezenih==t)return true;
return false;
}
int binarna(int l,int d,int sol){
if(l>d)return sol;
int mid=(l+d)/2;
if(proveri(mid))return binarna(l,mid-1,mid);
else return binarna(mid+1,d,sol);
}
int putaway(int A, int B, int T, int X[], int Y[], int W[], int S[])
{
a=B;b=A;t=T;
for(int i=0;i<b;i++)br[i]=X[i];
for(int i=0;i<a;i++)ar[i]=Y[i];
sort(ar,ar+a);
sort(br,br+b);
for(int i=0;i<t;i++){
niz[i].second=W[i];
niz[i].first=S[i];
}
for(int i=0;i<t;i++){
pov.push_back(make_igracka(i,niz[i]));
pom.push_back(make_igracka(i,niz[i]));
}
sort(pov.begin(),pov.end(),compv);
sort(pom.begin(),pom.end(),compm);
/*
printf("%d %d %d ",a,b,t);
for(int i=0;i<a;i++)printf("%d ",ar[i]);
for(int i=0;i<b;i++)printf("%d ",br[i]);
for(int i=0;i<t;i++)printf("%d %d ",niz[i].first,niz[i].second);*/
return binarna(0,MAXN-3,-1);
printf("%d",binarna(0,MAXN-3,-1));
return 0;
}