I have been solving, Count Substrings for 2-3 Hours, I have improved my Running Time, but not able to solve in less than 1 sec. Here is my Solution Solution. Please Help me understand this! Thanks! 
TLE implies you need to improve running time of algorithm. I think you are using brute force or complete search. For the given time constraints it does’t work. Try others. Happy C0D1NG!
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