| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1186155 | hamzabc | Mechanical Doll (IOI18_doll) | C++20 | 0 ms | 0 KiB |
#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
#define all(x) x.begin(), x.end()
#define sp << " " <<
vector<vector<int>> goes;
vector<int> X, Y;
vector<array<int, 3>> dvm;
void wire(int num, int l, int r, int ret = -1, int retto = 0, int repeattime = 1, int layer = 0, int number = 0){
bool finalise = false;
if (ret == -1){
finalise = true;
int loog = __lg(r - l + 1);
if (r - l + 1 == (1 << loog)){
repeattime = (1 << loog);
ret = 0;
}else{
repeattime = (1 << loog) * 2;
retto = -X.size();
ret = repeattime - r + l - 1;
}
}
int swc = X.size() - 1;
if (ret >= repeattime / 2){
ret -= repeattime;
X[swc] = retto;
}else{
if (repeattime == 2){
// X[swc] = goes[num][number - min(standart, (number + 1) / 2)];
dvm.push_back({ number, swc, 1 });
}else{
X[swc] = -X.size() - 1;
X.push_back(0);
Y.push_back(0);
wire(num, l, r - repeattime / 2, ret, retto, repeattime / 2, layer + 1, number);
}
}
if (repeattime == 2){
number += (1 << layer);
dvm.push_back({ number, swc, 0 });
// Y[swc] = goes[num][number - min(standart, (number + 1) / 2)];
}else{
Y[swc] = -X.size() - 1;
X.push_back(0);
Y.push_back(0);
wire(num, r - repeattime / 2 + 1, r, 0, 0, repeattime / 2, layer + 1, number + (1 << layer));
}
if (finalise){
sort(all(dvm));
int j = 0;
for (auto i : dvm){
if (i[2]){
X[i[1]] = goes[num][j];
}else{
Y[i[1]] = goes[num][j];
}
j++;
}
dvm.clear();
}
}
void create_circuit(int M, vector<int> A) {
int N = A.size();
vector<int> Ret(M + 1);
goes.resize(M + 1);
goes[0].push_back(A[0]);
for (int i = 0; i < N; i++){
if (i == N - 1){
goes[A[i]].push_back(0);
}else{
goes[A[i]].push_back(A[i + 1]);
}
}
for (int i = 0; i <= M; i++){
if (goes[i].size() < 2){
if (goes[i].size())
Ret[i] = goes[i][0];
}else{
X.push_back(0);
Y.push_back(0);
Ret[i] = -X.size();
wire(i, 0, goes[i].size() - 1);
}
}
answer(Ret, X, Y);
}
0