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  1.     int minimumCostPath(vector<vector<int>>& grid) 
  2.     {
  3.         int n = grid.size(), m = grid[0].size();
  4.  
  5.         vector<vector<int>> cost(n,vector<int>(m,1e9));
  6.  
  7.         cost[0][0] = grid[0][0];
  8.  
  9.         priority_queue<pair<int,pair<int,int>>, vector<pair<int,pair<int,int>>>, 
  10.             greater<pair<int,pair<int,int>>>> pq;
  11.  
  12.         pq.push({cost[0][0],{0,0}});
  13.  
  14.         int row[] = {0,-1,0,1};
  15.         int col[] = {1,0,-1,0};
  16.  
  17.         while(!pq.empty())
  18.         {
  19.             int cst = pq.top().first;
  20.             int i = pq.top().second.first;
  21.             int j = pq.top().second.second;
  22.             pq.pop();
  23.  
  24.             for(int k=0;k<4;k++)
  25.             {
  26.                 int nr = i+row[k];
  27.                 int nc = j+col[k];
  28.  
  29.                 if(nr<0 || nc<0 || nr>=n || nc>=m) 
  30.                 	continue;
  31.  
  32.                 if(cost[nr][nc] > cst+grid[nr][nc])
  33.                 {
  34.                     cost[nr][nc] = cst+grid[nr][nc];
  35.                     pq.push({cost[nr][nc],{nr,nc}});
  36.                 }
  37.             }
  38.         }
  39.  
  40.         return cost[n-1][m-1];
  41.     }
  42.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.cpp:1:25: error: ‘vector’ was not declared in this scope
     int minimumCostPath(vector<vector<int>>& grid)
                         ^~~~~~
prog.cpp:1:32: error: ‘vector’ was not declared in this scope
     int minimumCostPath(vector<vector<int>>& grid)
                                ^~~~~~
prog.cpp:1:39: error: expected primary-expression before ‘int’
     int minimumCostPath(vector<vector<int>>& grid)
                                       ^~~
stdout 
Standard output is empty
https://ideone.com/behL3F
language:
C++ (gcc 8.3)
created:
1 year ago
visibility:
secret

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