Submission #1028804

# Submission time Handle Problem Language Result Execution time Memory
1028804 2024-07-20T08:57:27 Z mindiyak Mechanical Doll (IOI18_doll) C++14
47 / 100
224 ms 29508 KB
#include "doll.h"
#pragma GCC optimize("O1,O2,O3,Ofast,unroll-loops")
#include <bits/stdc++.h>
#include <string>
#include <iostream>
#include <cmath>
#include <numeric>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<int, int> pi;
typedef pair<int, int> pl;
typedef pair<ld, ld> pd;
typedef vector<int> vi;
typedef vector<bool> vb;
typedef vector<vector<int>> vvi;
typedef vector<ld> vd;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
#define FOR(i, a, b) for (int i = a; i < (b); i++)
#define F0R(i, a) for (int i = 0; i < (a); i++)
#define FORd(i, a, b) for (int i = (b)-1; i >= a; i--)
#define F0Rd(i, a) for (int i = (a)-1; i >= 0; i--)
#define trav(a, x) for (auto &a : x)
#define uid(a, b) uniform_int_distribution<int>(a, b)(rng)
#define len(x) (int)(x).size()
#define mp make_pair
#define pb push_back
#define F first
#define nl endl
#define S second
#define lb lower_bound
#define ub upper_bound
#define aint(x) x.begin(), x.end()
#define raint(x) x.rbegin(), x.rend()
#define ins insert
const int MOD = 1000000007;

int N,M;

void create_circuit(int m, vi A) {
  A.pb(0);
  N = A.size();M=m;
  vi C(M + 1,0),X,Y;

  vvi counters(M+1,vi());
  FOR(i,0,N-1){
    counters[A[i]].pb(A[i+1]);
  }

  int mx = 0;
  FOR(i,0,M+1){
    mx = max(mx,int(counters[i].size()));
  }
  counters[0].pb(A[0]);

  // FOR(i,0,M+1){
  //   cout << i << " {";
  //   for(int j:counters[i])cout<<j << " ,";
  //   cout<<"}"<<endl;
  // }

  // if(false){

  if(N==17){
    int j = 0,sum = 2;
    while(sum < 16){
      X.pb(-2-j);
      j++;
      Y.pb(-2-j);
      j++;
      sum+=2;
    }
    FOR(i,0,M+1){
      if(counters[i].size()>0)C[i] = -1;
    }
    C[0] = A[0];
    A.erase(A.begin());

    vector<pair<string,int>> arr(16);
    FOR(j,0,16){
      string a = "";
      int k = j;
      FOR(l,0,4){
        if(k%2 == 1)a += "1";
        else a += "0";
        k/=2;
      }
      // reverse(a.begin(),a.end());
      arr[j] = {a,j};
    }
    sort(arr.begin(),arr.end());

    for(int j = 0;j < 16;j+=2){
      X.pb(A[arr[j].S]);
      Y.pb(A[arr[j+1].S]);
    }

    // FOR(i,1,16){
    //   X.pb(A[i]);
    //   i++;
    //   Y.pb(A[i]);
    // }
    answer(C, X, Y);

    // FOR(i,0,M+1)cout << C[i] << " ";
    // cout << endl;
    // FOR(i,0,X.size())cout << X[i] << " " << Y[i] << endl;

    return;
  }
  if(mx<=4){
    FOR(i,1,M+1){
      if(counters[i].size() == 1){
        C[i] = counters[i][0];
      }else if(counters[i].size() == 2){
        X.pb(counters[i][0]);
        Y.pb(counters[i][1]);
        C[i] = X.size()*-1;
      }else if(counters[i].size() == 3){
        int k = -X.size();
        C[i] = k-1;
        X.pb(k-2);
        Y.pb(k-3);
        X.pb(counters[i][0]);
        Y.pb(k-1);
        X.pb(counters[i][1]);
        Y.pb(counters[i][2]);
      }else if(counters[i].size() == 4){
        int k = -X.size();
        C[i] = k-1;
        X.pb(k-2);
        Y.pb(k-3);
        X.pb(counters[i][0]);
        Y.pb(counters[i][2]);
        X.pb(counters[i][1]);
        Y.pb(counters[i][3]);
      }
    }

    // FOR(i,0,M+1)cout << C[i] << " ";
    // cout << endl;
    // FOR(i,0,X.size())cout << X[i] << " " << Y[i] << endl;

    answer(C, X, Y);
    return;
  }

  FOR(i,0,M+1){
    if(counters[i].size() == 0)continue;
    if(counters[i].size() == 1){
      C[i] = counters[i][0];
      continue;
    }
    if(counters[i].size() == 2){
      X.pb(counters[i][0]);
      Y.pb(counters[i][1]);
      C[i] = -X.size();
      continue;
    }

    int num = ceil(log2(counters[i].size()));

    // int k = -X.size();

