Submission #1126074

#	Time	Username	Problem	Language	Result	Execution time	Memory
1126074		m_bezrutchka	Robots (IOI13_robots)	C++20	14 / 100	424 ms	30484 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) {
        // printf("hello\n");
        resp++;
        vector<int> to_delete_robots;
        for (int x: robots) {
            auto it = toys.lower_bound(x);
            if (it == toys.begin()) {
                to_delete_robots.push_back(x);
            } else {
                it--;
                toys.erase(it);
            }
        }
        for (int x: to_delete_robots) {
            // printf("deleting robot %d\n", x);
            robots.erase(robots.find(x));
        }
        if (robots.empty() && !toys.empty()) return -1;
        if (toys.empty()) return resp;
    }
    return -1;
}

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