#include #include #include using namespace std; int alphaarr[26]; stack st; double calnum(double num1, double num2, char op) { if (op == '+') return num1 + num2; else if (op == '-') return num1 - num2; else if (op == '*') return num1 * num2; else if (op == '/') return num1 / num2; } int main(void) { int n; cin >> n; //5 char str[101]; cin >> str; //ABC*+DE/- for (int i = 0; i > al..