Submission #312414

#	Time	Username	Problem	Language	Result	Execution time	Memory
312414		kylych03	Mechanical Doll (IOI18_doll)	C++14	75.55 / 100	313 ms	178492 KiB

doll

#include "doll.h"
#include <bits/stdc++.h>
//#include "grader.cpp"
using namespace std;
int vis[200002];
vector <int> x,y;
deque <int> vec[200002];
int cnt = 1;
bool f;
void rec(deque <int > v, int k){
    deque <int> v1, v2;
    if(v.size()==0)
        return ;
    if(v.size()==2){
        x.push_back(v[0]);
        y.push_back(v[1]);
        cnt++;
        return ;
    }
    int i = 0;
    if(f)
    for(; i < v.size()/2; i++){
        if(v[i] < 0)
            v1.push_back(v[i]);
        else{
           break;
        }

    }
    f=false;
    for( ; i < v.size(); i++){
        if(v1.size() > v2.size())
            v2.push_back(v[i]);
        else
            v1.push_back(v[i]);

    }
    int p = cnt;
    cnt++;

    y.push_back(-cnt);
    if(v1[v1.size()-1] >=0){
         x.push_back(-cnt);
        rec(v1,k);
    }

    else
        x.push_back(k);
    y[p-1]=-cnt;
    if(v2[v2.size()-1] >=0)
    rec(v2,k);

}
void create_circuit(int M, std::vector<int> A) {

    vector<int> C(M + 1);
    vector <int> X, Y;
    for(int i = 0; i<M+1; i++){
        C[i]=0;
    }
    C[0]=A[0];
    A.push_back(0);
    int N = A.size();
    for(int i = 0 ; i < N; i++){
        vec[A[i]].push_back(A[i+1]);
    }
    for(int i = 1 ; i <=M ;i++){
        if(vec[i].size()>1){
            C[i] = -cnt;
            int pw = 1;
            while(pw < vec[i].size()){
                pw = pw * 2;
            }
            int len = vec[i].size();
            while(len < pw){
                len++;
                vec[i].push_front(C[i]);
            }
            f=true;
            rec( vec[i],C[i]);
        }
        if(vec[i].size()==1)
            C[i]=vec[i][0];

    }

  /* for(int i = 0; i <C.size(); i++)
        cout << C[i]<<" ";
    cout << endl;
    for(int i = 0; i <x.size(); i++)
        cout << x[i]<<" "<<y[i]<<endl;
    cout << endl;
*/

  answer(C, x, y);
}

Compilation message (stderr)

doll.cpp: In function 'void rec(std::deque<int>, int)':
doll.cpp:22:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |     for(; i < v.size()/2; i++){
      |           ~~^~~~~~~~~~~~
doll.cpp:31:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |     for( ; i < v.size(); i++){
      |            ~~^~~~~~~~~~
doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:71:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   71 |             while(pw < vec[i].size()){
      |                   ~~~^~~~~~~~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 4 / 4
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 12.421421913600001 / 18
• Subtask 6: 37.1243889072 / 56