Submission #1211958

#	Time	Username	Problem	Language	Result	Execution time	Memory
1211958		mychecksedad	Roller Coaster Railroad (IOI16_railroad)	C++20	0 / 100	67 ms	7604 KiB

railroad

#include "railroad.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long int
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define pb push_back
#define all(x) x.begin(), x.end()
#define en cout << '\n'
#define ff first
#define ss second
#define pii pair<int,int>
#define vi vector<int>
const int N = 1e6+100, M = 1e5+10, K = 52, MX = 30;

long long plan_roller_coaster(std::vector<int> s, std::vector<int> t) {
  int n = s.size();
  vector<array<ll, 2>> A;
  for(int i = 1; i <= n; ++i){
    A.pb({s[i-1], t[i-1]});
  }
  sort(all(A));
  vector<int> T(n+1);
  for(int i = 0; i < n; ++i){
    int pos = lower_bound(all(A), array<ll,2>{A[i][1], -1}) - A.begin();
    T[pos]++;
  }
  int cur = 0;
  for(int i = n; i >= 1; --i){
    cur += T[i];
    if(n - cur > n - i + 1){
      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