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  1. Prepare
  2. Algorithms
  3. Implementation
  4. 3D Surface Area
  5. Discussions

3D Surface Area

  • csiegel
     + 0 comments

    python

    def surfaceArea(A):
    # Write your code here
    
    f_b=0 #front back
    t_b=0 #top bottom
    l_r=0 # left right
    
    #top and bottom surface area
    t_b = H * W * 2

    
    #Front and Back surface area
    if H==1:
        for j in range(W):
            f_b+=A[0][j]*2
    else:
        for i in range(H):
            for j in range(W):
                if i == H-1:
                    f_b+=A[i][j]
                    f_b+=(abs(A[i][j]-A[i-1][j]))
                elif i != 0:
                    f_b+=(abs(A[i][j]-A[i-1][j]))
                else:
                    f_b+=A[i][j]  
    
    
    #left and right surface area
    if W == 1:
        for i in range(H):
            l_r+=A[i][0]*2
    else:
        for j in range(W):
            for i in range(H):
                if j == W-1:
                    l_r+=A[i][j]
                    l_r+=(abs(A[i][j]-A[i][j-1]))
                elif j !=0:
                    l_r+=(abs(A[i][j]-A[i][j-1]))
                else:
                    l_r+=A[i][j]
    
    return f_b + l_r + t_b