HR_Two Strings

https://www.hackerrank.com/challenges/two-strings/problem?h_l=interview&playlist_slugs%5B%5D=interview-preparation-kit&playlist_slugs%5B%5D=dictionaries-hashmaps

考虑时间效率 先去重再排序 有共同子串的必有共同的字母

list(set(list)) --先将列表转化为set，再转化为list就可以实现去重操作

#!/bin/python3

import math
import os
import random
import re
import sys

# Complete the twoStrings function below.
def twoStrings(s1, s2):
    s1 = list(set(s1))
    s2 = list(set(s2))
    for i in range(len(s1)):
        for j in range(len(s2)):
            if s1[i] == s2[j]:
                return 'YES'
    return 'NO'

if __name__ == '__main__':
    fptr = open(os.environ['OUTPUT_PATH'], 'w')

    q = int(input())

    for q_itr in range(q):
        s1 = input()

        s2 = input()

        result = twoStrings(s1, s2)

        fptr.write(result + '\n')

    fptr.close()