Tip 1 : Practice every day at least 3-4 Questions of DSA
Tip 2 : Do projects which are hosted.
Tip 1 : Have some projects on your resume.
Tip 2 : if you have an internship or training explain it in a proper way like what are the techniques you learned during your training.
Design a search page with search results as title and description only. Have data in Dynamo DB. When a keyword is entered, do a prefix search on the dynamo-index column. When a user clicks on a link record the link clicked in dynamo. redirect to a static page.
If the string is: “abccba”, then the first repeated character is ‘c’, but the repeated character that is present first in the string is ‘a’. You need to print ‘a’.
Keep in mind that you need to print the repeated character that is present first in the string and not the first repeating character.
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Which array operation has O(n) worst-case time complexity?