on first iteration *ptr == 'h' so it will enter in the loop.
ptr++ --> *ptr == 'e';
comparing *ptr with least i.e 127 (ascii) *ptr will be 'e' now;
2nd iteration *ptr == e
ptr++ -> *ptr = 'l'
comparing 'e' with 'l' and 'e' will be assgined to least and so on;
coz 'e' has the lowest ascii value in given set of characters so least will
never change when first time it is assgined to 'e';
--
Anshuman Mishra | Software Development Engineer | Amazon
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