https://ide.codingblocks.com/s/111360 , please see my code this is giving wrong ans in 2 test cases , i dont know where i am doing wrong
String window probem giving error in 2 out 5 test cases
First check if length of string is less than the length of given pattern, if yes then "no such window can exist ".
Store the occurrence of characters of given pattern in a hash_pat[].
Start matching the characters of pattern with the characters of string i.e. increment count if a character matches
Check if (count == length of pattern ) this means a window is found
If such window found, try to minimize it by removing extra characters from beginning of current window.
Update min_length
Print the minimum length window.
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