b57cc94f1b 2011-10-08        kinaba: #include <iostream>
b57cc94f1b 2011-10-08        kinaba: #include <sstream>
b57cc94f1b 2011-10-08        kinaba: #include <iomanip>
b57cc94f1b 2011-10-08        kinaba: #include <vector>
b57cc94f1b 2011-10-08        kinaba: #include <string>
b57cc94f1b 2011-10-08        kinaba: #include <map>
b57cc94f1b 2011-10-08        kinaba: #include <set>
b57cc94f1b 2011-10-08        kinaba: #include <algorithm>
b57cc94f1b 2011-10-08        kinaba: #include <numeric>
b57cc94f1b 2011-10-08        kinaba: #include <iterator>
b57cc94f1b 2011-10-08        kinaba: #include <functional>
b57cc94f1b 2011-10-08        kinaba: #include <complex>
b57cc94f1b 2011-10-08        kinaba: #include <queue>
b57cc94f1b 2011-10-08        kinaba: #include <stack>
b57cc94f1b 2011-10-08        kinaba: #include <cmath>
b57cc94f1b 2011-10-08        kinaba: #include <cassert>
b57cc94f1b 2011-10-08        kinaba: #include <cstring>
b57cc94f1b 2011-10-08        kinaba: using namespace std;
b57cc94f1b 2011-10-08        kinaba: typedef long long LL;
b57cc94f1b 2011-10-08        kinaba: typedef complex<double> CMP;
b57cc94f1b 2011-10-08        kinaba: 
b57cc94f1b 2011-10-08        kinaba: class WhiteSpaceEditing { public:
b57cc94f1b 2011-10-08        kinaba: 	int getMinimum(vector <int> lines)
b57cc94f1b 2011-10-08        kinaba: 	{
b57cc94f1b 2011-10-08        kinaba: 		const int N = lines.size();
b57cc94f1b 2011-10-08        kinaba: 		const int V = *max_element(lines.begin(), lines.end());
b57cc94f1b 2011-10-08        kinaba: 		vector<int> dp(V+1), dp_neo(V+1);
b57cc94f1b 2011-10-08        kinaba: 		for(int v=0; v<=V; ++v)
b57cc94f1b 2011-10-08        kinaba: 			dp[v] = abs(v - lines[N-1]);
b57cc94f1b 2011-10-08        kinaba: 		for(int i=N-2; i>=0; --i)
b57cc94f1b 2011-10-08        kinaba: 		{
b57cc94f1b 2011-10-08        kinaba: 			int best = INT_MAX;
b57cc94f1b 2011-10-08        kinaba: 			for(int v=lines[i]; v>=0; --v) {
b57cc94f1b 2011-10-08        kinaba: 				best = min(best, dp[v]);
b57cc94f1b 2011-10-08        kinaba: 				dp_neo[v] = abs(v - lines[i]) + best;
b57cc94f1b 2011-10-08        kinaba: 			}
b57cc94f1b 2011-10-08        kinaba: 			best = INT_MAX;
b57cc94f1b 2011-10-08        kinaba: 			for(int v=lines[i]; v<=V; ++v) {
b57cc94f1b 2011-10-08        kinaba: 				best = min(best, dp[v]);
b57cc94f1b 2011-10-08        kinaba: 				dp_neo[v] = abs(v - lines[i]) + best;
b57cc94f1b 2011-10-08        kinaba: 			}
b57cc94f1b 2011-10-08        kinaba: 			dp.swap(dp_neo);
b57cc94f1b 2011-10-08        kinaba: 		}
b57cc94f1b 2011-10-08        kinaba: 		return dp[0] + N-1;
b57cc94f1b 2011-10-08        kinaba: 	}
b57cc94f1b 2011-10-08        kinaba: };
b57cc94f1b 2011-10-08        kinaba: 
b57cc94f1b 2011-10-08        kinaba: // BEGIN CUT HERE
b57cc94f1b 2011-10-08        kinaba: #include <ctime>
b57cc94f1b 2011-10-08        kinaba: double start_time; string timer()
b57cc94f1b 2011-10-08        kinaba:  { ostringstream os; os << " (" << int((clock()-start_time)/CLOCKS_PER_SEC*1000) << " msec)"; return os.str(); }
b57cc94f1b 2011-10-08        kinaba: template<typename T> ostream& operator<<(ostream& os, const vector<T>& v)
b57cc94f1b 2011-10-08        kinaba:  { os << "{ ";
b57cc94f1b 2011-10-08        kinaba:    for(typename vector<T>::const_iterator it=v.begin(); it!=v.end(); ++it)
b57cc94f1b 2011-10-08        kinaba:    os << '\"' << *it << '\"' << (it+1==v.end() ? "" : ", "); os << " }"; return os; }
b57cc94f1b 2011-10-08        kinaba: void verify_case(const int& Expected, const int& Received) {
b57cc94f1b 2011-10-08        kinaba:  bool ok = (Expected == Received);
