Submission #955851

#	Time	Username	Problem	Language	Result	Execution time	Memory
955851		madlogic	Overtaking (IOI23_overtaking)	C++17	39 / 100	3527 ms	604 KiB

overtaking

#include "overtaking.h"

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

int road_length;
int nbuses;
vector<long long> times;
vector<int> speeds;
int rtime;
int m;
vector<int> stations;

void init(int L, int N, std::vector<long long> T, std::vector<int> W, int X, int M, std::vector<int> S) {
    road_length = L;
    nbuses = N;
    times = T;
    speeds = W;
    rtime = X;
    m = M;
    stations = S;
}

long long arrival_time(long long Y) {
    vector<long long> t(nbuses + 1);
    for (int i = 0; i < nbuses; i++)
        t[i] = times[i];
    t[nbuses] = Y;
    for (int i = 1; i < m; i++) {
        vector<long long> e(nbuses + 1);
        for (int j = 0; j <= nbuses; j++) {
            if (j == nbuses)
                e[j] = t[j] + 1ll * rtime * (stations[i] - stations[i - 1]);
            else
                e[j] = t[j] + 1ll * speeds[j] * (stations[i] - stations[i - 1]);
        }
        vector<long long> vals(nbuses + 1);
        for (int j = 0; j <= nbuses; j++) {
            vals[j] = e[j];
            for (int k = 0; k <= nbuses; k++) {
                if (t[k] < t[j]) 
                    vals[j] = max(vals[j], e[k]);
            }
        }
        t = vals;
    }
    return t[nbuses];
}

• Subtask 0: 0 / 0
• Subtask 1: 9 / 9
• Subtask 2: 10 / 10
• Subtask 3: 20 / 20
• Subtask 4: 0 / 26
• Subtask 5: 0 / 35