hellow, cf frined ↵
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u can go to my submission and check the last problem c in my submission, that has got ac, but how idk.↵
Can anyone explain the right approach↵
↵
I go to google;s xor calculator and input some values, find a pattern, and implement it with a random guess , and it has got AC :)↵
↵
pls help, ↵
↵
Thanks in advance.:)↵
[here is it how it passed ](https://codeforces.net/contest/2074/submission/310106083)
↵
u can go to my submission and check the last problem c in my submission, that has got ac, but how idk.↵
Can anyone explain the right approach↵
↵
I go to google;s xor calculator and input some values, find a pattern, and implement it with a random guess , and it has got AC :)↵
↵
pls help, ↵
↵
Thanks in advance.:)↵
[here is it how it passed ](https://codeforces.net/contest/2074/submission/310106083)
