ddb24a372f 2012-10-19        kinaba: #include <iostream>
ddb24a372f 2012-10-19        kinaba: #include <sstream>
ddb24a372f 2012-10-19        kinaba: #include <iomanip>
ddb24a372f 2012-10-19        kinaba: #include <vector>
ddb24a372f 2012-10-19        kinaba: #include <string>
ddb24a372f 2012-10-19        kinaba: #include <map>
ddb24a372f 2012-10-19        kinaba: #include <set>
ddb24a372f 2012-10-19        kinaba: #include <algorithm>
ddb24a372f 2012-10-19        kinaba: #include <numeric>
ddb24a372f 2012-10-19        kinaba: #include <iterator>
ddb24a372f 2012-10-19        kinaba: #include <functional>
ddb24a372f 2012-10-19        kinaba: #include <complex>
ddb24a372f 2012-10-19        kinaba: #include <queue>
ddb24a372f 2012-10-19        kinaba: #include <stack>
ddb24a372f 2012-10-19        kinaba: #include <cmath>
ddb24a372f 2012-10-19        kinaba: #include <cassert>
ddb24a372f 2012-10-19        kinaba: using namespace std;
ddb24a372f 2012-10-19        kinaba: typedef long long LL;
ddb24a372f 2012-10-19        kinaba: typedef long double LD;
ddb24a372f 2012-10-19        kinaba: typedef complex<LD> CMP;
ddb24a372f 2012-10-19        kinaba: 
ddb24a372f 2012-10-19        kinaba: class Stamp { public:
ddb24a372f 2012-10-19        kinaba: 	int getMinimumCost(string desiredColor, int stampCost, int pushCost)
ddb24a372f 2012-10-19        kinaba: 	{
ddb24a372f 2012-10-19        kinaba: 		const int N = desiredColor.size();
ddb24a372f 2012-10-19        kinaba: 
ddb24a372f 2012-10-19        kinaba: 		int best = 0x7fffffff;
ddb24a372f 2012-10-19        kinaba: 		for(int L=1; L<=N; ++L) {
ddb24a372f 2012-10-19        kinaba: 			vector<int> dp(N+1, 999);
ddb24a372f 2012-10-19        kinaba: 			dp[0] = 0;
ddb24a372f 2012-10-19        kinaba: 			for(int e=1; e<=N; ++e) {
ddb24a372f 2012-10-19        kinaba: 				set<char> colors;
ddb24a372f 2012-10-19        kinaba: 				for(int s=e-1; s>=0; --s) {
ddb24a372f 2012-10-19        kinaba: 					if(desiredColor[s] != '*')
ddb24a372f 2012-10-19        kinaba: 						colors.insert(desiredColor[s]);
ddb24a372f 2012-10-19        kinaba: 					if(colors.size()<=1 && e-s>=L) {
ddb24a372f 2012-10-19        kinaba: 						int nPush = (e-s+L-1)/L;
ddb24a372f 2012-10-19        kinaba: 						dp[e] = min(dp[e], dp[s]+nPush);
ddb24a372f 2012-10-19        kinaba: 					}
ddb24a372f 2012-10-19        kinaba: 				}
ddb24a372f 2012-10-19        kinaba: 			}
ddb24a372f 2012-10-19        kinaba: 			best = min(best, L*stampCost + dp[N]*pushCost);
ddb24a372f 2012-10-19        kinaba: 		}
ddb24a372f 2012-10-19        kinaba: 		return best;
ddb24a372f 2012-10-19        kinaba: 	}
ddb24a372f 2012-10-19        kinaba: };
ddb24a372f 2012-10-19        kinaba: 
ddb24a372f 2012-10-19        kinaba: // BEGIN CUT HERE
ddb24a372f 2012-10-19        kinaba: #include <ctime>
ddb24a372f 2012-10-19        kinaba: double start_time; string timer()
ddb24a372f 2012-10-19        kinaba:  { ostringstream os; os << " (" << int((clock()-start_time)/CLOCKS_PER_SEC*1000) << " msec)"; return os.str(); }
ddb24a372f 2012-10-19        kinaba: template<typename T> ostream& operator<<(ostream& os, const vector<T>& v)
ddb24a372f 2012-10-19        kinaba:  { os << "{ ";
ddb24a372f 2012-10-19        kinaba:    for(typename vector<T>::const_iterator it=v.begin(); it!=v.end(); ++it)
ddb24a372f 2012-10-19        kinaba:    os << '\"' << *it << '\"' << (it+1==v.end() ? "" : ", "); os << " }"; return os; }
