Submission #848506

#TimeUsernameProblemLanguageResultExecution timeMemory
848506mohammedMonemOvertaking (IOI23_overtaking)C++17
0 / 100
0 ms348 KiB
#include <bits/stdc++.h>
#include "overtaking.h"

#define ll long long

using namespace std;

class bus {
public:
    int id, speed;
    ll arrivalTime;

    explicit bus(int idP = 0, int speedP = 0, ll arrivalTimeP = 0) {
        id = idP, speed = speedP, arrivalTime = arrivalTimeP;
    }

    friend bool operator<(bus bus1, bus bus2) {
        if (bus1.arrivalTime == bus2.arrivalTime) {
            return bus1.speed < bus2.speed;
        }
        return bus1.arrivalTime < bus2.arrivalTime;
    }
};

int reserveBusSpeed;
vector<vector<ll>> trueArrivalTime;//for i bus and j station
vector<int> sortingStations;

void init(int L, int N, vector<ll> T, vector<int> W, int X, int M, vector<int> S) {
    trueArrivalTime.resize(N, vector<ll>(M));
    for (int i = 0; i < N; ++i) {
        trueArrivalTime[i][0] = T[i];
    }
    reserveBusSpeed = X, sortingStations = S;
    vector<ll> expectedArrivalTime(N);//for i bus and j station
    vector<bus> sortedBuses(N);
    for (int j = 1; j < M; ++j) {
        for (int i = 0; i < N; ++i) {
            sortedBuses[i] = bus(i, W[i], trueArrivalTime[i][j - 1]);
            expectedArrivalTime[i] = trueArrivalTime[i][j - 1] + W[i] * (S[j] - S[j - 1]);
        }
        ll movingBusesArrivalTime = 0;
        sort(sortedBuses.begin(), sortedBuses.end());
        for (const auto &i: sortedBuses) {
            movingBusesArrivalTime = trueArrivalTime[i.id][j] =
                    max(movingBusesArrivalTime, expectedArrivalTime[i.id]);
        }
    }
    for (auto &v: trueArrivalTime) {
        for (auto &i: v) {
            cout << i << ' ';
        }
        cout << '\n';
    }
}

long long arrival_time(long long Y) {
//    ll prevStationDepartingTime = Y;
//    for (int j = 1; j < (int) sortingStations.size(); ++j) {
//        ll reserveBusArrivalTime = prevStationDepartingTime
//                                   + reserveBusSpeed * (sortingStations[j] - sortingStations[j - 1]);
//        for (const auto &i: trueArrivalTime) {
//            if (i[j - 1] < prevStationDepartingTime) {
//                reserveBusArrivalTime = max(reserveBusArrivalTime, i[j]);
//            }
//        }
//        prevStationDepartingTime = reserveBusArrivalTime;
//    }
//    return prevStationDepartingTime;
    return 0;
}
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