Submission #1203012

#	Time	Username	Problem	Language	Result	Execution time	Memory
1203012		onbert	Roller Coaster Railroad (IOI16_railroad)	C++20	0 / 100	65 ms	11692 KiB

railroad

#include "railroad.h"
#include <bits/stdc++.h>
using namespace std;
#define int long long
const int INF = 1e15;
int n;

long long plan_roller_coaster(std::vector<int32_t> s, std::vector<int32_t> t) {
    n = s.size();
    vector<pair<int,int>> vec;
    for (int i=0;i<n;i++) {vec.push_back({s[i], -1}); vec.push_back({t[i], 1});}
    sort(vec.begin(), vec.end());
    int val = 0;
    for (int i=0;i<2*n;i++) {
        val += vec[i].second;
        if (i == 2*n-1 || vec[i+1].first != vec[i].first) {
            if (val + 1 < 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