Submission #1017908

#	Time	Username	Problem	Language	Result	Execution time	Memory
1017908		nickolasarapidis	Choreography (IOI23_choreography)	C++17	Compilation error	0 ms	0 KiB

choreography

#include "choreography.h"
#include <bits/stdc++.h>
using namespace std;

#define ll long long

map<int, int> m;

vector<int> A;

void move_right(int K){
	int N = A.size();

	K = K%N;

	vector<int> B(N);

	int d = 0;

	for(int i = 0; i < K; i++){
		B[d] = A[i];
		d++;
	}

	for(int i = K; i < N; i++){
		B[d] = A[i];
		d++;
	}

	for(int i = 0; i < N; i++){
		A[i] = B[i];
		m[A[i]] = i;
	}
}

void move_left(int K){
	int N = A.size();

	K = K%N;

	vector<int> B(N);

	int d = 0;

	for(int i = K; i < N; i++){
		B[d] = A[i];
		d++;
	}

	for(int i = 0; i < K; i++){
		B[d] = A[i];
		d++;
	}

	for(int i = 0; i < N; i++){
		A[i] = B[i];
		m[A[i]] = i;
	}
}

void swap_places(){
	for(int i = 0; i < N/2 - 1; i++){
		swap(A[2*i], A[2*i + 1]);
	}

	for(int i = 0; i < N; i++){
		m[A[i]] = i;
	}
}

void move_around(){
	int N = A.size();

	vector<int> B(N);

	for(int i = 0; i < N - 1; i++){
		B[A[i]] = i;
	}

	for(int i = 0; i < N; i++){
		A[i] = B[i];
	}
}

int get_position(int D){
	return m[D];
}

void init(int N, vector<int> P){
	for(int i = 0; i < N; i++){
		m[P[i]] = i;
	}

	A = P;
}

Compilation message (stderr)

choreography.cpp: In function 'void swap_places()':
choreography.cpp:62:21: error: 'N' was not declared in this scope
   62 |  for(int i = 0; i < N/2 - 1; i++){
      |                     ^
choreography.cpp:66:21: error: 'N' was not declared in this scope
   66 |  for(int i = 0; i < N; i++){
      |                     ^