744af0f22d 2014-07-26        kinaba: #include <iostream>
744af0f22d 2014-07-26        kinaba: #include <sstream>
744af0f22d 2014-07-26        kinaba: #include <iomanip>
744af0f22d 2014-07-26        kinaba: #include <vector>
744af0f22d 2014-07-26        kinaba: #include <string>
744af0f22d 2014-07-26        kinaba: #include <map>
744af0f22d 2014-07-26        kinaba: #include <set>
744af0f22d 2014-07-26        kinaba: #include <algorithm>
744af0f22d 2014-07-26        kinaba: #include <numeric>
744af0f22d 2014-07-26        kinaba: #include <iterator>
744af0f22d 2014-07-26        kinaba: #include <functional>
744af0f22d 2014-07-26        kinaba: #include <complex>
744af0f22d 2014-07-26        kinaba: #include <queue>
744af0f22d 2014-07-26        kinaba: #include <stack>
744af0f22d 2014-07-26        kinaba: #include <cmath>
744af0f22d 2014-07-26        kinaba: #include <cassert>
744af0f22d 2014-07-26        kinaba: #include <tuple>
744af0f22d 2014-07-26        kinaba: using namespace std;
744af0f22d 2014-07-26        kinaba: typedef long long LL;
744af0f22d 2014-07-26        kinaba: typedef complex<double> CMP;
744af0f22d 2014-07-26        kinaba: 
744af0f22d 2014-07-26        kinaba: enum Type {X, SUM, MAX};
744af0f22d 2014-07-26        kinaba: struct Tree {
744af0f22d 2014-07-26        kinaba: 	Type type;
744af0f22d 2014-07-26        kinaba: 	Tree* left;
744af0f22d 2014-07-26        kinaba: 	Tree* right;
744af0f22d 2014-07-26        kinaba: 	int size;
744af0f22d 2014-07-26        kinaba: 	~Tree() { delete left; delete right; }
744af0f22d 2014-07-26        kinaba: };
744af0f22d 2014-07-26        kinaba: 
744af0f22d 2014-07-26        kinaba: class CircuitsConstruction { public:
744af0f22d 2014-07-26        kinaba: 	int maximizeResistance(string circuit, vector <int> conductors)
744af0f22d 2014-07-26        kinaba: 	{
744af0f22d 2014-07-26        kinaba: 		sort(conductors.rbegin(), conductors.rend());
744af0f22d 2014-07-26        kinaba: 		const char* p = circuit.c_str();
744af0f22d 2014-07-26        kinaba: 		Tree* t = parse(p);
744af0f22d 2014-07-26        kinaba: 		int ans = solve(t, conductors);
744af0f22d 2014-07-26        kinaba: 		delete t;
744af0f22d 2014-07-26        kinaba: 		return ans;
744af0f22d 2014-07-26        kinaba: 	}
744af0f22d 2014-07-26        kinaba: 
744af0f22d 2014-07-26        kinaba: 	Tree* parse(const char*& p)
744af0f22d 2014-07-26        kinaba: 	{
744af0f22d 2014-07-26        kinaba: 		char tc = *p++;
744af0f22d 2014-07-26        kinaba: 		Tree* t = new Tree;
744af0f22d 2014-07-26        kinaba: 		t->type = (tc=='X' ? X : tc=='A' ? SUM : MAX);
744af0f22d 2014-07-26        kinaba: 		if(tc=='X') {
744af0f22d 2014-07-26        kinaba: 			t->left = t->right = 0;
744af0f22d 2014-07-26        kinaba: 			t->size = 1;
744af0f22d 2014-07-26        kinaba: 		} else {
744af0f22d 2014-07-26        kinaba: 			t->left = parse(p);
744af0f22d 2014-07-26        kinaba: 			t->right = parse(p);
744af0f22d 2014-07-26        kinaba: 			t->size = t->left->size + t->right->size;
744af0f22d 2014-07-26        kinaba: 		}
744af0f22d 2014-07-26        kinaba: 		return t;
744af0f22d 2014-07-26        kinaba: 	}
744af0f22d 2014-07-26        kinaba: 
744af0f22d 2014-07-26        kinaba: 	int plusdepth(Tree* t)
744af0f22d 2014-07-26        kinaba: 	{
744af0f22d 2014-07-26        kinaba: 		switch(t->type)
744af0f22d 2014-07-26        kinaba: 		{
744af0f22d 2014-07-26        kinaba: 		case X:
744af0f22d 2014-07-26        kinaba: 			return 0;
744af0f22d 2014-07-26        kinaba: 		case SUM:
744af0f22d 2014-07-26        kinaba: 			return plusdepth(t->left) + plusdepth(t->right) + 1;
744af0f22d 2014-07-26        kinaba: 		case MAX:
744af0f22d 2014-07-26        kinaba: 			return max(plusdepth(t->left), plusdepth(t->right));
744af0f22d 2014-07-26        kinaba: 		}
744af0f22d 2014-07-26        kinaba: 	}
744af0f22d 2014-07-26        kinaba: 
744af0f22d 2014-07-26        kinaba: 	int solve(Tree* t, const vector<int>& c)
744af0f22d 2014-07-26        kinaba: 	{
744af0f22d 2014-07-26        kinaba: 		int n = plusdepth(t)+1;
744af0f22d 2014-07-26        kinaba: 		return accumulate(c.begin(), c.begin()+n, 0);
744af0f22d 2014-07-26        kinaba: 	}