ddb24a372f 2012-10-19        kinaba: void verify_case(const int& Expected, const int& Received) {
ddb24a372f 2012-10-19        kinaba:  bool ok = (Expected == Received);
ddb24a372f 2012-10-19        kinaba:  if(ok) cerr << "PASSED" << timer() << endl;  else { cerr << "FAILED" << timer() << endl;
ddb24a372f 2012-10-19        kinaba:  cerr << "\to: \"" << Expected << '\"' << endl << "\tx: \"" << Received << '\"' << endl; } }
ddb24a372f 2012-10-19        kinaba: #define CASE(N) {cerr << "Test Case #" << N << "..." << flush; start_time=clock();
ddb24a372f 2012-10-19        kinaba: #define END	 verify_case(_, Stamp().getMinimumCost(desiredColor, stampCost, pushCost));}
ddb24a372f 2012-10-19        kinaba: int main(){
ddb24a372f 2012-10-19        kinaba: 
ddb24a372f 2012-10-19        kinaba: CASE(0)
ddb24a372f 2012-10-19        kinaba: 	string desiredColor = "RRGGBB";
ddb24a372f 2012-10-19        kinaba: 	int stampCost = 1;
ddb24a372f 2012-10-19        kinaba: 	int pushCost = 1;
ddb24a372f 2012-10-19        kinaba: 	int _ = 5;
ddb24a372f 2012-10-19        kinaba: END
ddb24a372f 2012-10-19        kinaba: CASE(1)
ddb24a372f 2012-10-19        kinaba: 	string desiredColor = "R**GB*";
ddb24a372f 2012-10-19        kinaba: 	int stampCost = 1;
ddb24a372f 2012-10-19        kinaba: 	int pushCost = 1;
ddb24a372f 2012-10-19        kinaba: 	int _ = 5;
ddb24a372f 2012-10-19        kinaba: END
ddb24a372f 2012-10-19        kinaba: CASE(2)
ddb24a372f 2012-10-19        kinaba: 	string desiredColor = "BRRB";
ddb24a372f 2012-10-19        kinaba: 	int stampCost = 2;
ddb24a372f 2012-10-19        kinaba: 	int pushCost = 7;
ddb24a372f 2012-10-19        kinaba: 	int _ = 30;
ddb24a372f 2012-10-19        kinaba: END
ddb24a372f 2012-10-19        kinaba: CASE(3)
ddb24a372f 2012-10-19        kinaba: 	string desiredColor = "R*RR*GG";
ddb24a372f 2012-10-19        kinaba: 	int stampCost = 10;
ddb24a372f 2012-10-19        kinaba: 	int pushCost = 58;
ddb24a372f 2012-10-19        kinaba: 	int _ = 204;
ddb24a372f 2012-10-19        kinaba: END
ddb24a372f 2012-10-19        kinaba: CASE(4)
ddb24a372f 2012-10-19        kinaba: 	string desiredColor = "*B**B**B*BB*G*BBB**B**B*";
ddb24a372f 2012-10-19        kinaba: 	int stampCost = 5;
ddb24a372f 2012-10-19        kinaba: 	int pushCost = 2;
ddb24a372f 2012-10-19        kinaba: 	int _ = 33;
ddb24a372f 2012-10-19        kinaba: END
ddb24a372f 2012-10-19        kinaba: CASE(5)
ddb24a372f 2012-10-19        kinaba: 	string desiredColor = "*R*RG*G*GR*RGG*G*GGR***RR*GG";
ddb24a372f 2012-10-19        kinaba: 	int stampCost = 7;
ddb24a372f 2012-10-19        kinaba: 	int pushCost = 1;
ddb24a372f 2012-10-19        kinaba: 	int _ = 30;
ddb24a372f 2012-10-19        kinaba: END
ddb24a372f 2012-10-19        kinaba: /*
ddb24a372f 2012-10-19        kinaba: CASE(6)
ddb24a372f 2012-10-19        kinaba: 	string desiredColor = ;
ddb24a372f 2012-10-19        kinaba: 	int stampCost = ;
ddb24a372f 2012-10-19        kinaba: 	int pushCost = ;
ddb24a372f 2012-10-19        kinaba: 	int _ = ;
ddb24a372f 2012-10-19        kinaba: END
ddb24a372f 2012-10-19        kinaba: CASE(7)
ddb24a372f 2012-10-19        kinaba: 	string desiredColor = ;
ddb24a372f 2012-10-19        kinaba: 	int stampCost = ;
ddb24a372f 2012-10-19        kinaba: 	int pushCost = ;
ddb24a372f 2012-10-19        kinaba: 	int _ = ;
ddb24a372f 2012-10-19        kinaba: END
ddb24a372f 2012-10-19        kinaba: */
ddb24a372f 2012-10-19        kinaba: }
ddb24a372f 2012-10-19        kinaba: // END CUT HERE