#include<bits/stdc++.h>
using namespace std;
void set_instruction(vector<int> S, int Z, char A);
void program_pulibot()
{
/*
set_instruction({0, -2, 0, 0, -2}, 1, 'E');
set_instruction({0, 1, 0, 0, -2}, 1, 'E');
set_instruction({0, 1, 0, -2, -2}, 1, 'S');
set_instruction({0, 0, 0, -2, 1}, 1, 'S');
set_instruction({0, 0, -2, -2, 1}, 1, 'T');
*/
/*
for(int i=-2;i<=1;i++){
for(int j=-2;j<=1;j++){
for(int k=-2;k<=1;k++){
set_instruction({0,i,j,0,k},1,'E');
}
}
}
for(int i=-2;i<=1;i++){
for(int j=-1;j<=1;j++){
set_instruction({0,i,j,-1,-2},1,'S');
}
}
for(int i=-2;i<=1;i++){
for(int j=-1;j<=1;j++){
set_instruction({0,i,j,-2,-2},1,'S');
}
}
for(int i=-2;i<=1;i++){
for(int j=-1;j<=1;j++){
set_instruction({0,i,-2,-1,j},1,'N');
}
}
for(int i=-2;i<=1;i++){
for(int j=-1;j<=1;j++){
set_instruction({0,i,-2,-2,j},1,'T');
}
}
*/
set<vector<int>> tmp;
for(int i=-2;i<=2;i++){
for(int j=-2;j<=2;j++){
for(int k=-2;k<=2;k++){
tmp.insert({0,i,0,j,k,1,'S'});
if(j!=0 && (j!=-2 || k!=-2))
tmp.insert({0,i,j,k,0,1,'N'});
if(j!=0 && k!=0)
tmp.insert({0,i,j,0,k,1,'E'});
if(j!=0 && k!=0 && i!=0 && (i!=-2 || j!=-2))
tmp.insert({0,0,i,j,k,1,'W'});
}
}
}
for(int i=-2;i<=2;i++){
for(int j=-2;j<=2;j++){
for(int k=-2;k<=2;k++){
if(i==0 || i==1)continue;
if(j==0 || j==1)continue;
if(k==0 || k==1)continue;
tmp.insert({0,i,1,j,k,2,'S'});
if(j!=-2 || k!=-2)
tmp.insert({0,i,j,k,1,2,'N'});
//else
//tmp.insert({0,i,j,k,1,1,'T'});
tmp.insert({0,i,j,1,k,2,'E'});
if(i!=-2 || j!=-2)
tmp.insert({0,1,i,j,k,2,'W'});
tmp.insert({1,i,1,j,k,2,'S'});
if(j!=-2 || k!=-2)
tmp.insert({1,i,j,k,1,2,'N'});
//else
//tmp.insert({0,i,j,k,1,1,'T'});
tmp.insert({1,i,j,1,k,2,'E'});
if(i!=-2 || j!=-2)
tmp.insert({1,1,i,j,k,2,'W'});
}
}
}
for(int i=-2;i<=2;i++){
for(int j=-2;j<=2;j++){
tmp.insert({0,i,-2,-2,j,1,'T'});
}
}
for(auto i : tmp){
char c = i.back();
i.pop_back();
int z = i.back();
i.pop_back();
set_instruction(i,z,c);
}
}
/*
static const int MAX_COLOR = 19;
static const int MAX_STATE = 5153632; // = (MAX_COLOR + 3) ^ 5
static const int MAX_STEPS = 500000;
static std::ofstream output;
[[noreturn]] static void die(const std::string &message)
{
std::cout << message << "\n";
output.close();
exit(0);
}
[[noreturn]] static void pv(const std::string &message)
{
die("Protocol Violation: " + message);
}
static int encode_state(const std::vector<int> &S)
{
int state = 0;
for (int s : S)
{
state = (MAX_COLOR + 3) * state + s + 2;
}
return state;
}
struct instruction
{
char color;
char action;
};
static int encode_instr(instruction instr)
{
if (!instr.action)
{
return 0;
}
int index = std::string("HWSENT").find_first_of(instr.action) + 1;
return (index << 5) | instr.color;
}
static instruction program[MAX_STATE];
void set_instruction(std::vector<int> S, int Z, char A)
{
if (S.size() != 5)
{
pv("Invalid array");
}
for (int s : S)
{
if (s < -2 || s > MAX_COLOR)
{
pv("Invalid array");
}
}
if (Z < 0 || Z > MAX_COLOR)
{
pv("Invalid color");
}
if (std::string("HWSENT").find_first_of(A) == std::string::npos)
{
pv("Invalid action");
}
int code = encode_state(S);
if (program[code].action)
{
pv("Same state array");
}
program[code].color = Z;
program[code].action = A;
}
static std::vector<std::vector<int>> cells;
static int H, W;
static int rx = 1, ry = 1;
static bool step(instruction instr)
{
cells[rx][ry] = instr.color;
switch (instr.action)
{
case 'H':
break;
case 'W':
ry--;
break;
case 'S':
rx++;
break;
case 'E':
ry++;
break;
case 'N':
rx--;
break;
case 'T':
return true;
}
if (cells[rx][ry] < 0)
{
die("Invalid move");
}
return false;
}
int main()
{
std::string line;
std::getline(std::cin, line);
std::istringstream line_ss(line);
assert((line_ss >> H >> W) && (line_ss >> std::ws).eof());
cells.resize(H + 2, std::vector<int>(W + 2));
for (int j = 0; j <= W + 1; j++)
{
cells[0][j] = cells[H + 1][j] = -2;
}
for (int i = 1; i <= H; i++)
{
cells[i][0] = cells[i][W + 1] = -2;
std::getline(std::cin, line);
line_ss.str(line);
line_ss.clear();
for (int j = 1; j <= W; j++)
{
bool cell;
line_ss >> cell;
cells[i][j] = cell ? -1 : 0;
}
assert(line_ss && (line_ss >> std::ws).eof());
}
program_pulibot();
output.open("robot.bin", std::ios::binary);
output.put(H).put(W);
for (int i = 1; i <= H; i++)
{
for (int j = 1; j <= W; j++)
{
output.put(cells[i][j]);
}
}
bool done = false;
int steps = 0;
while (!done && ++steps <= MAX_STEPS)
{
std::vector<int> state = {
cells[rx][ry],
cells[rx][ry - 1],
cells[rx + 1][ry],
cells[rx][ry + 1],
cells[rx - 1][ry]};
instruction instr = program[encode_state(state)];
output.put(encode_instr(instr));
if (!instr.action)
{
die("Unexpected state");
}
done = step(instr);
}
if (!done)
{
output.put(0xE0);
die("Too many steps");
}
for (int i = 1; i <= H; i++)
{
for (int j = 1; j <= W; j++)
{
std::cout << std::setw(2) << cells[i][j] << (j == W ? "\n" : " ");
}
}
}
*/
Compilation message
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/10/../../../x86_64-linux-gnu/crt1.o: in function `_start':
(.text+0x24): undefined reference to `main'
/usr/bin/ld: /tmp/ccBviV2f.o: in function `program_pulibot()':
robots.cpp:(.text+0x141c): undefined reference to `set_instruction(std::vector<int, std::allocator<int> >, int, char)'
collect2: error: ld returned 1 exit status
