Thanks very much for sharing the questions . Just a doubt , Is round 4 Problem 2 a backtracking problem ? Can't we solve it with 2 loops ( one iterating each element of dictionary until a match is found and the inner one for comparing string and dictionary element ) and use 2 pointer here ? Are there any optimised solutions ?
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Thanks very much for sharing the questions . Just a doubt , Is round 4 Problem 2 a backtracking problem ? Can't we solve it with 2 loops ( one iterating each element of dictionary until a match is found and the inner one for comparing string and dictionary element ) and use 2 pointer here ? Are there any optimised solutions ?