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| from random import randint as ri
def feedback(num_a, num_b):
str_a = str(num_a)
str_b = str(num_b)
c = 0
e = 0
if len(str_a) == 3:
str_a = "0" + str_a
if len(str_b) == 3:
str_b = "0" + str_b
for i in range(4):
for j in range(4):
if str_a[i] == str_b[j]:
c += 1
if i == j:
e += 1
return (c, e)
def update_set(list_old, last, feed):
list_new = []
num = len(list_old)
for i in range(num):
if feedback(list_old[i], last) == feed:
list_new.append(list_old[i])
return list_new
def decision_1(list_new):
choise = 0
for n in list_new:
min_n = 10000
dict_f = {}
for m in list_new:
feed = feedback(n, m)
if feed not in dict_f:
dict_f[feed] = 1
else:
dict_f[feed] += 1
temp = sum(dict_f.values()) / len(dict_f)
if min_n > temp:
min_n = temp
choise = n
return choise
def decision_2(list_new):
choise = 0
for n in list_new:
min_n = 10000
dict_f = {}
for m in list_new:
feed = feedback(n, m)
if feed not in dict_f:
dict_f[feed] = 1
else:
dict_f[feed] += 1
temp = max(dict_f.values())
if min_n > temp:
min_n = temp
choise = n
return choise
list_ini = []
for i1 in range(10):
for i2 in range(10):
if i1 == i2:
continue
for i3 in range(10):
if i3 == i1 or i3 == i2:
continue
for i4 in range(10):
if i4 == i1 or i4 == i2 or i4 == i3:
continue
list_ini.append(i1 * 1000 + i2 * 100 + i3 * 10 + i4)
n = 10 * 9 * 8 * 7
sum_1 = 0
sum_2 = 0
t = 10000
dict_choise = {(0, 0): 9876, (1, 0): 9872, (1, 1): 9873, (2, 0): 9832, (2, 1): 9821, (2, 2): 9823, (3, 0): 9312, (3, 1): 9321, (3, 2): 9123, (3, 3): 9023, (4, 0): 3210, (4, 1): 3120, (4, 2): 3021, (4, 3): 0, (4, 4): 1023}
for j in range(t):
ans_index = ri(0, n - 1)
ans = list_ini[ans_index]
i = 0
feed_ini = feedback(ans, 1023)
list_one = update_set(list_ini, 1023, feed_ini)
list_new = list_one
for i in range(1, 50):
if i == 1:
choise = dict_choise[feed_ini]
feed = feedback(ans, choise)
if feed[1] == 4:
i += 1
break
list_new = update_set(list_new, choise, feed)
choise = decision_1(list_new)
sum_1 += i
list_new = list_one
i = 0
for i in range(1, 50):
if i == 1:
choise = dict_choise[feed_ini]
feed = feedback(ans, choise)
if feed[1] == 4:
i += 1
break
list_new = update_set(list_new, choise, feed)
choise = decision_2(list_new)
sum_2 += i
print(j)
print(sum_1 / t)
print(sum_2 / t)
|
