Submission #923223

#	Time	Username	Problem	Language	Result	Execution time	Memory
923223		AdamGS	Choreography (IOI23_choreography)	C++17	7 / 100	61 ms	6380 KiB

choreography

#include "choreography.h"
#include<bits/stdc++.h>
using namespace std;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=1e5+7;
int P[LIM], Q[LIM], n, a;
vector<int>A;
void init(int N, vector<int>_P) {
  n=N;
  rep(i, n) P[i]=_P[i];
  rep(i, n) Q[P[i]]=i;
}
void move_right(int k) {
  a=(a+k)%n;
}
void move_left(int k) {
  move_right((n-k)%n);
}
void swap_places() {
  if(A.size() && A.back()==a%2) A.pop_back();
  else A.pb(a%2);
}
void move_around() {
}
int get_position(int d) {
  int x=Q[d];
  int p=A.size()%n;
  if(A.size() && x%2==A[0]) x=(x+p)%n; else x=(x-p+n)%n;
  return (x+a)%n;
}

• Subtask 1: 7 / 7
• Subtask 2: 0 / 12
• Subtask 3: 0 / 10
• Subtask 4: 0 / 14
• Subtask 5: 0 / 28
• Subtask 6: 0 / 29