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Engineering, 07.11.2019 01:31 hairj9888
Gpsudocode to implement: initialize an empty stack (for operators) while not_finished parsing the expression {obtain the next input token in the expression; switch (token) {case β β: break; //space case β(β: push; break; case β)β: pop & display popped element until β(β is encountered; //do not display the β(β break; case β+β, β-β, β*β, β/β, β%β: //β(β and β)β are not considered as operators if empty_stack or priority(token) > priority(stack_top) push; else pop & display popped element until empty_stack or until priority(token)< =priority(stack_top) push break; case operand: display; break;
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