#ifdef _DEBUG
#include <vector>
#include <string>
void construct_network(int H, int W, int K);
int add_and(std::vector<int> Ns);
int add_or(std::vector<int> Ns);
int add_xor(std::vector<int> Ns);
int add_not(int N);
#endif
#ifndef _DEBUG
#include "vision.h"
#endif
#include <bits/stdc++.h>
using namespace std;
void construct_network(int H, int W, int K)
{
int def_zero = add_and({0, 1, 2});
int def_one = add_not(def_zero);
vector<int> xor_single;
for (int i = 0; i < H; i++)
{
vector<int> indices;
for (int j = 0; j < W; j++)
{
indices.push_back(i * W + j);
}
xor_single.push_back(add_xor(indices));
}
for (int j = 0; j < W; j++)
{
vector<int> indices;
for (int i = 0; i < H; i++)
{
indices.push_back(i * W + j);
}
xor_single.push_back(add_xor(indices));
}
assert(xor_single.size() == W + H);
vector<int> xor_prefix;
vector<int> indices;
for (int i = 0; i < W + H; i++)
{
indices.push_back(xor_single[i]);
xor_prefix.push_back(add_xor(indices));
}
assert(xor_prefix.size() == W + H);
vector<int> bits;
for (int k = 0; k <= 8; k++)
{
int carry = def_zero;
if (K & (1 << k))
bits.push_back(add_xor(xor_prefix));
else
bits.push_back(add_not(add_xor(xor_prefix)));
vector<int> new_xor_prefix;
for (int i = 0; i < W + H; i++)
{
new_xor_prefix.push_back(add_and({carry, xor_prefix[i]}));
carry = add_xor({carry, xor_prefix[i]});
}
xor_prefix = new_xor_prefix;
}
cout << "bits: ";
for (int i = 0; i < bits.size(); i++)
cout << bits[i] << " ";
cout << "\n";
add_and(bits);
}
#ifdef _DEBUG
static const int MAX_INSTRUCTIONS = 10000;
static const int MAX_INPUTS = 1000000;
static const int _AND = 0;
static const int _OR = 1;
static const int _XOR = 2;
static const int _NOT = 3;
static inline bool increasing(int a, int b, int c)
{
return a <= b && b <= c;
}
[[noreturn]] static inline void error(string message)
{
printf("%s\n", message.c_str());
exit(0);
}
class InstructionNetwork
{
struct Instruction
{
int type;
vector<int> input_indexes;
inline Instruction(int _type, const vector<int> &_input_indexes) : type(_type), input_indexes(_input_indexes)
{
}
inline int apply(int a, int b) const
{
switch (type)
{
case _AND:
return a & b;
case _OR:
return a | b;
case _XOR:
return a ^ b;
default:
return 0;
}
}
inline int compute(const vector<int> &memory_cells) const
{
int r = memory_cells[input_indexes[0]];
if (type == _NOT)
return 1 - r;
for (int j = 1; j < (int)input_indexes.size(); j++)
r = apply(r, memory_cells[input_indexes[j]]);
return r;
}
};
int input_size;
int total_inputs;
vector<Instruction> instructions;
public:
inline void init(int _input_size)
{
this->input_size = _input_size;
this->total_inputs = 0;
this->instructions.clear();
}
inline int add_instruction(int type, const vector<int> &input_indexes)
{
if (input_indexes.size() == 0)
error("Instruction with no inputs");
if (instructions.size() + 1 > MAX_INSTRUCTIONS)
error("Too many instructions");
if (total_inputs + input_indexes.size() > MAX_INPUTS)
error("Too many inputs");
instructions.emplace_back(type, input_indexes);
total_inputs += input_indexes.size();
int new_index = input_size + (int)instructions.size() - 1;
for (int input_index : input_indexes)
if (!increasing(0, input_index, new_index - 1))
error("Invalid index");
return new_index;
}
inline int compute(vector<int> &memory_cells) const
{
for (auto &instruction : instructions)
memory_cells.push_back(instruction.compute(memory_cells));
return memory_cells.back();
}
};
static InstructionNetwork instructionNetwork;
int main()
{
int H, W, K;
assert(3 == scanf("%d%d%d", &H, &W, &K));
FILE *log_file = fopen("log.txt", "w");
instructionNetwork.init(H * W);
construct_network(H, W, K);
while (true)
{
int rowA, colA, rowB, colB;
assert(1 == scanf("%d", &rowA));
if (rowA == -1)
break;
assert(3 == scanf("%d%d%d", &colA, &rowB, &colB));
if ((!increasing(0, rowA, H - 1)) ||
(!increasing(0, colA, W - 1)) ||
(!increasing(0, rowB, H - 1)) ||
(!increasing(0, colB, W - 1)) ||
(rowA == rowB && colA == colB))
{
printf("-1\n");
fprintf(log_file, "-1\n");
fflush(stdout);
fflush(log_file);
continue;
}
vector<int> memory_cells;
for (int row = 0; row < H; row++)
for (int col = 0; col < W; col++)
{
bool active = (row == rowA && col == colA) || (row == rowB && col == colB);
memory_cells.push_back(active ? 1 : 0);
}
int computation_result = instructionNetwork.compute(memory_cells);
printf("%d\n", computation_result);
fflush(stdout);
for (int i = 0; i < (int)memory_cells.size(); i++)
fprintf(log_file, (i ? " %d" : "%d"), memory_cells[i]);
fprintf(log_file, "\n");
fflush(log_file);
}
fclose(stdin);
}
int add_and(vector<int> Ns)
{
return instructionNetwork.add_instruction(_AND, Ns);
}
int add_or(vector<int> Ns)
{
return instructionNetwork.add_instruction(_OR, Ns);
}
int add_xor(vector<int> Ns)
{
return instructionNetwork.add_instruction(_XOR, Ns);
}
int add_not(int N)
{
vector<int> Ns = {N};
return instructionNetwork.add_instruction(_NOT, Ns);
}
#endif
Compilation message
In file included from /usr/include/c++/10/cassert:44,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
from vision.cpp:20:
vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:50:27: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
50 | assert(xor_single.size() == W + H);
| ~~~~~~~~~~~~~~~~~~^~~~~~~~
vision.cpp:60:27: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
60 | assert(xor_prefix.size() == W + H);
| ~~~~~~~~~~~~~~~~~~^~~~~~~~
vision.cpp:81:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
81 | for (int i = 0; i < bits.size(); i++)
| ~~^~~~~~~~~~~~~
vision.cpp:27:6: warning: unused variable 'def_one' [-Wunused-variable]
27 | int def_one = add_not(def_zero);
| ^~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
212 KB |
secret mismatch |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
212 KB |
secret mismatch |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
212 KB |
secret mismatch |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
212 KB |
secret mismatch |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
5 ms |
724 KB |
secret mismatch |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
212 KB |
secret mismatch |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
20 ms |
2540 KB |
secret mismatch |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
212 KB |
secret mismatch |
| 2 |
Halted |
0 ms |
0 KB |
- |
