모든 문자열 치환(permutation) Page 229 Brute-force 1 perm_bf.py code 에 s_perm(s) 부분을 find_permutation(s)으로 변경해야 합니다. Brute-force 2 perm_bf.py LeetCode https://leetcode.com/problems/permutations/ GeeksForGeeks https://practice.geeksforgeeks.org/problems/permutations-of-a-given-string/0