744af0f22d 2014-07-26        kinaba: };
744af0f22d 2014-07-26        kinaba: 
744af0f22d 2014-07-26        kinaba: // BEGIN CUT HERE
744af0f22d 2014-07-26        kinaba: #include <ctime>
744af0f22d 2014-07-26        kinaba: double start_time; string timer()
744af0f22d 2014-07-26        kinaba:  { ostringstream os; os << " (" << int((clock()-start_time)/CLOCKS_PER_SEC*1000) << " msec)"; return os.str(); }
744af0f22d 2014-07-26        kinaba: template<typename T> ostream& operator<<(ostream& os, const vector<T>& v)
744af0f22d 2014-07-26        kinaba:  { os << "{ ";
744af0f22d 2014-07-26        kinaba:    for(typename vector<T>::const_iterator it=v.begin(); it!=v.end(); ++it)
744af0f22d 2014-07-26        kinaba:    os << '\"' << *it << '\"' << (it+1==v.end() ? "" : ", "); os << " }"; return os; }
744af0f22d 2014-07-26        kinaba: void verify_case(const int& Expected, const int& Received) {
744af0f22d 2014-07-26        kinaba:  bool ok = (Expected == Received);
744af0f22d 2014-07-26        kinaba:  if(ok) cerr << "PASSED" << timer() << endl;  else { cerr << "FAILED" << timer() << endl;
744af0f22d 2014-07-26        kinaba:  cerr << "\to: \"" << Expected << '\"' << endl << "\tx: \"" << Received << '\"' << endl; } }
744af0f22d 2014-07-26        kinaba: #define CASE(N) {cerr << "Test Case #" << N << "..." << flush; start_time=clock();
744af0f22d 2014-07-26        kinaba: #define END	 verify_case(_, CircuitsConstruction().maximizeResistance(circuit, conductors));}
744af0f22d 2014-07-26        kinaba: int main(){
744af0f22d 2014-07-26        kinaba: 
744af0f22d 2014-07-26        kinaba: CASE(0)
744af0f22d 2014-07-26        kinaba: 	string circuit = "BXBXX";
744af0f22d 2014-07-26        kinaba: 	int conductors_[] = {8, 2, 3};
744af0f22d 2014-07-26        kinaba: 	  vector <int> conductors(conductors_, conductors_+sizeof(conductors_)/sizeof(*conductors_));
744af0f22d 2014-07-26        kinaba: 	int _ = 8;
744af0f22d 2014-07-26        kinaba: END
744af0f22d 2014-07-26        kinaba: CASE(1)
744af0f22d 2014-07-26        kinaba: 	string circuit = "AAXXAXAXX";
744af0f22d 2014-07-26        kinaba: 	int conductors_[] = {1, 1, 2, 8, 10};
744af0f22d 2014-07-26        kinaba: 	  vector <int> conductors(conductors_, conductors_+sizeof(conductors_)/sizeof(*conductors_));
744af0f22d 2014-07-26        kinaba: 	int _ = 22;
744af0f22d 2014-07-26        kinaba: END
744af0f22d 2014-07-26        kinaba: CASE(2)
744af0f22d 2014-07-26        kinaba: 	string circuit = "AXBXX";
744af0f22d 2014-07-26        kinaba: 	int conductors_[] = {8, 2, 3};
744af0f22d 2014-07-26        kinaba: 	  vector <int> conductors(conductors_, conductors_+sizeof(conductors_)/sizeof(*conductors_));
744af0f22d 2014-07-26        kinaba: 	int _ = 11;
744af0f22d 2014-07-26        kinaba: END
744af0f22d 2014-07-26        kinaba: CASE(3)
744af0f22d 2014-07-26        kinaba: 	string circuit = "BAAXBXXBXAXXBBAXXBXXAAXXX";
744af0f22d 2014-07-26        kinaba: 	int conductors_[] = {17, 7, 21, 102, 56, 72, 88, 15, 9, 192, 16, 8, 30};
744af0f22d 2014-07-26        kinaba: 	  vector <int> conductors(conductors_, conductors_+sizeof(conductors_)/sizeof(*conductors_));
744af0f22d 2014-07-26        kinaba: 	int _ = 454;
744af0f22d 2014-07-26        kinaba: END
744af0f22d 2014-07-26        kinaba: /*
744af0f22d 2014-07-26        kinaba: CASE(4)
744af0f22d 2014-07-26        kinaba: 	string circuit = ;
744af0f22d 2014-07-26        kinaba: 	int conductors_[] = ;
744af0f22d 2014-07-26        kinaba: 	  vector <int> conductors(conductors_, conductors_+sizeof(conductors_)/sizeof(*conductors_));
744af0f22d 2014-07-26        kinaba: 	int _ = ;
744af0f22d 2014-07-26        kinaba: END
744af0f22d 2014-07-26        kinaba: CASE(5)
744af0f22d 2014-07-26        kinaba: 	string circuit = ;
744af0f22d 2014-07-26        kinaba: 	int conductors_[] = ;
744af0f22d 2014-07-26        kinaba: 	  vector <int> conductors(conductors_, conductors_+sizeof(conductors_)/sizeof(*conductors_));
744af0f22d 2014-07-26        kinaba: 	int _ = ;
744af0f22d 2014-07-26        kinaba: END
744af0f22d 2014-07-26        kinaba: */
744af0f22d 2014-07-26        kinaba: }
744af0f22d 2014-07-26        kinaba: // END CUT HERE