题解 | #进制转换#
进制转换
https://www.nowcoder.com/practice/8f3df50d2b9043208c5eed283d1d4da6
import sys
while True:
try:
str_in = input()
str_in = str_in[2:]
n = len(str_in)
dict_ = {"A": 10, "B": 11, "C":12, "D":13, "E": 14, "F":15}
ans = 0
for word in str_in:
if word in dict_:
tmp_ans = dict_[word]*16**(n-1)
else:
tmp_ans = int(word)*16**(n-1)
ans += tmp_ans
n = n - 1
print(ans)
except:
break
dict_[word]*16**(n-1) 16进制算法 m*$进制的 n-1 次方
