Submission #1091345

#	Time	Username	Problem	Language	Result	Execution time	Memory
1091345		LaMatematica14	Robots (IOI13_robots)	C++17	100 / 100	2659 ms	33944 KiB

robots

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

bool cont(int A, int B, int T, int X[], int Y[], int W[], int S[], int tr) {
    vector<array<int, 2>> ro(T+A);
    for (int i = 0; i < T; i++) ro[i] = {W[i], S[i]};
    for (int i = T; i < T+A; i++) ro[i] = {X[i-T], -1};
    sort(ro.begin(), ro.end());
    priority_queue<int> pq;
    for (int i = 0; i < A+T; i++) {
        if (ro[i][1] == -1) {
            int c = 0;
            while (!pq.empty() && c < tr) {
                pq.pop(); c++;
            }
        }
        else pq.push(ro[i][1]);
    }
    vector<array<int, 2>> rv(B);
    for(int i = 0; i < B; i++) rv[i] = {Y[i], -1};
    while (!pq.empty()) {
        rv.push_back({pq.top(), 0}); pq.pop();
    }
    sort(rv.begin(), rv.end());
    for (int i = 0; i < rv.size(); i++) {
        if (rv[i][1] == -1) {
            int c= 0;
            while (!pq.empty() && c < tr) {
                pq.pop(); c++;
            }
        }
        else pq.push(rv[i][1]);
    }
    if (pq.empty()) return 1;
    return 0;
}

int putaway(int A, int B, int T, int X[], int Y[], int W[], int S[]) {
    int l = 0, r = T+1;
    while (l < r-1) {
        int m = (l+r)/2;
        if (cont(A, B, T, X, Y, W, S, m)) r = m;
        else l = m;
    }
    if (r == T+1) return -1;
    return r;
}

Compilation message (stderr)

robots.cpp: In function 'bool cont(int, int, int, int*, int*, int*, int*, int)':
robots.cpp:26:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |     for (int i = 0; i < rv.size(); i++) {
      |                     ~~^~~~~~~~~~~

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