Submission #30284774

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for(int i = 0; i < (n); ++i)

std::vector<std::string> split(const std::string& text, const char delim);

using ll = long long int;
using llu = unsigned long long int;

enum class Task : char {
    MOVE = 'S',
    ROTATE = 'R',
};

enum class Direction : int {
    UP = 0,
    DOWN,
    LEFT,
    RIGHT,
    SIZE,
};

struct Point{
    Point(const int y, const int x):y(y),x(x){};
    int y;
    int x;
};

const map<Direction, Point> dir_map = {
    make_pair(Direction::UP, Point(1, 0)),
    make_pair(Direction::DOWN, Point(-1, 0)),
    make_pair(Direction::LEFT, Point(0, -1)),
    make_pair(Direction::RIGHT, Point(0, 1)),
};

struct Person{
    Person(const int y, const int x, const Direction dir):point(y, x),dir(dir){
    };

    void move(){
        Point distance = dir_map.at(this->dir);
        this->point.y += distance.y;
        this->point.x += distance.x;
    };

    void rotate(){
        if (this->dir == Direction::UP) {
            this->dir = Direction::RIGHT;
        } else if (this->dir == Direction::DOWN) {
            this->dir = Direction::LEFT;
        } else if (this->dir == Direction::LEFT) {
            this->dir = Direction::UP;
        } else if (this->dir == Direction::RIGHT) {
            this->dir = Direction::DOWN;
        }
    };

    Direction dir;
    Point point;
};

int main(){
    string buffer;
    getline(cin, buffer);
    const int N = stoi(buffer);

    getline(cin, buffer);
    const string T(std::move(buffer));

    Person person(0, 0, Direction::RIGHT);

    for (const char task : T) {
        if (static_cast<Task>(task) == Task::MOVE) {
            person.move();
        } else if (static_cast<Task>(task) == Task::ROTATE) {
            person.rotate();
        }
    }

    cout << person.point.x << " " << person.point.y << endl;

    return 0;
}

std::vector<std::string> split(const std::string& text, const char delim) {
    std::vector<std::string> item_list;
    std::stringstream ss(text);
    std::string buffer;

    while ( std::getline(ss, buffer, delim) ) {
        if (!buffer.empty()) {
                item_list.emplace_back(buffer);
        }
    }

    return item_list;
}

Submission Info

Compile Error

./Main.cpp: In constructor ‘Person::Person(int, int, Direction)’:
./Main.cpp:59:11: warning: ‘Person::point’ will be initialized after [-Wreorder]
   59 |     Point point;
      |           ^~~~~
./Main.cpp:58:15: warning:   ‘Direction Person::dir’ [-Wreorder]
   58 |     Direction dir;
      |               ^~~
./Main.cpp:37:5: warning:   when initialized here [-Wreorder]
   37 |     Person(const int y, const int x, const Direction dir):point(y, x),dir(dir){
      |     ^~~~~~
./Main.cpp: In function ‘int main()’:
./Main.cpp:65:15: warning: unused variable ‘N’ [-Wunused-variable]
   65 |     const int N = stoi(buffer);
      |               ^

Judge Result