#include #include #include #include using namespace std; int main() { int n; cin>>n; vector c(n); int add=0, sub=0; for(int i=0;i>t; c[i]=t[0]; if (t[0]=='+') ++add; if (t[0]=='-') ++sub; } sort(c.rbegin(), c.rend()); long maxi=0; int i=0; for(;i0) { for(i=0;i num(add+1); for(int i=0;i