Submission #119240

#	Time	Username	Problem	Language	Result	Execution time	Memory
119240		joseacaz	Mechanical Doll (IOI18_doll)	C++17	47 / 100	131 ms	10308 KiB

doll

#include "doll.h"
#include <bits/stdc++.h>
#define MAXM 100005

using namespace std;

int N, M, S, cnt;
vector < int > A, C, X, Y;
vector < int > r ( 1, 1 );

void max_self ( int& _a, int _b )
{
	_a = max ( _a, _b );
}

void create_circuit ( int _M, vector <int> _A )
{
	N = _A.size();
	M = _M;
	swap ( A, _A );
	C.resize ( M + 1 );
	C[0] = A[0];
	for ( int i = 1; i <= M; i++ )
		C[i] = -1;
	
	vector < int > aux;
	while ( 2 * r.size() < A.size() )
	{
		aux.clear();
		for ( auto i : r )
			aux.push_back ( 2*i );
		for ( auto i : r )
			aux.push_back ( 2*i + 1 );
		swap ( aux, r );
	}

	X.resize ( 2*r.size() - 1, -1 );
	Y.resize ( 2*r.size() - 1, -1 );
	Y[r[r.size() - 1] - 1] = 0;

	for ( int i = 1; i < r[0]; i++ )
	{
		X[i - 1] = -(2*i);
		Y[i - 1] = -(2*i + 1);
	}

	for ( auto i : r )
	{
		cnt++;
		if ( cnt >= A.size() )
			break;
		X[i - 1] = A[cnt];
	}
	for ( auto i : r )
	{
		cnt++;
		if ( cnt >= A.size() )
			break;
		Y[i - 1] = A[cnt];
	}

	answer ( C, X, Y );
}

Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:50:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |   if ( cnt >= A.size() )
      |        ~~~~^~~~~~~~~~~
doll.cpp:57:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |   if ( cnt >= A.size() )
      |        ~~~~^~~~~~~~~~~

• Subtask 1: 0 / 2
• Subtask 2: 0 / 4
• Subtask 3: 0 / 10
• Subtask 4: 10 / 10
• Subtask 5: 9.0000000036 / 18
• Subtask 6: 28.0000000112 / 56