結果
| 問題 | No.5015 Escape from Labyrinth |
| ユーザー |
 platinum
|
| 提出日時 | 2023-03-07 19:22:13 |
| 言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 7,831 bytes |
| コンパイル時間 | 2,908 ms |
| コンパイル使用メモリ | 230,792 KB |
| 実行使用メモリ | 4,500 KB |
| スコア | 0 |
| 最終ジャッジ日時 | 2023-04-15 11:30:20 |
| 合計ジャッジ時間 | 8,011 ms |
|
ジャッジサーバーID （参考情報） |
judge13 / judge14 |
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| ファイルパターン | 結果 |
|---|---|
| other | WA * 100 |
コンパイルメッセージ
main.cpp: 関数 ‘int main()’ 内:
main.cpp:327:25: 警告: ‘gx’ may be used uninitialized [-Wmaybe-uninitialized]
327 | res += find_path(ky, kx, gy, gx);
| ~~~~~~~~~^~~~~~~~~~~~~~~~
main.cpp:298:33: 備考: ‘gx’ はここで定義されています
298 | int sy, sx, ky, kx, gy, gx;
| ^~
main.cpp:327:25: 警告: ‘gy’ may be used uninitialized [-Wmaybe-uninitialized]
327 | res += find_path(ky, kx, gy, gx);
| ~~~~~~~~~^~~~~~~~~~~~~~~~
main.cpp:298:29: 備考: ‘gy’ はここで定義されています
298 | int sy, sx, ky, kx, gy, gx;
| ^~
main.cpp:327:25: 警告: ‘kx’ may be used uninitialized [-Wmaybe-uninitialized]
327 | res += find_path(ky, kx, gy, gx);
| ~~~~~~~~~^~~~~~~~~~~~~~~~
main.cpp:298:25: 備考: ‘kx’ はここで定義されています
298 | int sy, sx, ky, kx, gy, gx;
| ^~
main.cpp:327:25: 警告: ‘ky’ may be used uninitialized [-Wmaybe-uninitialized]
327 | res += find_path(ky, kx, gy, gx);
| ~~~~~~~~~^~~~~~~~~~~~~~~~
main.cpp:298:21: 備考: ‘ky’ はここで定義されています
298 | int sy, sx, ky, kx, gy, gx;
| ^~
コンストラクタ ‘Player::Player(int, int, int)’ 内,
inlined from ‘int main()’ at main.cpp:312:25:
main.cpp:69:46: 警告: ‘sx’ may be used uninitialized [-Wmaybe-uninitialized]
69 | Player(int y, int x, int hp) : y(y), x(x), hp(hp){
| ^~~~
main.cpp: 関数 ‘int main()’ 内:
main.cpp:298:17: 備考: ‘sx’ はここで定義されています
298 | int sy, sx, ky, kx, gy, gx;
| ^~
コンストラクタ ‘Player::Player(int, int, int)’ 内,
inlined from ‘int main()’ at main.cpp:312:25
ソースコード
#include <bits/stdc++.h>using namespace std;const int grid_size = 60;const int max_hp = 1500;const int jewel_value = 10;int dy[4] = {-1, 1, 0, 0};int dx[4] = {0, 0, -1, 1};string dir = "UDLR";void file_input(){FILE *in = freopen("in/testcase_001.txt", "r", stdin);}void file_output(){FILE *out = freopen("out/testcase_001.txt", "w", stdout);}// 探知機の情報struct Enemy{int y, x, d, num;bool destroyed;Enemy(int y, int x, int d, int num){this->y = y, this->x = x, this->d = d;this-> num = num;destroyed = false;}};// セルの情報の候補enum class cell_status{empty,wall,block,enemy,key,goal,fire,jewel,player,};// セルの情報struct Cell{cell_status status;Enemy* e_pointer = nullptr;Cell(cell_status st = cell_status::empty) : status(st) {}};int N, D, H, M;vector<Enemy> enemy;vector<string> S;vector<vector<Cell>> grid;vector<vector<int>> enemy_number;// 範囲外かどうかbool range_out(int y, int x){if(y < 0 || y >= grid_size) return true;if(x < 0 || x >= grid_size) return true;return false;}// プレイヤーの情報struct Player{int y, x;int hp, fire;int score;bool get_key, using_magic;Player(int y, int x, int hp) : y(y), x(x), hp(hp){fire = 0;score = 0;get_key = false;using_magic = false;}int move(int k){int ny = y + dy[k], nx = x + dx[k];if(range_out(ny, nx)) return -1;if(grid[ny][nx].status == cell_status::wall|| grid[ny][nx].status == cell_status::block|| grid[ny][nx].status == cell_status::enemy){return -1;}if(grid[ny][nx].status == cell_status::fire){fire++;}else if(grid[ny][nx].status == cell_status::jewel){score += jewel_value;}else if(grid[ny][nx].status == cell_status::key){get_key = true;}y = ny; x = nx;return 0;}void damage(int d){hp -= d;}};// 方向を取得int direction(char d){for(int k = 0; k < 4; k++){if(d == dir[k]) return k;}return -1;}// BFSによる経路探索string find_path(int sy, int sx, int gy, int gx){vector<vector<int>> dist(N, vector<int>(N, -1));dist[sy][sx] = 0;queue<pair<int,int>> q;q.emplace(sy, sx);while(!q.empty()){pair<int,int> p = q.front(); q.pop();int y = p.first, x = p.second;for(int k = 0; k < 4; k++){int ny = y + dy[k], nx = x + dx[k];if(range_out(ny, nx)) continue;if(dist[ny][nx] != -1) continue;cell_status cell = grid[ny][nx].status;if(cell == cell_status::wall || cell == cell_status::block|| cell == cell_status::enemy){continue;}dist[ny][nx] = dist[y][x] + 1;q.emplace(ny, nx);}}string res;if(dist[gy][gx] == -1) return res;int now_y = gy, now_x = gx, now_d = dist[gy][gx];while(now_y != sy || now_x != sx){bool moved = false;for(int k = 0; k < 4; k++){int new_y = now_y + dy[k], new_x = now_x + dx[k];if(range_out(new_y, new_x)) continue;if(dist[new_y][new_x] != now_d - 1) continue;now_y = new_y, now_x = new_x;now_d--;res.push_back(dir[k^1]);moved = true;break;}assert(moved);}reverse(res.begin(), res.end());return res;}// 一番近い宝石を取りに行くstring get_jewel(Player &player){vector<vector<int>> dist(N, vector<int>(N, -1));int sy = player.y, sx = player.x;dist[sy][sx] = 0;queue<pair<int,int>> q;q.emplace(sy, sx);int gy = -1, gx = -1;while(!q.empty()){pair<int,int> p = q.front(); q.pop();int y = p.first, x = p.second;bool find_jewel = false;for(int k = 0; k < 4; k++){int ny = y + dy[k], nx = x + dx[k];if(range_out(ny, nx)) continue;if(dist[ny][nx] != -1) continue;cell_status cell = grid[ny][nx].status;if(cell == cell_status::wall || cell == cell_status::block|| cell == cell_status::enemy){continue;}dist[ny][nx] = dist[y][x] + 1;if(cell == cell_status::jewel){gy = ny; gx = nx;find_jewel = true;break;}q.emplace(ny, nx);}if(find_jewel) break;}string res;if(gy == -1) return res;int now_y = gy, now_x = gx, now_d = dist[gy][gx];while(now_y != sy || now_x != sx){bool moved = false;for(int k = 0; k < 4; k++){int new_y = now_y + dy[k], new_x = now_x + dx[k];if(range_out(new_y, new_x)) continue;if(dist[new_y][new_x] != now_d - 1) continue;now_y = new_y, now_x = new_x;now_d--;res.push_back(dir[k^1]);moved = true;break;}assert(moved);}reverse(res.begin(), res.end());return res;}// プレイヤーへのダメージ処理void CalcDamage(vector<vector<Cell>> &grid, Player &player, int t){int res = 1;for(int k = 0; k < 4; k++){int y = player.y + dy[k], x = player.x + dx[k];while(!range_out(y, x)){if(grid[y][x].status == cell_status::wall ||grid[y][x].status == cell_status::block){break;}if(grid[y][x].status == cell_status::enemy){if(t > 0 && t % grid[y][x].e_pointer->d == 0){res += D;}break;}y += dy[k]; x += dx[k];}}player.damage(res);}int action(Player &player, string &query){if(query[0] == 'S') return 0;assert((int)query.size() == 3);int sy = player.y, sx = player.x;char c = query[0], d = query[2];int k = direction(d);if(c == 'M'){int res = player.move(k);if(res == -1) return -1;int ny = sy + dy[k], nx = sx + dx[k];grid[sy][sx].status = cell_status::empty;grid[ny][nx].status = cell_status::player;}else if(c == 'B'){return -1;}else if(c == 'F'){return -1;}return -1;}void input(){cin >> N >> D >> H;S.resize(N);for(int i = 0; i < N; i++) cin >> S[i];enemy_number.resize(N, vector<int>(N));cin >> M;for(int i = 0; i < M; i++){int y, x, d;cin >> y >> x >> d;enemy.emplace_back(y, x, d, i);enemy_number[y][x] = i;}grid.resize(N, vector<Cell>(N));for(int i = 0; i < N; i++){for(int j = 0; j < N; j++){if(S[i][j] == '#'){grid[i][j].status = cell_status::wall;}else if(S[i][j] == 'E'){grid[i][j].status = cell_status::enemy;grid[i][j].e_pointer = &enemy[enemy_number[i][j]];}else if(S[i][j] == 'K'){grid[i][j].status = cell_status::key;}else if(S[i][j] == 'G'){grid[i][j].status = cell_status::goal;}else if(S[i][j] == 'F'){grid[i][j].status = cell_status::fire;}else if(S[i][j] == 'J'){grid[i][j].status = cell_status::jewel;}else if(S[i][j] == 'S'){grid[i][j].status = cell_status::player;}else{grid[i][j].status = cell_status::empty;}}}}int main(){//file_input();//file_output();input();int sy, sx, ky, kx, gy, gx;for(int i = 0; i < N; i++){for(int j = 0; j < N; j++){if(grid[i][j].status == cell_status::player){sy = i, sx = j;}else if(grid[i][j].status == cell_status::key){ky = i, kx = j;}else if(grid[i][j].status == cell_status::goal){gy = i, gx = j;}}}Player player(sy, sx, H);vector<string> ans;int turn = 1;while(player.hp > 250){string path = get_jewel(player);if(path.empty()) break;string query = "M ";query += path[0];action(player, query);CalcDamage(grid, player, turn);ans.emplace_back(query);turn++;}string res;res += find_path(player.y, player.x, ky, kx);res += find_path(ky, kx, gy, gx);for(auto s : res){string query = "M ";query += s;action(player, query);CalcDamage(grid, player, turn);ans.emplace_back(query);turn++;}cerr << "score = " << player.score << endl;cerr << "hp = " << player.hp << endl;int Q = ans.size();cout << Q << endl;for(int i = 0; i < Q; i++){cout << ans[i] << endl;}return 0;}