Submission #1020935

#	Time	Username	Problem	Language	Result	Execution time	Memory
1020935		fv3	Mechanical Doll (IOI18_doll)	C++14	6 / 100	36 ms	7208 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, Y;

	int last = 0;
	for (int i = 0; i < A.size(); i++)	
	{
		if (C[last])
		{
			X.push_back(C[last]);
			Y.push_back(A[i]);

			C[last] = -X.size();
		}
		else
		{
			C[last] = A[i];
		}

		last = A[i];
	}

	if (C[last])
	{
		X.push_back(C[last]);
		Y.push_back(0);

		C[last] = -X.size();	
	}
	else
	{
		C[last] = 0;
	}

	answer(C, X, Y);
}

Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:12:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |  for (int i = 0; i < A.size(); i++)
      |                  ~~^~~~~~~~~~

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