Submission #891665

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
891665	2023-12-23 13:59:15	vjudge1	Mechanical Doll (IOI18_doll)	C++17	100 / 100	128 ms	17472 KiB

doll

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#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
using vi = vector<int>;
vi X, Y;
vector<pair<int, int> > VP;
int gen(int niv, int nr) {
    int id = X.size();
    X.push_back(0);
    Y.push_back(0);
    //cout << niv << " " << nr << "\n";
    if(niv == 1 && nr == 2) {
        return -id - 1; 
    } else if(niv == 1 && nr == 1) {
        X[id] = -1;
        return -id - 1;
    }
    
    if(nr <= (1 << (niv - 1))) {
        int S = gen(niv - 1, nr);
        Y[id] = S;
        X[id] = -1;
        return -id - 1;
    } else {
        Y[id] = gen(niv - 1, (1 << (niv - 1)));
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, vi)':
doll.cpp:49:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |         for(int i = 0; i < A.size(); ++i) {
      |                        ~~^~~~~~~~~~
doll.cpp:109:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  109 |         while((1 << niv) <= A.size()) ++niv;
      |               ~~~~~~~~~~~^~~~~~~~~~~

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