제출 #377285

#제출 시각아이디문제언어결과실행 시간메모리
377285gustason로봇 (IOI13_robots)C++14
0 / 100
2761 ms23136 KiB
#include "robots.h"
#include<bits/stdc++.h>
using namespace std;
const int INF = 1e9 + 5;

int putaway(int A, int B, int T, int X[], int Y[], int W[], int S[]) {
    sort(X, X+A);
    sort(Y, Y+B);
    vector<pair<int, int>> a(T);
    for(int i = 0; i < T; i++) {
        a[i] = {W[i], S[i]};
    }
    sort(a.begin(), a.end());

    int l = 0, r = INF, ans = 0;
    while(l <= r) {
        int mid = (l + r) / 2;
        priority_queue<int> q;

        int idx = 0;
        for(int i = 0; i < A; i++) {
            while(idx < T && X[i] > a[idx].first) {
                q.push(a[idx].second);
                idx++;
            }
            for(int j = 0; j < mid && !q.empty(); j++) {
                q.pop();
            }
        }
        while(idx < T) {
            q.push(a[idx].second);
            idx++;
        }
        for(int i = B-1; i >= 0; i--) {
            for(int j = 0; j < mid && !q.empty(); j++) {
                if (q.top() < Y[i]) {
                    q.pop();
                } else {
                    break;
                }
            }
        }

        if (q.empty()) {
            ans = mid;
            r = mid - 1;
        } else {
            l = mid + 1;
        }
    }

    if (ans == INF) return -1;
    return ans;
}
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