sharatsachin

# print the list of all files in the leetcode directory
import os
import pathlib
import glob
import itertools

files = pathlib.Path("leetcode")

file_ext = ['cpp', 'py', 'postgresql']
new_folder = './leetcode-solutions'

sharatsachin

#include <bits/stdc++.h>
using namespace std;

// function used to convert the given string of size 'n' into
// the auxiliary string of size '2n+1'
string convert(string str)
{
    string nw = "#";
    for (int i = 0; i < str.size(); ++i) {
        nw += str.substr(i, 1) + "#";