Submission #1126072

#	Time	Username	Problem	Language	Result	Execution time	Memory
1126072		m_bezrutchka	Robots (IOI13_robots)	C++20	0 / 100	1 ms	324 KiB

robots

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

typedef pair<int, int> pii;

int putaway(int A, int B, int T, int X[], int Y[], int W[], int S[]) {
    // sub2
    assert(B == 0);
    multiset<int> toys;
    for (int i = 0; i < T; i++) {
        toys.insert(W[i]);
    }
    multiset<int> robots;
    for (int i = 0; i < A; i++) {
        robots.insert(X[i]);
    }
    int resp = 0;
    while (true) {
        resp++;
        vector<int> to_delete_robots;
        vector<int> to_delete_toys;
        for (int x: robots) {
            auto it = toys.lower_bound(x);
            if (it == toys.begin()) {
                to_delete_robots.push_back(x);
            } else {
                it--;
                to_delete_toys.push_back(*it);
            }
        }
        for (int x: to_delete_robots) {
            robots.erase(robots.find(x));
        }
        for (int x: to_delete_toys) {
            toys.erase(toys.find(x));
        }
        if ((int) toys.size() == 0 || (int) robots.size() == 0) break;
    }
    if ((int) toys.size() != 0) return -1;
    return resp;
}

• Subtask 1: 0 / 14
• Subtask 2: 0 / 14
• Subtask 3: 0 / 25
• Subtask 4: 0 / 37
• Subtask 5: 0 / 10