Submission #1047527

#	Time	Username	Problem	Language	Result	Execution time	Memory
1047527		0npata	Robot Contest (IOI23_robot)	C++17	25 / 100	77 ms	6220 KiB

robot

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

#define arr array
#define vec vector

#define si set_instruction

// east, south, west, north
pair<char, int> get_action(arr<int, 5> state) {
	map<int, char> dir;
	dir[1] = 'E';
	dir[2] = 'S';
	dir[3] = 'W';
	dir[4] = 'N';
	dir[-1] = 'T';
	arr<int, 5> focc{-1, -1, -1, -1, -1};
	for(int j = 0; j<5; j++) {
		for(int i = 1; i<5; i++) {
			if(state[i] == j) {
				focc[j] = i;
				break;
			}
		}
	}

	if(focc[1] != -1) {
		if(state[3] == -2 && state[4] == -2) return {'T', 1};
	//	assert(focc[2] != -1);
		return {dir[focc[2]], 1};
	}

	if(state[0] == 0 || state[0] == 2) {
		if(state[1] == -2 && state[2] == -2) {
			return {dir[focc[2]], 1};
		}

		if(focc[0] == -1) {
			return {dir[focc[2]], 3};
		}

		return {dir[focc[0]], 2};
	}


	return {'T', 1};
}

// 1 - path
// 2 - processing
// 3 - visited
// 4 - cleaning up



void all_state(arr<int, 5> cur, int i) {
	if(i==5) {
		auto action = get_action(cur);
		//cerr << action.second << ' ' << action.first << '\n';
		set_instruction({cur[0], cur[3], cur[2], cur[1], cur[4]}, action.second, action.first);
		return;
	}
	vec<int> pos{-2, -1, 0, 1, 2, 3, 4};
	for(int val : pos) {
		cur[i] = val;
		all_state(cur, i+1);
	}
}

// self, west, south, east, north
void program_pulibot()
{
	all_state({0, 0, 0, 0, 0}, 0);
}

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