Submission #1188285

#TimeUsernameProblemLanguageResultExecution timeMemory
1188285MatteoArcariRobot Contest (IOI23_robot)C++20
16 / 100
65 ms5592 KiB
#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}; vector<int> blocked = {-1, -2, 1}; 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() { // v if possible, otherwise >, otherwise ^ gen_instruction({{0}, all, {-2}, {-2}, all}, 1, 'T'); gen_instruction({{0}, all, all, {0}, all}, 1, 'E'); gen_instruction({{0}, all, {0}, blocked, blocked}, 1, 'S'); gen_instruction({{0}, all, blocked, blocked, {0}}, 1, 'N'); }
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