Submission #1038985

#	Time	Username	Problem	Language	Result	Execution time	Memory
1038985		Zicrus	Overtaking (IOI23_overtaking)	C++17	9 / 100	2 ms	476 KiB

overtaking

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

typedef long long ll;

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

void init(int l, int n, vector<ll> t, vector<int> w, int x1, int m1, vector<int> s1) {
    s = vector<ll>(s1.size());
    for (int i = 0; i < s1.size(); i++) s[i] = s1[i];
    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 * ((ll)s[t+1] - (ll)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;
}

Compilation message (stderr)

overtaking.cpp: In function 'void init(int, int, std::vector<long long int>, std::vector<int>, int, int, std::vector<int>)':
overtaking.cpp:13:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     for (int i = 0; i < s1.size(); i++) s[i] = s1[i];
      |                     ~~^~~~~~~~~~~

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