Submission #1038917

#	Time	Username	Problem	Language	Result	Execution time	Memory
1038917		Zicrus	Robot Contest (IOI23_robot)	C++17	25 / 100	95 ms	5940 KiB

robot

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

typedef long long ll;

// Cur, W, S, E, N

unordered_set<ll> check;

void instruct(vector<int> s, int z, char a, bool exp) {
    vector<int> nw;
    vector<vector<int>> scenarios(1, vector<int>(5));
    for (int i = 0; i < 5; i++) {
        scenarios[0][i] = s[i] == -9 ? -2 : s[i];
    }
    for (int i = 0; i < 5; i++) {
        ll sz = scenarios.size();
        if (s[i] == -1 && !exp) {
            for (int j = 0; j < sz; j++) {
                nw = scenarios[j];
                nw[i] = -2;
                scenarios.push_back(nw);
                nw[i] = 2;
                scenarios.push_back(nw);
            }
        }
        if (s[i] == -9) {
            for (int j = 0; j < sz; j++) {
                nw = scenarios[j];
                nw[i] = -1;
                scenarios.push_back(nw);
                nw[i] = 0;
                scenarios.push_back(nw);
                nw[i] = 1;
                scenarios.push_back(nw);
                nw[i] = 2;
                scenarios.push_back(nw);
            }
        }
    }

    for (auto &e : scenarios) {
        ll id = ((e[0] & 15) << (4 * 4)) | ((e[1] & 15) << (4 * 3)) | ((e[2] & 15) << (4 * 2)) | ((e[3] & 15) << (4 * 1)) | ((e[4] & 15) << (4 * 0));
        if (check.count(id)) continue;
        check.insert(id);
        set_instruction(e, z, a);
    }
}

// Cur, W, S, E, N

void program_pulibot() {
    instruct({-9, -9, -2, -2, -9}, 1, 'T', false);
    
    instruct({-9, -9, -9, 0, -9}, 1, 'E', false);
    instruct({-9, -9, 0, -9, -9}, 1, 'S', false);
    instruct({-9, 0, -9, -9, -9}, 1, 'W', false);
    instruct({-9, -9, -9, -9, 0}, 1, 'N', false);

    instruct({-9, 1, -1, -1, -1}, 2, 'W', false);
    instruct({-9, -1, -1, -1, 1}, 2, 'N', false);
    instruct({-9, -1, -1, 1, -1}, 2, 'E', false);
    instruct({-9, -1, 1, -1, -1}, 2, 'S', false);
}

• Subtask 0: 0 / 0
• Subtask 1: 6 / 6
• Subtask 2: 10 / 10
• Subtask 3: 9 / 18
• Subtask 4: 0 / 20
• Subtask 5: 0 / 46