제출 #528914

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
528914	2022-02-21 18:04:56	Alex_tz307	곤돌라 (IOI14_gondola)	C++17	100 / 100	56 ms	112492 KiB

gondola

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#include <bits/stdc++.h>
#include "gondola.h"
using namespace std;
int valid(int n, int a[]) {
  int N = 0;
  for (int i = 0; i < n; ++i) {
    N = max(N, a[i]);
  }
  vector<bool> ap(N + 1);
  int pos = 0;
  for (int i = 0; i < n; ++i) {
    if (ap[a[i]]) {
      return 0;
    }
    ap[a[i]] = true;
    if (a[i] < a[pos]) {
      pos = i;
    }
  }
  if (a[pos] > n) {
    return 1;
  }
  int x = a[pos];
  for (int rep = 0; rep < n; ++rep) {
    if (a[pos] <= n && a[pos] != x) {
      return 0;
    }
    x += 1;
 
 
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