14e9f37735 2012-01-14        kinaba: #include <iostream>
14e9f37735 2012-01-14        kinaba: #include <sstream>
14e9f37735 2012-01-14        kinaba: #include <iomanip>
14e9f37735 2012-01-14        kinaba: #include <vector>
14e9f37735 2012-01-14        kinaba: #include <string>
14e9f37735 2012-01-14        kinaba: #include <map>
14e9f37735 2012-01-14        kinaba: #include <set>
14e9f37735 2012-01-14        kinaba: #include <algorithm>
14e9f37735 2012-01-14        kinaba: #include <numeric>
14e9f37735 2012-01-14        kinaba: #include <iterator>
14e9f37735 2012-01-14        kinaba: #include <functional>
14e9f37735 2012-01-14        kinaba: #include <complex>
14e9f37735 2012-01-14        kinaba: #include <queue>
14e9f37735 2012-01-14        kinaba: #include <stack>
14e9f37735 2012-01-14        kinaba: #include <cmath>
14e9f37735 2012-01-14        kinaba: #include <cassert>
14e9f37735 2012-01-14        kinaba: #include <cstring>
14e9f37735 2012-01-14        kinaba: #ifdef __GNUC__
14e9f37735 2012-01-14        kinaba: #include <ext/hash_map>
14e9f37735 2012-01-14        kinaba: #define unordered_map __gnu_cxx::hash_map
14e9f37735 2012-01-14        kinaba: #else
14e9f37735 2012-01-14        kinaba: #include <unordered_map>
14e9f37735 2012-01-14        kinaba: #endif
14e9f37735 2012-01-14        kinaba: using namespace std;
14e9f37735 2012-01-14        kinaba: typedef long long LL;
14e9f37735 2012-01-14        kinaba: typedef complex<double> CMP;
14e9f37735 2012-01-14        kinaba: 
14e9f37735 2012-01-14        kinaba: class MinCostPalindrome { public:
14e9f37735 2012-01-14        kinaba: 	int getMinimum(string s, int oCost, int xCost)
14e9f37735 2012-01-14        kinaba: 	{
14e9f37735 2012-01-14        kinaba: 		int total = 0;
14e9f37735 2012-01-14        kinaba: 		for(int i=0; i<s.size()-i-1; ++i)
14e9f37735 2012-01-14        kinaba: 			if( s[i]=='o' && s[s.size()-i-1]=='x' )
14e9f37735 2012-01-14        kinaba: 				return -1;
14e9f37735 2012-01-14        kinaba: 			else if( s[i]=='x' && s[s.size()-i-1]=='o' )
14e9f37735 2012-01-14        kinaba: 				return -1;
14e9f37735 2012-01-14        kinaba: 			else if( s[i]=='o' && s[s.size()-i-1]=='?'
14e9f37735 2012-01-14        kinaba: 				  || s[i]=='?' && s[s.size()-i-1]=='o' )
14e9f37735 2012-01-14        kinaba: 				total += oCost;
14e9f37735 2012-01-14        kinaba: 			else if( s[i]=='x' && s[s.size()-i-1]=='?'
14e9f37735 2012-01-14        kinaba: 				  || s[i]=='?' && s[s.size()-i-1]=='x' )
14e9f37735 2012-01-14        kinaba: 				total += xCost;
14e9f37735 2012-01-14        kinaba: 			else if( s[i]=='?' && s[s.size()-i-1]=='?' )
14e9f37735 2012-01-14        kinaba: 				total += min(oCost, xCost) * 2;
14e9f37735 2012-01-14        kinaba: 		if( s.size()%2 == 1 && s[s.size()/2]=='?' )
14e9f37735 2012-01-14        kinaba: 			total += min(oCost, xCost);
14e9f37735 2012-01-14        kinaba: 		return total;
14e9f37735 2012-01-14        kinaba: 	}
14e9f37735 2012-01-14        kinaba: };
14e9f37735 2012-01-14        kinaba: 
14e9f37735 2012-01-14        kinaba: // BEGIN CUT HERE
14e9f37735 2012-01-14        kinaba: #include <ctime>
14e9f37735 2012-01-14        kinaba: double start_time; string timer()
14e9f37735 2012-01-14        kinaba:  { ostringstream os; os << " (" << int((clock()-start_time)/CLOCKS_PER_SEC*1000) << " msec)"; return os.str(); }
14e9f37735 2012-01-14        kinaba: template<typename T> ostream& operator<<(ostream& os, const vector<T>& v)
14e9f37735 2012-01-14        kinaba:  { os << "{ ";
14e9f37735 2012-01-14        kinaba:    for(typename vector<T>::const_iterator it=v.begin(); it!=v.end(); ++it)
14e9f37735 2012-01-14        kinaba:    os << '\"' << *it << '\"' << (it+1==v.end() ? "" : ", "); os << " }"; return os; }