    // cout << num << " " << pow(2,num) << endl;

    vi X1,Y1;

    int j = 0,sum = 2;
    while(sum < pow(2,num)){
      X1.pb(-2-j);
      j++;
      Y1.pb(-2-j);
      j++;
      sum+=2;
    }

    counters[i].insert(counters[i].end()-1,pow(2,num)-counters[i].size(),-1);

    // cout << i << " {";
    // for(int j:counters[i])cout<<j << " ,";
    // cout<<"}"<<endl;

    // cout << i << " " << counters[i].size() << " " << num << endl;

    vector<pair<string,int>> arr(pow(2,num));
    FOR(j,0,pow(2,num)){
      string a = "";
      int k = j;
      FOR(l,0,num){
        if(k%2 == 1)a += "1";
        else a += "0";
        k/=2;
      }
      // reverse(a.begin(),a.end());
      arr[j] = {a,j};
    }
    sort(arr.begin(),arr.end());

    for(int j = 0;j < pow(2,num);j+=2){
      if(arr[j].S < counters[i].size())
        X1.pb(counters[i][arr[j].S]);
      else 
        X1.pb(-1);

      if(arr[j+1].S < counters[i].size())
        Y1.pb(counters[i][arr[j+1].S]);
      else
        Y1.pb(-1);
    }
    // cout << endl;

    // cout << "INITIAL" << endl;
    // for(int x:X1)cout << x << " ";
    // cout << endl;
    // for(int y:Y1)cout << y << " ";
    // cout << endl;

    // cout << endl;

    vi used(X1.size(),0);
    for(int j = X1.size()-1;j>-1;j--){
      // cout << j << " " << (j-1)/2 << endl;
      if(X1[j] != -1){
        used[j]++;
      }
      if(Y1[j] != -1){
        used[j]++;
      }
      if(used[j] == 0){
        if((j-1)/2 == 2*((j-1)/2)+1)X[(j-1)/2] = -1;
        else  Y[(j-1)/2] = -1;
      }
    }

    // cout << "TRYING TO SHORT " << endl;
    // for(int x:X1)cout << x << " ";
    // cout << endl;
    // for(int y:Y1)cout << y << " ";
    // cout << endl;
    // for(int y:used)cout << y << " ";
    // cout << endl;

    int k = -X.size();

    C[i] = k-1;
    FOR(j,0,X1.size()){
      if(X1[j]<0)X.pb(X1[j]+k);
      else X.pb(X1[j]);

      if(Y1[j]<0)Y.pb(Y1[j]+k);
      else Y.pb(Y1[j]);
    }
  }

  // cout << "FINAL" << endl;
  // for(int x:C)cout << x << " ";
  // cout << endl;
  // FOR(i,0,X.size()){
  //   cout << -i-1 << " " << X[i] << " " << Y[i] << endl;
  // }

  answer(C, X, Y);
}

Compilation message

doll.cpp: In function 'void create_circuit(int, vi)':
doll.cpp:204:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  204 |       if(arr[j].S < counters[i].size())
doll.cpp:209:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  209 |       if(arr[j+1].S < counters[i].size())
doll.cpp:22:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 | #define FOR(i, a, b) for (int i = a; i < (b); i++)
      |                                        ^
doll.cpp:250:5: note: in expansion of macro 'FOR'
  250 |     FOR(j,0,X1.size()){
      |     ^~~
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB wrong motion
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB wrong motion
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB wrong motion
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 348 KB Output is partially correct
2 Correct 89 ms 15436 KB Output is correct
3 Partially correct 193 ms 28364 KB Output is partially correct
4 Partially correct 196 ms 29508 KB Output is partially correct
# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 348 KB Output is partially correct
2 Correct 89 ms 15436 KB Output is correct
3 Partially correct 193 ms 28364 KB Output is partially correct
4 Partially correct 196 ms 29508 KB Output is partially correct
5 Partially correct 98 ms 13628 KB Output is partially correct
6 Partially correct 113 ms 14292 KB Output is partially correct
7 Partially correct 105 ms 13984 KB Output is partially correct
8 Partially correct 113 ms 14444 KB Output is partially correct
9 Partially correct 159 ms 20492 KB Output is partially correct
10 Partially correct 224 ms 24040 KB Output is partially correct
11 Partially correct 156 ms 14652 KB Output is partially correct
12 Partially correct 99 ms 10404 KB Output is partially correct
13 Partially correct 71 ms 9344 KB Output is partially correct
14 Partially correct 68 ms 9164 KB Output is partially correct
15 Partially correct 64 ms 8848 KB Output is partially correct
16 Partially correct 2 ms 600 KB Output is partially correct
17 Partially correct 69 ms 8060 KB Output is partially correct
18 Partially correct 85 ms 8344 KB Output is partially correct
19 Partially correct 78 ms 8564 KB Output is partially correct
20 Partially correct 86 ms 11836 KB Output is partially correct
21 Partially correct 120 ms 13400 KB Output is partially correct
22 Partially correct 88 ms 10820 KB Output is partially correct