give string s t return true equal type text editor mean backspace characternote backspace text text continue Example 1input s abc t adcoutput trueexplanation both s t acExample 2Input s ab t cdoutput trueexplanation both s t Example 3input s ac t bOutput falseexplanation s c t b constraints1 slength tlength 200s t contain lowercase letter character follow can solve on time O1 space