제출 #1285609

#제출 시각아이디문제언어결과실행 시간메모리
1285609enzy로봇 (IOI13_robots)C++20
76 / 100
3095 ms32052 KiB
#include "robots.h" #include<bits/stdc++.h> using namespace std; const int maxn=1e6+10; int x[maxn], y[maxn]; vector<pair<int,int>>v; bool check(int at, int a, int b, int n){ multiset<int>ms; int id=0; for(int i=1;i<=a;i++){ while(id<v.size()&&v[id].first<x[i]){ ms.insert(v[id].second); id++; } int qtd=at; while(qtd&&ms.size()){ qtd--; auto f=ms.end(); f--; ms.erase(f); } } while(id<v.size()){ ms.insert(v[id].second); id++; } for(int i=1;i<=b;i++){ int qtd=at; while(qtd&&ms.size()){ auto f=ms.begin(); int aux=*f; if(aux>=y[i]) break; qtd--; ms.erase(ms.begin()); } } if(ms.size()) return false; else return true; } int putaway(int A, int B, int T, int X[], int Y[], int W[], int S[]){ int l=1, r=T; for(int i=1;i<=A;i++) x[i]=X[i-1]; for(int i=1;i<=B;i++) y[i]=Y[i-1]; for(int i=1;i<=T;i++) v.push_back({W[i-1],S[i-1]}); sort(v.begin(),v.end()); sort(x+1,x+1+A); sort(y+1,y+1+B); while(l<r){ int mid=(l+r)/2; if(check(mid,A,B,T)) r=mid; else l=mid+1; } if(check(l,A,B,T)) return l; else return -1; }
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