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oh... its the fault of my inattention. Thank you very much
The operator
^is right-associative:why? when we convert infix to postfix form we save the sequence of operations, so infix 1^2^3 we convert to postfix 12^3^. This postfix form is correct, because when we convert it back to infix we have the initial sequence of operations: (1^2)^3. But postfix form in this kata turns into 1^(2^3), and whe lose the initial sequence of operations. Yes, the answer will be the same in both cases, but its illogical when from our postfix form we get infix form that is different from initial one
You're wrong.
i think postfix form of 1^2^3 is 12^3^ and it seems to be an issue in this kata