14e9f37735 2012-01-14        kinaba: void verify_case(const int& Expected, const int& Received) {
14e9f37735 2012-01-14        kinaba:  bool ok = (Expected == Received);
14e9f37735 2012-01-14        kinaba:  if(ok) cerr << "PASSED" << timer() << endl;  else { cerr << "FAILED" << timer() << endl;
14e9f37735 2012-01-14        kinaba:  cerr << "\to: \"" << Expected << '\"' << endl << "\tx: \"" << Received << '\"' << endl; } }
14e9f37735 2012-01-14        kinaba: #define CASE(N) {cerr << "Test Case #" << N << "..." << flush; start_time=clock();
14e9f37735 2012-01-14        kinaba: #define END	 verify_case(_, MinCostPalindrome().getMinimum(s, oCost, xCost));}
14e9f37735 2012-01-14        kinaba: int main(){
14e9f37735 2012-01-14        kinaba: 
14e9f37735 2012-01-14        kinaba: CASE(0)
14e9f37735 2012-01-14        kinaba: 	string s = "oxo?xox?";
14e9f37735 2012-01-14        kinaba: 	int oCost = 3;
14e9f37735 2012-01-14        kinaba: 	int xCost = 5;
14e9f37735 2012-01-14        kinaba: 	int _ = 8;
14e9f37735 2012-01-14        kinaba: END
14e9f37735 2012-01-14        kinaba: CASE(1)
14e9f37735 2012-01-14        kinaba: 	string s = "x??x";
14e9f37735 2012-01-14        kinaba: 	int oCost = 9;
14e9f37735 2012-01-14        kinaba: 	int xCost = 4;
14e9f37735 2012-01-14        kinaba: 	int _ = 8;
14e9f37735 2012-01-14        kinaba: END
14e9f37735 2012-01-14        kinaba: CASE(2)
14e9f37735 2012-01-14        kinaba: 	string s = "ooooxxxx";
14e9f37735 2012-01-14        kinaba: 	int oCost = 12;
14e9f37735 2012-01-14        kinaba: 	int xCost = 34;
14e9f37735 2012-01-14        kinaba: 	int _ = -1;
14e9f37735 2012-01-14        kinaba: END
14e9f37735 2012-01-14        kinaba: CASE(3)
14e9f37735 2012-01-14        kinaba: 	string s = "oxoxooxxxxooxoxo";
14e9f37735 2012-01-14        kinaba: 	int oCost = 7;
14e9f37735 2012-01-14        kinaba: 	int xCost = 4;
14e9f37735 2012-01-14        kinaba: 	int _ = 0;
14e9f37735 2012-01-14        kinaba: END
14e9f37735 2012-01-14        kinaba: CASE(4)
14e9f37735 2012-01-14        kinaba: 	string s = "?o";
14e9f37735 2012-01-14        kinaba: 	int oCost = 6;
14e9f37735 2012-01-14        kinaba: 	int xCost = 2;
14e9f37735 2012-01-14        kinaba: 	int _ = 6;
14e9f37735 2012-01-14        kinaba: END
14e9f37735 2012-01-14        kinaba: CASE(5)
14e9f37735 2012-01-14        kinaba: 	string s = "????????????????????";
14e9f37735 2012-01-14        kinaba: 	int oCost = 50;
14e9f37735 2012-01-14        kinaba: 	int xCost = 49;
14e9f37735 2012-01-14        kinaba: 	int _ = 980;
14e9f37735 2012-01-14        kinaba: END
14e9f37735 2012-01-14        kinaba: CASE(6)
14e9f37735 2012-01-14        kinaba: 	string s = "o??oxxo?xoox?ox??x??" ;
14e9f37735 2012-01-14        kinaba: 	int oCost = 3;
14e9f37735 2012-01-14        kinaba: 	int xCost = 10;
14e9f37735 2012-01-14        kinaba: 	int _ = 38;
14e9f37735 2012-01-14        kinaba: END
14e9f37735 2012-01-14        kinaba: /*
14e9f37735 2012-01-14        kinaba: CASE(7)
14e9f37735 2012-01-14        kinaba: 	string s = ;
14e9f37735 2012-01-14        kinaba: 	int oCost = ;
14e9f37735 2012-01-14        kinaba: 	int xCost = ;
14e9f37735 2012-01-14        kinaba: 	int _ = ;
14e9f37735 2012-01-14        kinaba: END
14e9f37735 2012-01-14        kinaba: CASE(8)
14e9f37735 2012-01-14        kinaba: 	string s = ;
14e9f37735 2012-01-14        kinaba: 	int oCost = ;
14e9f37735 2012-01-14        kinaba: 	int xCost = ;
14e9f37735 2012-01-14        kinaba: 	int _ = ;
14e9f37735 2012-01-14        kinaba: END
14e9f37735 2012-01-14        kinaba: */
14e9f37735 2012-01-14        kinaba: }
14e9f37735 2012-01-14        kinaba: // END CUT HERE