Submission #783218

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
783218	2023-07-14 18:05:56	zsombor	곤돌라 (IOI14_gondola)	C++17	100 / 100	59 ms	5896 KiB

gondola

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#include <iostream>
#include <algorithm>
#include <vector>
#include <set>
#include "gondola.h"
using namespace std;
using ll = long long;
ll MOD = 1e9 + 9;
int valid(int n, int g[]) {
  set <int> s;
  for (int i = 0; i < n; i++) {
    if (s.count(g[i])) return 0;
    s.insert(g[i]);
  }
  int p = 0;
  for (int i = 0; i < n; i++) if (g[i] <= n) p = (g[i] - i + n) % n;
  for (int i = 0; i < n; i++) if (g[i] <= n && (g[i] - i + n) % n != p) return 0;
  return 1;
}
int replacement(int n, int g[], int r[]) {
  int p = 0, cnt = 0, mx = 0;
  vector <int> rev(1e6 + 1, -1);
  vector <int> cur(n, 0);
  for (int i = 0; i < n; i++) {
    if (g[i] <= n) { p = (g[i] - i + n) % n; cnt++; }
    mx = max(mx, g[i]);
    rev[g[i]] = i;
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 10
• Subtask 4: 5 / 5
• Subtask 5: 10 / 10
• Subtask 6: 20 / 20
• Subtask 7: 5 / 5
• Subtask 8: 15 / 15
• Subtask 9: 15 / 15
• Subtask 10: 10 / 10