#include<cstdio> #include<cmath> #include<map> #include<stack> using namespace std; int main(){ int a,b; char s[20]; while (scanf("%d %s %d", &a, &s, &b) != EOF){ stack<int> hhh; map<char, int>mymap = { { '0', 0 }, { '1', 1 }, { '2', 2 }, { '3', 3 }, ...