Submission #1080543

#	Time	Username	Problem	Language	Result	Execution time	Memory
1080543		TAhmed33	Maze (JOI23_ho_t3)	C++98	Compilation error	0 ms	0 KiB

Main

forfor#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize ("Ofast")
typedef long long ll;
const int inf = 1e9;
int n, m, K;
pair <int, int> s, g;
vector <vector <char>> a;
vector <vector <bool>> vis;
vector <vector <int>> dist;
int dx[4] = {0, -1, 0, 1};
int dy[4] = {1, 0, -1, 0};
bool valid (int x, int y) {
	return x >= 0 && x < n && y >= 0 && y < m && !vis[x][y];
}
void solve () {
	cin >> n >> m >> K;
	cin >> s.first >> s.second;
	cin >> g.first >> g.second;
	s.first--; s.second--; g.first--; g.second--;
	a.resize(n, vector <char> (m));
	vis.resize(n, vector <bool> (m, false));
	dist.resize(n, vector <int> (m, inf));
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			cin >> a[i][j];
			vis[i][j] = 0;
		}
	}
	vis[s.first][s.second] = 1; 
	dist[s.first][s.second] = 0;
	deque <pair <int, int>> cur;
	cur.push_back(s);
	int rem = n * m - 1;
	int ss = 0;
	while (rem > 0) {
/*		cout << rem << '\n';
		for (int i = 0; i < n; i++) {
			for (int j = 0; j < m; j++) {
				cout << vis[i][j];
			}
			cout << '\n';
		}
		cout << '\n';*/
		if (cur.empty()) {
			break;
		}
		deque <array <int, 4>> dd;
		while (!cur.empty()) {
			auto k = cur.front();
			cur.pop_front();
			//cout << k.first << " " << k.second << '\n';
			bool flag = 0;
			for (int i = 0; i < 4; i++) {
				int x = k.first + dx[i];
				int y = k.second + dy[i];
				if (!valid(x, y)) {
					continue;
				}
				if (a[x][y] == '.') {
					dist[x][y] = ss;
					vis[x][y] = 1;
					cur.push_back({x, y});
					rem--;
				} else {
					flag = 1;
				}
			}
			if (flag) {
				dd.push_back({k.first, k.second, 0, 0});
			}
		}
		ss++;
		while (!dd.empty()) {
			auto k = dd.front();
			dd.pop_front();
			bool flag = 0;
			for (int i = 0; i < 4; i++) {
				array <int, 4> g = {k[0] + dx[i], k[1] + dy[i], k[2] + abs(dx[i]), k[3] + abs(dy[i])};
/*				for (auto j : k) cout << j << " ";
				cout << '\n';
				cout << ": \n";
				for (auto k : g) {
					cout << k << " ";
				}
				cout << '\n' << '\n';*/
				if (valid(g[0], g[1]) && g[2] <= K && g[3] <= K && g[2] + g[3] < 2 * K) {
					vis[g[0]][g[1]] = 1;
					dist[g[0]][g[1]] = ss;
					dd.push_back(g);
					rem--;
				}
			}
			if (!flag) {
				cur.push_back({k[0], k[1]});
			}
		}
	}	
	cout << dist[g.first][g.second] << '\n';
}				
signed main () {
	 #ifndef ONLINE_JUDGE 
		//freopen("input_file", "r", stdin);
		//freopen("output_file", "w", stdout);
	#endif
	//ios::sync_with_stdio(0); cin.tie(0);
	int tc = 1; //cin >> tc;
	while (tc--) solve();
}

Compilation message (stderr)

Main.cpp:1:7: error: stray '#' in program
    1 | forfor#include <bits/stdc++.h>
      |       ^
Main.cpp:1:1: error: 'forfor' does not name a type
    1 | forfor#include <bits/stdc++.h>
      | ^~~~~~
Main.cpp:7:1: error: 'pair' does not name a type
    7 | pair <int, int> s, g;
      | ^~~~
Main.cpp:8:1: error: 'vector' does not name a type
    8 | vector <vector <char>> a;
      | ^~~~~~
Main.cpp:9:1: error: 'vector' does not name a type
    9 | vector <vector <bool>> vis;
      | ^~~~~~
Main.cpp:10:1: error: 'vector' does not name a type
   10 | vector <vector <int>> dist;
      | ^~~~~~
Main.cpp: In function 'bool valid(int, int)':
Main.cpp:14:48: error: 'vis' was not declared in this scope
   14 |  return x >= 0 && x < n && y >= 0 && y < m && !vis[x][y];
      |                                                ^~~
Main.cpp: In function 'void solve()':
Main.cpp:17:2: error: 'cin' was not declared in this scope
   17 |  cin >> n >> m >> K;
      |  ^~~
Main.cpp:18:9: error: 's' was not declared in this scope
   18 |  cin >> s.first >> s.second;
      |         ^
Main.cpp:19:9: error: 'g' was not declared in this scope
   19 |  cin >> g.first >> g.second;
      |         ^
Main.cpp:21:2: error: 'a' was not declared in this scope
   21 |  a.resize(n, vector <char> (m));
      |  ^
Main.cpp:21:14: error: 'vector' was not declared in this scope
   21 |  a.resize(n, vector <char> (m));
      |              ^~~~~~
Main.cpp:21:22: error: expected primary-expression before 'char'
   21 |  a.resize(n, vector <char> (m));
      |                      ^~~~
Main.cpp:22:2: error: 'vis' was not declared in this scope
   22 |  vis.resize(n, vector <bool> (m, false));
      |  ^~~
Main.cpp:22:24: error: expected primary-expression before 'bool'
   22 |  vis.resize(n, vector <bool> (m, false));
      |                        ^~~~
Main.cpp:23:2: error: 'dist' was not declared in this scope
   23 |  dist.resize(n, vector <int> (m, inf));
      |  ^~~~
Main.cpp:23:25: error: expected primary-expression before 'int'
   23 |  dist.resize(n, vector <int> (m, inf));
      |                         ^~~
Main.cpp:32:2: error: 'deque' was not declared in this scope
   32 |  deque <pair <int, int>> cur;
      |  ^~~~~
Main.cpp:32:9: error: 'pair' was not declared in this scope
   32 |  deque <pair <int, int>> cur;
      |         ^~~~
Main.cpp:32:15: error: expected primary-expression before 'int'
   32 |  deque <pair <int, int>> cur;
      |               ^~~
Main.cpp:33:2: error: 'cur' was not declared in this scope
   33 |  cur.push_back(s);
      |  ^~~
Main.cpp:48:10: error: 'array' was not declared in this scope
   48 |   deque <array <int, 4>> dd;
      |          ^~~~~
Main.cpp:48:17: error: expected primary-expression before 'int'
   48 |   deque <array <int, 4>> dd;
      |                 ^~~
Main.cpp:70:5: error: 'dd' was not declared in this scope; did you mean 'dy'?
   70 |     dd.push_back({k.first, k.second, 0, 0});
      |     ^~
      |     dy
Main.cpp:74:11: error: 'dd' was not declared in this scope; did you mean 'dy'?
   74 |   while (!dd.empty()) {
      |           ^~
      |           dy
Main.cpp:79:12: error: expected primary-expression before 'int'
   79 |     array <int, 4> g = {k[0] + dx[i], k[1] + dy[i], k[2] + abs(dx[i]), k[3] + abs(dy[i])};
      |            ^~~
Main.cpp:99:2: error: 'cout' was not declared in this scope
   99 |  cout << dist[g.first][g.second] << '\n';
      |  ^~~~