Submission #1068694

#	Time	Username	Problem	Language	Result	Execution time	Memory
1068694		jamjanek	Choreography (IOI23_choreography)	C++17	0 / 100	1042 ms	9948 KiB

choreography

#include "choreography.h"
#include <bits/stdc++.h>
using namespace std;
 
vector<int> pos;
vector<int> perm;
vector<int>pom;
int shift;
int n,i;
void init(int N, std::vector<int> P) {
	n=N;
	pos.resize(n);
	pom.resize(n);
	for(int i=0;i<N;i++)pos[P[i]] = i;
	perm = P;
	return;
} 
 
void move_right(int k) {
	for(int i=0;i<n;i++)
		pom[(i+k)%n]=perm[i];
	perm = pom;
	for(int i=0;i<n;i++)
		pos[i] = (pos[i]+k)%n;
	return;
}
 
void move_left(int k) {
	for(int i=0;i<n;i++)
		pom[(i-k+n)%n]=perm[i];
	perm = pom;
	for(int i=0;i<n;i++)
		pos[i] = (pos[i]-k+n)%n;
	return;
}
map<vector<int>,bool>mapa; 
 
void swap_places() {
	for(i=0;i<n;i++)
		if(i%2==0)swap(perm[i], perm[i+1]);
	for(i=0;i<n;i++)
		pos[i]^=1;
	mapa[perm] = 1;
	assert(mapa.size()<2);
	return;
}
void move_around() {
	for(i=0;i<n;i++)
		pom[perm[perm[i]]] = perm[i];
	perm = pom;
	for(i=0;i<n;i++)
		pos[perm[i]]=i;
	mapa[perm] = 1;
	assert(mapa.size()<2);
	return;
}
 
int get_position(int D){
//	for(i=0;i<n;i++)
//		printf("%d ", perm[i]);
//	exit(0);
	return pos[D];
//    return 0;
}

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