My first submission where i used xori ^= (int) s[i] resulted in WA
link -> https://www.codechef.com/viewsolution/35787527
while when i used xori ^= (int) (s[i]-65) then it worked .
link -> https://www.codechef.com/viewsolution/35788672
In my thought the first one should have worked just fine but it did’nt happen . Why ?