Submission #941081

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
941081	2024-03-08 06:35:31	KaleemRazaSyed	Portals (BOI14_portals)	C++17	20 / 100	28 ms	69980 KiB

portals

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#include<iostream>
#include<vector>
#include<queue>
 
using namespace std;
 
const int N = 1e3 + 5;
char grid[N][N];
int left_[N][N], right_[N][N], up[N][N], down[N][N];
vector<int> G[N * N], port[N * N];
int dist[N * N];
int r, c, m;
int dx[] = {1, -1, 0, 0};
int dy[] = {0, 0, 1, -1};
 
bool valid(int x, int y)
{
  return (x > 0 && y > 0 && x <= r && y <= c && grid[x][y] != '#');
}
 
 
void bfs(int v, int u)
{
  for(int i = 0; i < N * N; i++)
    dist[i] = N * N + 10;
 
  queue<int> q;
  vector<int> portals;
  q.push(v);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

portals.cpp: In function 'int main()':
portals.cpp:156:6: warning: 'u' may be used uninitialized in this function [-Wmaybe-uninitialized]
  156 |   bfs(v, u);
      |   ~~~^~~~~~
portals.cpp:156:6: warning: 'v' may be used uninitialized in this function [-Wmaybe-uninitialized]

• Subtask 1: 0 / 11
• Subtask 2: 0 / 20
• Subtask 3: 20 / 20
• Subtask 4: 0 / 19
• Subtask 5: 0 / 30