Submission #1188323

#	Time	Username	Problem	Language	Result	Execution time	Memory
1188323		MatteoArcari	Robot Contest (IOI23_robot)	C++20	6 / 100	69 ms	5704 KiB

robot

#include "robot.h"
#include <bits/stdc++.h>
using namespace std;

const int MAX_COLOR = 19;
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;
}
map<int, int> used;

void set_instruction(vector<int> S, int Z, char A);
// {o < v > ^}

vector<int> s(5);

vector<int> all = {-1, -2, 0, 1, 2};
vector<int> nop = {-1, -2, 1};
vector<int> def = {-1, -2, 0};

void gen_instruction(vector<vector<int>> ps, int z, char a, int i = 0) {
    if (i == 5) {
        if (used[encode_state(s)]) return;
        used[encode_state(s)] = 1;
        set_instruction(s, z, a);
        return;
    }
    for (int inst: ps[i]) {
        s[i] = inst;
        gen_instruction(ps, z, a, i + 1);
    }
}

void program_pulibot() {
    
    gen_instruction({{1, 2}, {-2}, def, {1}, {-2}}, 1, 'T');
    gen_instruction({{1, 2}, {-2}, {1}, def, {-2}}, 1, 'T');

    gen_instruction({{0}, all, {0}, {0}, all}, 2, 'S');
    gen_instruction({{2}, all, {0}, {0}, all}, 1, 'E');

    gen_instruction({{0}, all, {0}, nop, all}, 1, 'S');
    gen_instruction({{0}, all, nop, {0}, all}, 1, 'E');

    // path found
    gen_instruction({{0}, def, {-2}, {-2}, {1, 2}}, 1, 'N');
    gen_instruction({{0}, {1, 2}, {-2}, {-2}, def}, 1, 'W');

    // blocked
    gen_instruction({{0}, def, nop, nop, {1, 2}}, 0, 'N');
    gen_instruction({{0}, {1, 2}, nop, nop, def}, 0, 'W');

    // back with path
    gen_instruction({{1, 2}, all, {1}, def, {1, 2}}, 1, 'N');
    gen_instruction({{1, 2}, all, def, {1}, {1, 2}}, 1, 'N');

    gen_instruction({{1, 2}, {1, 2}, {1}, def, all}, 1, 'W');
    gen_instruction({{1, 2}, {1, 2}, def, {1}, all}, 1, 'W');

    // back no path
    gen_instruction({{1}, all, {0}, nop, {1, 2}}, 0, 'N');
    gen_instruction({{1}, all, nop, {0}, {1, 2}}, 0, 'N');
    gen_instruction({{1}, all, {0}, {0}, {1, 2}}, 0, 'N');

    gen_instruction({{1}, {1, 2}, {0}, nop, all}, 0, 'W');
    gen_instruction({{1}, {1, 2}, nop, {0}, all}, 0, 'W');
    gen_instruction({{1}, {1, 2}, {0}, {0}, all}, 0, 'W');
}

• Subtask 0: 0 / 0
• Subtask 1: 6 / 6
• Subtask 2: 0 / 10
• Subtask 3: 0 / 18
• Subtask 4: 0 / 20
• Subtask 5: 0 / 46