Submission #1028807

# Submission time Handle Problem Language Result Execution time Memory
1028807 2024-07-20T08:58:06 Z mindiyak Mechanical Doll (IOI18_doll) C++14
47 / 100
222 ms 27968 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(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;
  }
  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;
  }

  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:203:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  203 |       if(arr[j].S < counters[i].size())
doll.cpp:208:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  208 |       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:249:5: note: in expansion of macro 'FOR'
  249 |     FOR(j,0,X1.size()){
      |     ^~~
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB wrong motion
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB wrong motion
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 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 348 KB Output is correct
5 Correct 1 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 91 ms 14544 KB Output is correct
3 Partially correct 195 ms 27596 KB Output is partially correct
4 Partially correct 201 ms 27968 KB Output is partially correct
# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 348 KB Output is partially correct
2 Correct 91 ms 14544 KB Output is correct
3 Partially correct 195 ms 27596 KB Output is partially correct
4 Partially correct 201 ms 27968 KB Output is partially correct
5 Partially correct 101 ms 12092 KB Output is partially correct
6 Partially correct 110 ms 12792 KB Output is partially correct
7 Partially correct 105 ms 12452 KB Output is partially correct
8 Partially correct 117 ms 12900 KB Output is partially correct
9 Partially correct 176 ms 19508 KB Output is partially correct
10 Partially correct 222 ms 22548 KB Output is partially correct
11 Partially correct 145 ms 13116 KB Output is partially correct
12 Partially correct 106 ms 9496 KB Output is partially correct
13 Partially correct 73 ms 8316 KB Output is partially correct
14 Partially correct 71 ms 8316 KB Output is partially correct
15 Partially correct 63 ms 8064 KB Output is partially correct
16 Partially correct 2 ms 600 KB Output is partially correct
17 Partially correct 66 ms 7072 KB Output is partially correct
18 Partially correct 83 ms 7244 KB Output is partially correct
19 Partially correct 79 ms 7544 KB Output is partially correct
20 Partially correct 93 ms 10188 KB Output is partially correct
21 Partially correct 139 ms 11840 KB Output is partially correct
22 Partially correct 95 ms 9284 KB Output is partially correct