Submission #981029

#	Time	Username	Problem	Language	Result	Execution time	Memory
981029		vjudge1	Overtaking (IOI23_overtaking)	C++17	39 / 100	3561 ms	596 KiB

overtaking

#include "overtaking.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vll = vector <ll>;
using vi = vector <int>;

const ll MAXN = 1E3+16;
ll l, n, x, m;
vll t;
vi w, s;
// bus i moves 1 km in w[i] s/km

void init (int L, int N, vll T, vi W, int X, int M, vi S) {
    l = L; n = N; x = X; m = M;
    t = T;
    w = W; s = S;
    w.push_back(X);
}

ll arrival_time (ll y) {
    vll ts = t;
    ts.push_back(y);
    for (ll i = 1; i < m; i++) {
        ll dis = s[i]-s[i-1];
        vll e(n+1);
        for (ll j = 0; j <= n; j++) {
            e[j] = ts[j] + dis*w[j];
        }
        vll nt(n+1);
        for (ll j = 0; j <= n; j++) {
            nt[j] = e[j];
            for (ll k = 0; k <= n; k++) {
                if (ts[k] < ts[j]) nt[j] = max(nt[j], e[k]);
            }
        }
        ts = nt;
    }
    return ts[n];
}

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