답안 #1046188

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1046188	2024-08-06T11:20:31 Z	lozergam	Maze (JOI23_ho_t3)	C++17	컴파일 오류	0 ms	0 KB

Main

#include <bits/stdc++.h>using namespace std;#define ll long long#define pb push_back#define For(i, n) for(int (i) = 0; (i) < (n); (i)++)#define debug(x) cout << #x << " : " << x << endl << flush#define endl '\n'#define sz(x) (ll)x.size()#define arr(x) array<ll, x>const ll INF = 1e18;vector<vector<bool>> a, vis;arr(2) s, e;ll n, m, k;ll ans;vector<arr(2)> v, g;vector<set<ll>> row, col;ll cnt;void bfs(){    cnt++;    // debug(cnt);	while(!v.empty())	{		auto x = v.back();        // debug(x[0]);        // debug(x[1]);		v.pop_back();				if(x[0] != 1 and !vis[x[0] - 1][x[1]])		{			if(a[x[0] - 1][x[1]])				g.pb({x[0] - 1, x[1]});			else            {                vis[x[0] - 1][x[1]] = 1;				v.pb({x[0] - 1, x[1]});            }		}				if(x[0] != n and !vis[x[0] + 1][x[1]])		{			if(a[x[0] + 1][x[1]])				g.pb({x[0] + 1, x[1]});			else            {				v.pb({x[0] + 1, x[1]});                vis[x[0] + 1][x[1]] = 1;            }		}				if(x[1] != 1 and !vis[x[0]][x[1] - 1])		{			if(a[x[0]][x[1] - 1])				g.pb({x[0], x[1] - 1});			else            {				v.pb({x[0], x[1] - 1});                vis[x[0]][x[1] - 1] = 1;            }		}				if(x[1] != m and !vis[x[0]][x[1] + 1])		{			if(a[x[0]][x[1] + 1])				g.pb({x[0], x[1] + 1});			else            {				v.pb({x[0], x[1] + 1});                vis[x[0]][x[1] + 1] = 1;            }		}	}}int main(){	ios_base::sync_with_stdio(0);cin.tie(0);		cin >> n >> m >> k;	
	a.resize(n + 1);
	vis.resize(n + 1);
	row.resize(n + 1);
	col.resize(m + 1);
	
	For(i, n + 1)
	{
		a[i].resize(m + 1, 0);
		
		vis[i].resize(m + 1, 0);
		
		For(j, m + 1)
			vis[i][j] = 0;
	}
	
	cin >> s[0] >> s[1];
	cin >> e[0] >> e[1];
	
	for(int i = 1;i <= n; i++)
		for(int j = 1;j <= m; j++)
		{
			char c;
			cin >> c;
			
			if(c == '.')
				a[i][j] = 0;
			else 
				a[i][j] = 1;
				
			row[i].insert(j);
			col[j].insert(i);
		}
        
	For(i, n + 1)
		row[i].insert(INF);
	For(i, m + 1)
		col[i].insert(INF);
	
	v.pb(s);
	vis[s[0]][s[1]] = 1;
// 2 4 2
// 1 1
// 2 4
// .###
// ###.
	while(1)
	{
		bfs();
		
		if(vis[e[0]][e[1]])
			break;
		
		for(auto x : g)
		{
			arr(2) r, c;
			
			r[0] = max(x[0] - k + 1, 1ll);
			r[1] = min(x[0] + k - 1, n);
			c[0] = max(x[1] - k + 1, 1ll);
			c[1] = min(x[1] + k - 1, m);
			
			// debug(x[0]);
			// debug(x[1]);
			// debug(r[0]);
			// debug(r[1]);
			// debug(c[0]);
			// debug(c[1]);
			// debug(endl);
			auto it = row[r[0]].lower_bound(c[0]);
			
			while((*it) <= c[1])
			{
				if(!vis[r[0]][(*it)])
				{
					vis[r[0]][(*it)] = 1;
					v.pb({r[0], (*it)});
				}
				
				row[r[0]].erase(it);
				it = row[r[0]].lower_bound(c[0]);
			}
			
			it = row[r[1]].lower_bound(c[0]);
			
			while((*it) <= c[1])
			{
				if(!vis[r[1]][(*it)])
				{
					vis[r[1]][(*it)] = 1;
					v.pb({r[1], (*it)});
				}
				
				row[r[1]].erase(it);
				it = row[r[1]].lower_bound(c[0]);
			}
			
			it = col[c[0]].lower_bound(r[0]);
			
			while((*it) <= r[1])
			{
				if(!vis[(*it)][c[0]])
				{
					vis[(*it)][c[0]] = 1;
					v.pb({(*it), c[0]});
				}
				
				col[c[0]].erase(it);
				it = col[c[0]].lower_bound(r[0]);
			}
			
			it = col[c[1]].lower_bound(r[0]);
			
