Finish LC 76. Note the use of character(ascii) mapping with array, which is blazing fast, and the control on increment/decrement of char count to get the min window size. Worthwide to run the alg on scratch.
Finish LC 76. Note the use of character(ascii) mapping with array, which is blazing fast, and the control on increment/decrement of char count to get the min window size. Worthwide to run the alg on scratch.

wuyrush/lc2016