Submission #1069614

#	Time	Username	Problem	Language	Result	Execution time	Memory
1069614		Ignut	Roller Coaster Railroad (IOI16_railroad)	C++17	0 / 100	119 ms	12888 KiB

railroad

// Ignut

#include <bits/stdc++.h>

using namespace std;
using ll = long long;

const ll INF = 1e18 + 123;

ll plan_roller_coaster(vector<int> s, vector<int> t) {
    int n = s.size();
    multiset<pair<int, int>> ms;
    for (int i = 0; i < n; i ++) ms.insert({s[i], -t[i]});
    int speed = 1;
    for (int i = 0; i < n; i ++) {
        auto it = ms.lower_bound({speed, -1'000'000'001});
        if (it == ms.end())
            return 1;
        auto [S, T] = *it;
        ms.erase(it);
        speed = -T;
    }
    return 0ll;
}

• Subtask 1: 0 / 11
• Subtask 2: 0 / 23
• Subtask 3: 0 / 30
• Subtask 4: 0 / 36