Sous-chaîne la plus longue sans répéter les caractères Python
str = "AABBCDEFABC" #string to check
i =0
j = 0
d={}
sub_str_len = 0
while j < len(str): #checks every character of the string
if str[j] not in d or i>d[str[j]]:
sub_str_len = max(sub_str_len,(j-i+1))
d[str[j]] = j
else:
i = d[str[j]]+1
sub_str_len = max(sub_str_len,(j-i+1))
j-=1
j+=1
print(sub_str_len) #prints the size
Rui Coutinho