[백준][Python] 1339번 단어 수학

n = int(input())
alphabet = []
for _ in range(n):
    alphabet.append(input())

alpha = {}

for word in alphabet:
    
    alpha_square = len(word) - 1
    for i in word:
        if i not in alpha :
            alpha[i] = 10**alpha_square
        else :
            alpha[i] += 10 ** alpha_square
        alpha_square-=1
        
alpha = dict(sorted(alpha.items(),key=lambda x : x[1],reverse=True))
num = [9,8,7,6,5,4,3,2,1,0]
result = 0
for i,value in enumerate(alpha.values()):
    result += value * num[i]
print(result)