제출 #1356402

#제출 시각아이디문제언어결과실행 시간메모리
1356402lizi14로봇 (IOI13_robots)C++20
100 / 100
1605 ms12660 KiB
#include "robots.h"
#include <bits/stdc++.h>
using namespace std;


int putaway(int A, int B, int T, int X[], int Y[], int W[], int S[]) {
    sort(X,X+A);
    sort(Y,Y+B);
    int l=1,r=1e9;
    vector<pair<int,int>>v(T);
    for(int i=0; i<T; i++){
        v[i].first=W[i];
        v[i].second=S[i];
        
    }
    
    sort(v.begin(),v.end());
   
    int ans=-1;
    while(l<=r){
        int mid=(l+r)/2;
        priority_queue<int>q;
        int k=0;
        
        for(int i=0; i<A; i++){
            for(int j=k; j<T; j++){
                if(v[j].first>=X[i]){
                    k=j;
                    break;
                }
                else{
                    k=j+1;
                    q.push(v[j].second);
                }
            }
            for(int j=0; j<mid; j++){
                if(q.size()>=1){
                    
                    q.pop();
                }
                else break;
            }
        }
        for(int i=k; i<T; i++){
            q.push(v[i].second);
        }
        for(int i=B-1; i>=0; i--){
            for(int j=0; j<mid; j++){
                if(q.size()==0)break;
                int h=q.top();
                if(h>=Y[i]){
                    break;
                }
                else{
                    q.pop();
                }
            }
        }
        
        if(q.size()==0){
            ans=mid;
            r=mid-1;
        }
        else{
            l=mid+1;
        }
        //cout<<ans<<" "<<q.size()<<endl;
    }
    return ans;
    //return 42;
}
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