Submission #1090991

#	Time	Username	Problem	Language	Result	Execution time	Memory
1090991		4QT0R	Robots (IOI13_robots)	C++17	100 / 100	1345 ms	24300 KiB

robots

#include <bits/stdc++.h>
#include "robots.h"
using namespace std;

int putaway(int A, int B, int T, int X[], int Y[], int W[], int S[]){
	int l=1,p=(1e6)+1,md;
	vector<pair<int,int>> vec;
	sort(X,X+A);
	sort(Y,Y+B,greater<int>());
	for (int i = 0; i<T; i++)vec.push_back({W[i],S[i]});
	sort(vec.begin(),vec.end());
	priority_queue<int> pq;
	while(l<p){
		md=(l+p)/2;
		int iter=0;
		for (int i = 0; i<A; i++){
			for (;iter<T && vec[iter].first<X[i];iter++)pq.push(vec[iter].second);
			for (int j = 0; j<md && pq.size(); j++)pq.pop();
		}
		for (;iter<T; iter++)pq.push(vec[iter].second);
		bool ok=true;
		for (int i = 0; i<B && pq.size(); i++){
			for (int j = 0; j<md && pq.size(); j++){
				if (pq.top()>=Y[i])ok=false;
				pq.pop();
			}
		}
		if (pq.size())ok=false;
		if (ok)p=md;
		else l=md+1;
		for (;pq.size();pq.pop());
	}
	return (l==((1e6)+1)?-1:l);
}

• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 25 / 25
• Subtask 4: 37 / 37
• Subtask 5: 10 / 10