Submission #1157564

#	Time	Username	Problem	Language	Result	Execution time	Memory
1157564		thieunguyenhuy	Robot Contest (IOI23_robot)	C++20	16 / 100	73 ms	5592 KiB

robot

#include "robot.h"

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

#define POPCOUNT(n) (__builtin_popcountll((n)))
#define CLZ(n) (__builtin_clzll((n)))
#define CTZ(n) (__builtin_ctzll((n)))
#define LOG(n) (63 - __builtin_clzll((n)))
#define BIT(n, i) (((n) >> (i)) & 1ll)
#define MASK(i) (1ll << (i))
#define FLIP(n, i) ((n) ^ (1ll << (i)))
#define ON(n, i) ((n) | MASK(i))
#define OFF(n, i) ((n) & ~MASK(i))

#define Int __int128
#define fi first
#define se second

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<long long, long long> pll;
typedef pair<long long, int> pli;
typedef pair<int, long long> pil;
typedef vector<pair<int, int>> vii;
typedef vector<pair<long long, long long>> vll;
typedef vector<pair<long long, int>> vli;
typedef vector<pair<int, long long>> vil;

template <class T1, class T2> bool maximize(T1 &x, T2 y) {
    if (x < y) {
        x = y;
        return true;
    }
    return false;
}
template <class T1, class T2> bool minimize(T1 &x, T2 y) {
    if (x > y) {
        x = y;
        return true;
    }
    return false;
}

template <class T> void remove_duplicate(vector<T> &ve) {
    sort (ve.begin(), ve.end());
    ve.resize(unique(ve.begin(), ve.end()) - ve.begin());
}

mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
template <class T1, class T2> T1 random(T1 l, T2 r) {
    return uniform_int_distribution<T1>(l, r)(rng);
}
template <class T> T random(T r) {
    return rng() % r;
}

const int N = 1e6 + 5;
const int MOD = 1e9 + 7;
const int inf = 1e9;
const long long INF = 1e18;

const int WALL = -2;
const int TRAP = -1;
const int FREE = 0;

void backtrack(int index, vector<int> S, int Z, char A) {
    if (index == S.size()) {
        set_instruction(S, Z, A);
        return;
    }

    if (S[index] == -3 || S[index] == -4) {
        int can_zero = (S[index] != -4);
        for (int i = -2; i <= 1; ++i) {
            if (i == 0 && !can_zero) continue;
            S[index] = i;
            backtrack(index + 1, S, Z, A);
        }
    }
    else backtrack(index + 1, S, Z, A);
}

void add(vector<int> S, int Z, char A) {
    backtrack(0, S, Z, A);
}

void program_pulibot() {
    add({0, -3, -3, FREE, -3}, 1, 'E');
    add({0, -3, FREE, TRAP, -3}, 1, 'S');
    add({0, -3, FREE, WALL, -3}, 1, 'S');
    add({0, -3, WALL, TRAP, FREE}, 1, 'N');

    add({0, -3, WALL, WALL, -3}, 1, 'T');
}

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