			while((*it) <= r[1])
			{
				if(!vis[(*it)][c[1]])
				{
					vis[(*it)][c[1]] = 1;
					v.pb({(*it), c[1]});
				}
				
				col[c[1]].erase(it);
				it = col[c[1]].lower_bound(r[0]);
			}
			
			v.pb(x);
			vis[x[0]][x[1]] = 1;
			
			if(e[0] >= r[0] and e[0] <= r[1] and e[1] >= c[0] and e[1] <= c[1])
				vis[e[0]][e[1]] = 1;
		}
		
		g.clear();
		
		ans++;
	}
	
	cout << ans << endl;
}

Compilation message

Main.cpp:1:31: warning: extra tokens at end of #include directive
    1 | #include <bits/stdc++.h>using namespace std;#define ll long long#define pb push_back#define For(i, n) for(int (i) = 0; (i) < (n); (i)++)#define debug(x) cout << #x << " : " << x << endl << flush#define endl '\n'#define sz(x) (ll)x.size()#define arr(x) array<ll, x>const ll INF = 1e18;vector<vector<bool>> a, vis;arr(2) s, e;ll n, m, k;ll ans;vector<arr(2)> v, g;vector<set<ll>> row, col;ll cnt;void bfs(){    cnt++;    // debug(cnt); while(!v.empty()) {  auto x = v.back();        // debug(x[0]);        // debug(x[1]);  v.pop_back();    if(x[0] != 1 and !vis[x[0] - 1][x[1]])  {   if(a[x[0] - 1][x[1]])    g.pb({x[0] - 1, x[1]});   else            {                vis[x[0] - 1][x[1]] = 1;    v.pb({x[0] - 1, x[1]});            }  }    if(x[0] != n and !vis[x[0] + 1][x[1]])  {   if(a[x[0] + 1][x[1]])    g.pb({x[0] + 1, x[1]});   else            {    v.pb({x[0] + 1, x[1]});                vis[x[0] + 1][x[1]] = 1;            }  }    if(x[1] != 1 and !vis[x[0]][x[1] - 1])  {   if(a[x[0]][x[1] - 1])    g.pb({x[0], x[1] - 1});   else            {    v.pb({x[0], x[1] - 1});                vis[x[0]][x[1] - 1] = 1;            }  }    if(x[1] != m and !vis[x[0]][x[1] + 1])  {   if(a[x[0]][x[1] + 1])    g.pb({x[0], x[1] + 1});   else            {    v.pb({x[0], x[1] + 1});                vis[x[0]][x[1] + 1] = 1;            }  } }}int main(){ ios_base::sync_with_stdio(0);cin.tie(0);  cin >> n >> m >> k;
      |                               ^~~~~~~~~
Main.cpp:1:10: fatal error: bits/stdc++.h>usin: No such file or directory
    1 | #include <bits/stdc++.h>using namespace std;#define ll long long#define pb push_back#define For(i, n) for(int (i) = 0; (i) < (n); (i)++)#define debug(x) cout << #x << " : " << x << endl << flush#define endl '\n'#define sz(x) (ll)x.size()#define arr(x) array<ll, x>const ll INF = 1e18;vector<vector<bool>> a, vis;arr(2) s, e;ll n, m, k;ll ans;vector<arr(2)> v, g;vector<set<ll>> row, col;ll cnt;void bfs(){    cnt++;    // debug(cnt); while(!v.empty()) {  auto x = v.back();        // debug(x[0]);        // debug(x[1]);  v.pop_back();    if(x[0] != 1 and !vis[x[0] - 1][x[1]])  {   if(a[x[0] - 1][x[1]])    g.pb({x[0] - 1, x[1]});   else            {                vis[x[0] - 1][x[1]] = 1;    v.pb({x[0] - 1, x[1]});            }  }    if(x[0] != n and !vis[x[0] + 1][x[1]])  {   if(a[x[0] + 1][x[1]])    g.pb({x[0] + 1, x[1]});   else            {    v.pb({x[0] + 1, x[1]});                vis[x[0] + 1][x[1]] = 1;            }  }    if(x[1] != 1 and !vis[x[0]][x[1] - 1])  {   if(a[x[0]][x[1] - 1])    g.pb({x[0], x[1] - 1});   else            {    v.pb({x[0], x[1] - 1});                vis[x[0]][x[1] - 1] = 1;            }  }    if(x[1] != m and !vis[x[0]][x[1] + 1])  {   if(a[x[0]][x[1] + 1])    g.pb({x[0], x[1] + 1});   else            {    v.pb({x[0], x[1] + 1});                vis[x[0]][x[1] + 1] = 1;            }  } }}int main(){ ios_base::sync_with_stdio(0);cin.tie(0);  cin >> n >> m >> k;
      |          ^~~~~~~~~~~~~~~~~~~~
compilation terminated.