Submission #1218644

#	Time	Username	Problem	Language	Result	Execution time	Memory
1218644		JooDdae	Roller Coaster Railroad (IOI16_railroad)	C++20	0 / 100	67 ms	7608 KiB

railroad

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

ll plan_roller_coaster(vector<int> s, vector<int> t) {
    int n = s.size();

    priority_queue<array<int, 2>, vector<array<int, 2>>, greater<>> pq;
    for(int i=0;i<n;i++) pq.push({s[i], 1}), pq.push({t[i], -1});
    pq.push({(int)1e9, 1}), pq.push({1, -1});

    int S = 0;
    while(!pq.empty()) {
        auto [u, c] = pq.top(); pq.pop();
        S += c;
        if(S > 0) return 1;
    }

    return 0;
}

Compilation message (stderr)

railroad.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
railroad_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

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