Submission #1038977

#	Time	Username	Problem	Language	Result	Execution time	Memory
1038977		Zicrus	Overtaking (IOI23_overtaking)	C++17	0 / 100	0 ms	348 KiB

overtaking

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

typedef long long ll;

vector<ll> tCur, tNxt;
vector<int> s;
int x, m;

void init(int l, int n, vector<ll> t, vector<int> w, int x1, int m1, vector<int> s1) {
    s = s1;
    m = m1;
    x = x1;
    tCur = vector<ll>(m-1);
    tNxt = vector<ll>(m-1);
    ll start = t[0], timePerKm = w[0];

    for (int t = 0; t < m-1; t++) {
        ll idealNxt = start + timePerKm * (s[t+1] - s[t]);
        tCur[t] = start;
        tNxt[t] = idealNxt;
        start = idealNxt;
    }
}

ll arrival_time(ll y) {
    for (int t = 0; t < m-1; t++) {
        ll idealNxt = y + x * (s[t+1] - s[t]);
        if (tCur[t] < y) idealNxt = max(idealNxt, tNxt[t]);
        y = idealNxt;
    }
    return y;
}

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