b57cc94f1b 2011-10-08        kinaba:  if(ok) cerr << "PASSED" << timer() << endl;  else { cerr << "FAILED" << timer() << endl;
b57cc94f1b 2011-10-08        kinaba:  cerr << "\to: \"" << Expected << '\"' << endl << "\tx: \"" << Received << '\"' << endl; } }
b57cc94f1b 2011-10-08        kinaba: #define CASE(N) {cerr << "Test Case #" << N << "..." << flush; start_time=clock();
b57cc94f1b 2011-10-08        kinaba: #define END	 verify_case(_, WhiteSpaceEditing().getMinimum(lines));}
b57cc94f1b 2011-10-08        kinaba: int main(){
b57cc94f1b 2011-10-08        kinaba: 
b57cc94f1b 2011-10-08        kinaba: CASE(0)
b57cc94f1b 2011-10-08        kinaba: 	int lines_[] = { 3, 2, 3 };
b57cc94f1b 2011-10-08        kinaba: 	  vector <int> lines(lines_, lines_+sizeof(lines_)/sizeof(*lines_));
b57cc94f1b 2011-10-08        kinaba: 	int _ = 6;
b57cc94f1b 2011-10-08        kinaba: END
b57cc94f1b 2011-10-08        kinaba: CASE(1)
b57cc94f1b 2011-10-08        kinaba: 	int lines_[] = { 0 };
b57cc94f1b 2011-10-08        kinaba: 	  vector <int> lines(lines_, lines_+sizeof(lines_)/sizeof(*lines_));
b57cc94f1b 2011-10-08        kinaba: 	int _ = 0;
b57cc94f1b 2011-10-08        kinaba: END
b57cc94f1b 2011-10-08        kinaba: CASE(2)
b57cc94f1b 2011-10-08        kinaba: 	int lines_[] = { 1, 2, 4 }
b57cc94f1b 2011-10-08        kinaba: ;
b57cc94f1b 2011-10-08        kinaba: 	  vector <int> lines(lines_, lines_+sizeof(lines_)/sizeof(*lines_));
b57cc94f1b 2011-10-08        kinaba: 	int _ = 6;
b57cc94f1b 2011-10-08        kinaba: END
b57cc94f1b 2011-10-08        kinaba: CASE(3)
b57cc94f1b 2011-10-08        kinaba: 	int lines_[] = { 250, 105, 155, 205, 350 }
b57cc94f1b 2011-10-08        kinaba: ;
b57cc94f1b 2011-10-08        kinaba: 	  vector <int> lines(lines_, lines_+sizeof(lines_)/sizeof(*lines_));
b57cc94f1b 2011-10-08        kinaba: 	int _ = 499;
b57cc94f1b 2011-10-08        kinaba: END
b57cc94f1b 2011-10-08        kinaba: CASE(4)
b57cc94f1b 2011-10-08        kinaba: int lines_[] = {0};
b57cc94f1b 2011-10-08        kinaba: 	  vector <int> lines(lines_, lines_+sizeof(lines_)/sizeof(*lines_));
b57cc94f1b 2011-10-08        kinaba: 	int _ = 0;
b57cc94f1b 2011-10-08        kinaba: END
b57cc94f1b 2011-10-08        kinaba: CASE(5)
b57cc94f1b 2011-10-08        kinaba: int lines_[] = {1};
b57cc94f1b 2011-10-08        kinaba: 	  vector <int> lines(lines_, lines_+sizeof(lines_)/sizeof(*lines_));
b57cc94f1b 2011-10-08        kinaba: 	int _ = 1;
b57cc94f1b 2011-10-08        kinaba: END
b57cc94f1b 2011-10-08        kinaba: CASE(5)
b57cc94f1b 2011-10-08        kinaba: 	int lines_[] = {10};
b57cc94f1b 2011-10-08        kinaba: 	  vector <int> lines(lines_, lines_+sizeof(lines_)/sizeof(*lines_));
b57cc94f1b 2011-10-08        kinaba: 	int _ = 10;
b57cc94f1b 2011-10-08        kinaba: END
b57cc94f1b 2011-10-08        kinaba: CASE(5)
b57cc94f1b 2011-10-08        kinaba: 	int lines_[] = {10,10};
b57cc94f1b 2011-10-08        kinaba: 	  vector <int> lines(lines_, lines_+sizeof(lines_)/sizeof(*lines_));
b57cc94f1b 2011-10-08        kinaba: 	int _ = 11;
b57cc94f1b 2011-10-08        kinaba: END
b57cc94f1b 2011-10-08        kinaba: CASE(5)
b57cc94f1b 2011-10-08        kinaba: 	int lines_[] = {1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000,1000000};
b57cc94f1b 2011-10-08        kinaba: 	  vector <int> lines(lines_, lines_+sizeof(lines_)/sizeof(*lines_));
b57cc94f1b 2011-10-08        kinaba: 	int _ = 1000049;
b57cc94f1b 2011-10-08        kinaba: END
b57cc94f1b 2011-10-08        kinaba: 
b57cc94f1b 2011-10-08        kinaba: }
b57cc94f1b 2011-10-08        kinaba: // END CUT HERE