Window Substring problem

#1


I have not passes all the test cases? whats the error?

#2

hello @samardeep
please explain what u want to check in this line->

 	if( m2.find(s1[i])!=m2.end() and m1[s1[i]]<=m2[s1[i]]){
			count++;
		}
#3

i will start contraction if my count is equal to l2; and there i am checking if m2 has element which is in m1 and count of that element in m1<count of that element in m2 then i will increase the counter variable

#4

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