Submission #853788

#	Time	Username	Problem	Language	Result	Execution time	Memory
853788		JooDdae	Choreography (IOI23_choreography)	C++17	17 / 100	65 ms	6716 KiB

choreography

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

struct dancer {
    vector<int> v;
    ll p[2], f[2];
    int o, s;

    dancer() {}
    dancer(vector<int> P) : v(P), p{0, 0}, f{0, 1}, o(0), s(0) {}
} A, B;

void init(int N, vector<int> P) {
    A = dancer(P);
    vector<int> R(N);
    for(int i=0;i<N;i++) R[P[i]] = i;
    B = dancer(R);
    return;
} 

void move_right(int K) {

    B.p[0] += K, B.p[1] += K;
    if(K % 2) B.o = !B.o;

    return;
}

void move_left(int K) {


    B.p[0] -= K, B.p[1] -= K;
    if(K % 2) B.o = !B.o;

    return;
}

void swap_places() {
    swap(A.f[0], A.f[1]);
    A.s = !A.s;
    
    B.p[B.o]++, B.p[!B.o]--;
    B.o = !B.o;

    return;
}

void move_around() {
    swap(A, B);
    return;
}

int get_position(int D){
    int N = A.v.size();

    // int b = (D & 1) ^ A.s;
    // int d = 
    int u = D;

    return (B.v[u] + B.p[u % 2]%N + N) % N;
}

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