Ohjelma

input/code.cpp: In function 'int main()':
input/code.cpp:60:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0;i < solutions.size();i++)
                                   ^

#include <iostream>
#include <vector>
#include <algorithm>


int min_level = 0x00FFFFFF;

struct btree
{
	btree* parent;
	btree* right;
	btree* left;
	int rl;
	int level;
	int value;
};

btree* start_node;
std::vector<btree*> solutions;
std::vector<unsigned char> reversed_steps;

void build_steps(btree* node,int req)
{
	if(node->value == req)
	{
		solutions.push_back(node);
		min_level = node->level;
		return;
	}
	if(node->value > req || node->level >= min_level)
		return;
	node->right = new btree;
	node->left = new btree;
	node->right->value = node->value * 2;
	node->right->rl = 1;
	node->left->rl = 0;
	node->left->value = node->value + 3;
	node->right->level = node->left->level = node->level + 1;
	node->right->parent = node->left->parent = node;
	build_steps(node->right,req);
	build_steps(node->left,req);
}


int main()
{
	int n;
	std::cin >> n;
	if(n % 3 == 0)
	{
		std::cout << '0';
		return 0;
	}
	start_node = new btree;
	start_node->value = 1;
	start_node->level = 0;
	build_steps(start_node,n);
	btree* quickest = (btree*)NULL;
	int quickest_steps = 0x00FFFFFFF;
	for(int i = 0;i < solutions.size();i++)
	{
		if(solutions[i]->level < quickest_steps)
		{
			quickest = solutions[i];
			quickest_steps = solutions[i]->level;
		}
	}
	reversed_steps.push_back(2); 
	btree* next = quickest;
	while(next != start_node)
	{
		if(next->rl == 1)
			reversed_steps.push_back(1);
		else
			reversed_steps.push_back(0);
		next = next->parent;
	}
	for(int i = reversed_steps.size()-1;i >= 0;i--)
	{
		if(reversed_steps[i] == 0)
			std::cout << "ADD\n";
		else if(reversed_steps[i] == 1)
			std::cout << "MUL\n";
		else
			std::cout << "END\n";
	}
	return 0;
}

Test 1

Group: 1

Verdict: WRONG ANSWER

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: WRONG ANSWER

Test 4

Group: 1

Verdict: WRONG ANSWER

Test 5

Group: 1

Verdict: WRONG ANSWER

Test 6

Group: 1

Verdict: WRONG ANSWER

Test 7

Group: 1

Verdict: ACCEPTED

Test 8

Group: 1

Verdict: ACCEPTED

Test 9

Group: 1

Verdict: ACCEPTED

Test 10

Group: 1

Verdict: WRONG ANSWER

Test 11

Group: 2

Verdict: ACCEPTED

Test 12

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 13

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 14

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 15

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 16

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 17

Group: 2

Verdict: ACCEPTED

Test 18

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 19

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 20

Group: 2

Verdict: ACCEPTED

Test 21

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 22

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 23

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 24

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 25

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 26

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 27

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 28

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 29

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 30

Group: 3

Verdict: TIME LIMIT EXCEEDED