Submission #387834

#	Time	Username	Problem	Language	Result	Execution time	Memory
387834		MilosMilutinovic	곤돌라 (IOI14_gondola)	C++14	25 / 100	52 ms	5316 KiB

gondola

/**
 *    author:  milos
 *    created: 09.04.2021 10:49:32       
**/
#include <bits/stdc++.h>
#include "gondola.h"
 
using namespace std;
 
int valid(int n, int* a) {
  set<int> s(a, a + n);
  if ((int) s.size() != n) {
    return 0;
  }
  vector<bool> was(n + 1, false);
  vector<int> g;
  for (int i = 0; i < n; i++) {
    if (a[i] > n) {
      g.push_back(a[i]);
      continue;
    }
    was[a[i]] = true;
  }                   
  sort(g.begin(), g.end());
  for (int i = 0; i < (int) g.size(); i++) {
    if (g[i] != n + i + 1) {
      return 0;
    }
  }
  vector<int> b;
  for (int i = 0; i < n; i++) {
    if (a[i] <= n) {
      b.push_back(a[i]);
    }
  }
  int cnt = 0;
  for (int i = 1; i < (int) b.size(); i++) {
    if (b[i] < b[i - 1]) {
      ++cnt;
    }
  }
  return (cnt <= 1 ? 1 : 0);
}
    
int replacement(int n, int* a, int* ans) {
  return 0; 
}

int countReplacement(int n, int* a) {

  return 1;
} 

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 10
• Subtask 4: 0 / 5
• Subtask 5: 0 / 10
• Subtask 6: 0 / 20
• Subtask 7: 5 / 5
• Subtask 8: 0 / 15
• Subtask 9: 0 / 15
• Subtask 10: 0 / 10