gold_mine.cpp

#include<bits/stdc++.h> 
using namespace std; 
  
const int MAX = 100; 
  

int getMaxGold(int gold[][MAX], int m, int n) 
{ 
   
    int goldTable[m][n]; 
    memset(goldTable, 0, sizeof(goldTable)); 
  
    for (int col=n-1; col>=0; col--) 
    { 
        for (int row=0; row<m; row++) 
        { 
           
            int right = (col==n-1)? 0: goldTable[row][col+1]; 
  
            int right_up = (row==0 || col==n-1)? 0: 
                            goldTable[row-1][col+1]; 
  
           
            int right_down = (row==m-1 || col==n-1)? 0: 
                             goldTable[row+1][col+1]; 
  
          
            goldTable[row][col] = gold[row][col] + 
                              max(right, max(right_up, right_down)); 
                                                      
        } 
    } 
  
  
    int res = goldTable[0][0]; 
    for (int i=1; i<m; i++) 
        res = max(res, goldTable[i][0]); 
    return res; 
}