Submission #1020910

#	Time	Username	Problem	Language	Result	Execution time	Memory
1020910		fv3	Mechanical Doll (IOI18_doll)	C++14	0 / 100	21 ms	4288 KiB

doll

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

using namespace std;

void create_circuit(int M, vector<int> A) 
{
	vector<int> C(M + 1);
	vector<int> X(M), Y(M);

	for (int i = 0; i < M; i++)
		X[i] = -i - 1;

	C[0] = A[0];
	int last = A[0];
	for (int i = 1; i < A.size(); i++)
	{
		C[last] = -last;

		if (!Y[last - 1])
		{
			Y[last-1] = A[i];
			X[last-1] = -last;
		}
		else
		{
			X[last-1] = Y[last-1];
			Y[last-1] = A[i];
		}

		last = A[i];
	}

	C[last] = -last;
	if (!Y[last - 1])
	{
		Y[last-1] = 0;
		X[last-1] = -last;
	}
	else
	{
		X[last-1] = Y[last-1];
		Y[last-1] = 0;
	}

	answer(C, X, Y);
}

//#include "DollGrader.cpp"

Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:16:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |  for (int i = 1; i < A.size(); i++)
      |                  ~~^~~~~~~~~~

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