4 ms·You never implemented a quick polish notation calculator that uses this data structure? [1,2, '+']by bombolo 4y agoYou never implemented a quick polish notation calculator that uses this data structure? [1,2, '+']chenzhekl 4y agoI would use two stacks, one of which stores numbers and the other stores operators.bombolo 4y agoWhy? Just to have no unions of types?