제출 #856186

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
856186		Sorting	로봇 대회 (IOI23_robot)	C++17	컴파일 에러	0 ms	0 KiB

robot

#include "robot.h"
#include <vector>

using namespace std;

void set_from_states(int curr, int west, int south, int east, int north){
    vector<int> states{curr, west, south, east, north};
    if(east == -2 && south == -2){
        if(curr == 0){
            char dir = 'X';
            if(east == 1)dir = 'E';
            if(west == 1)dir = 'W';
            if(north == 1)dir = 'N';
            if(south == 1)dir = 'S';
            set_instruction(states, 3, dir);
            return;
        }
        set_instruction(states, 1, 'T');
        return;
    }

    if(curr == 2){
        char dir = 'X';
        if(east == 2) dir = 'E';
        if(west == 2) dir = 'W';
        if(north == 2)dir = 'N';
        if(south == 2)dir = 'S';

        if(dir != 'X'){
            set_instruction(states, 4, dir);
            return;
        }
        
        if(east == 4) dir = 'E';
        if(west == 4) dir = 'W';
        if(north == 4)dir = 'N';
        if(south == 4)dir = 'S';
        set_instruction(states, 0, dir);
        return;
    }
    if(curr == 4){
        char dir = 'X';
        if(east == 3) dir = 'E';
        if(west == 3) dir = 'W';
        if(north == 3)dir = 'N';
        if(south == 3)dir = 'S';

        if(dir != 'X'){
            set_instruction(states, 0, dir);
            return;
        }

        if(east == 4) dir = 'E';
        if(west == 4) dir = 'W';
        if(north == 4)dir = 'N';
        if(south == 4)dir = 'S';
        set_instruction(states, 0, dir);
        return;
    }

    if(curr == 0){
        char dir = 'X';
        if(east == 0) dir = 'E';
        if(west == 0) dir = 'W';
        if(north == 0)dir = 'N';
        if(south == 0)dir = 'S';

        if(dir != 'X'){
            set_instruction(states, 1, dir);
            return;
        }

        if(east == 1)dir = 'E';
        if(west == 1)dir = 'W';
        if(north == 1)dir = 'N';
        if(south == 1)dir = 'S';

        set_instruction(states, 2, dir);
        return;
    }
    if(curr == 1){
        int count_3 = 0;
        count_3 += east == 3;
        count_3 += west == 3;
        count_3 += north == 3;
        count_3 += south == 3;

        if(count_3){
            char dir = 'X';
            if(east == 2) dir = 'E';
            if(west == 2) dir = 'W';
            if(north == 2)dir = 'N';
            if(south == 2)dir = 'S';

            if(dir != 'X'){
                set_instruction(states, 3, dir);
                return;
            }
            
            char dir = 'X';
            if(east == 1) dir = 'E';
            if(west == 1) dir = 'W';
            if(north == 1)dir = 'N';
            if(south == 1)dir = 'S';
            set_instruction(states, 3, dir);
            return;
        }

        char dir = 'X';
        if(east == 0) dir = 'E';
        if(west == 0) dir = 'W';
        if(north == 0)dir = 'N';
        if(south == 0)dir = 'S';

        if(dir != 'X'){
            set_instruction(states, 1, dir);
            return;
        }

        char dir = 'X';
        if(east == 1) dir = 'E';
        if(west == 1) dir = 'W';
        if(north == 1)dir = 'N';
        if(south == 1)dir = 'S';

        set_instruction(states, 2, dir);
        return;
    }
    if(curr == 3){
        char dir = 'X';
        if(east == 3) dir = 'E';
        if(west == 3) dir = 'W';
        if(north == 3)dir = 'N';
        if(south == 3)dir = 'S';
        set_instruction(states, 1, dir);
        return;
    }
}

void program_pulibot()
{
    for(int curr = 0; curr <= 4; ++curr){
        for(int east = -2; east <= 4; ++east){
            for(int south = -2; south <= 4; ++south){
                for(int north = -2; north <= 4; ++north){
                    for(int west = -2; west <= 4; ++west){
                        set_from_states(curr, west, south, east, north);
                    }
                }
            }
        }
    }
}

컴파일 시 표준 에러 (stderr) 메시지

robot.cpp: In function 'void set_from_states(int, int, int, int, int)':
robot.cpp:100:18: error: redeclaration of 'char dir'
  100 |             char dir = 'X';
      |                  ^~~
robot.cpp:89:18: note: 'char dir' previously declared here
   89 |             char dir = 'X';
      |                  ^~~
robot.cpp:120:14: error: redeclaration of 'char dir'
  120 |         char dir = 'X';
      |              ^~~
robot.cpp:109:14: note: 'char dir' previously declared here
  109 |         char dir = 'X';
      |              ^~~