### maxKilledEnemies 
from typing import *
def f_gold(grid: List[List[str]]) -> int:
    m, n = len(grid), len(grid[0])
    g = [[0] * n for _ in range(m)]
    for i in range(m):
        t = 0
        for j in range(n):
            if grid[i][j] == 'W':
                t = 0
            elif grid[i][j] == 'E':
                t += 1
            g[i][j] += t
        t = 0
        for j in range(n - 1, -1, -1):
            if grid[i][j] == 'W':
                t = 0
            elif grid[i][j] == 'E':
                t += 1
            g[i][j] += t
    for j in range(n):
        t = 0
        for i in range(m):
            if grid[i][j] == 'W':
                t = 0
            elif grid[i][j] == 'E':
                t += 1
            g[i][j] += t
        t = 0
        for i in range(m - 1, -1, -1):
            if grid[i][j] == 'W':
                t = 0
            elif grid[i][j] == 'E':
                t += 1
            g[i][j] += t
    return max(
        [g[i][j] for i in range(m) for j in range(n) if grid[i][j] == '0'],
        default=0,
    )