题解 | #密码验证合格程序#

from pickle import TRUE
import sys

def check_type(str_input):
    dic={}
    for j in range(len(str_input)):
        a=str_input[j]
        if a.islower():
            dic["lower"]=dic.get("lower","")+a
        elif a.isupper():
            dic["upper"]=dic.get("upper","")+a
        elif a.isdigit():
            dic["digit"]=dic.get("digit","")+a  
        else:
            dic["other"]=dic.get("other","")+a      
    sum=len(dic)
    if sum>=3:
        return 1
    else: return -1
   
def check_type2(str_input2):
    for i in range(len(str_input2)-2):
        for j in range(i+1,len(str_input2)-2):
            if str_input2[j]==str_input2[i] and str_input2[j+1]==str_input2[i+1] and str_input2[j+2]==str_input2[i+2]:
                return -1
    else: return 1

            

a=[]
for line in sys.stdin:
    a.append(line.split("\n")[0])

for i in range(len(a)):
    if len(a[i])<8:
        print("NG")
    elif check_type(a[i])==-1:
            print("NG")
    elif check_type2(a[i])==-1:
        print("NG")
    else:   
        print("OK")