Siemens String Questions

6 string problems asked at Siemens interviews

Easy (2)Medium (3)Hard (1)

Questions

Title	Difficulty	Acceptance	Frequency
Valid Parentheses	Easy	43.7%	77.9%
Valid Anagram	Easy	67.8%	61.3%
Group Anagrams	Medium	72.2%	61.3%
Minimum Add to Make Parentheses Valid	Medium	74.4%	61.3%
Longest Palindromic Substring	Medium	37.4%	61.3%
Strong Password Checker	Hard	15.5%	61.3%

Showing 6 questions