Why is my code giving run error?

#1

Please help me in rectifying this error as I am using the same code code as taught by sir.

#2

Hey Divyansh!, you were making one mistake
just make your while condition as while(!s.empty() and a[i]>a[s.top()])
as before accessing top you should check whether s is non empty.

#3

Sir, but inside the while loop both conditions get checked simultaneously, does it matter in what order do we write the condition?

#4

Yes it does matters!
compiler first checks whether s is empty and if it is, it skips conditions ahead as the answer will be 0 (because of AND)

#5

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