4fd800b3a8 2011-02-23 kinaba: #include <iostream> 4fd800b3a8 2011-02-23 kinaba: #include <sstream> 4fd800b3a8 2011-02-23 kinaba: #include <iomanip> 4fd800b3a8 2011-02-23 kinaba: #include <vector> 4fd800b3a8 2011-02-23 kinaba: #include <string> 4fd800b3a8 2011-02-23 kinaba: #include <map> 4fd800b3a8 2011-02-23 kinaba: #include <set> 4fd800b3a8 2011-02-23 kinaba: #include <algorithm> 4fd800b3a8 2011-02-23 kinaba: #include <numeric> 4fd800b3a8 2011-02-23 kinaba: #include <iterator> 4fd800b3a8 2011-02-23 kinaba: #include <functional> 4fd800b3a8 2011-02-23 kinaba: #include <complex> 4fd800b3a8 2011-02-23 kinaba: #include <queue> 4fd800b3a8 2011-02-23 kinaba: #include <stack> 4fd800b3a8 2011-02-23 kinaba: #include <cmath> 4fd800b3a8 2011-02-23 kinaba: #include <cassert> 4fd800b3a8 2011-02-23 kinaba: #include <cstring> 4fd800b3a8 2011-02-23 kinaba: using namespace std; 4fd800b3a8 2011-02-23 kinaba: typedef long long LL; 4fd800b3a8 2011-02-23 kinaba: typedef complex<double> CMP; 4fd800b3a8 2011-02-23 kinaba: 4fd800b3a8 2011-02-23 kinaba: class TheNewHouseDivOne { public: 4fd800b3a8 2011-02-23 kinaba: double distance(vector <int> x, vector <int> y, int k) 4fd800b3a8 2011-02-23 kinaba: { 4fd800b3a8 2011-02-23 kinaba: double minD = 1e+99; 4fd800b3a8 2011-02-23 kinaba: for(double X=-50; X<=+50; X+=0.5) 4fd800b3a8 2011-02-23 kinaba: for(double Y=-50; Y<=+50; Y+=0.5) 4fd800b3a8 2011-02-23 kinaba: { 4fd800b3a8 2011-02-23 kinaba: vector<double> d; 4fd800b3a8 2011-02-23 kinaba: for(int i=0; i<x.size(); ++i) 4fd800b3a8 2011-02-23 kinaba: d.push_back( abs(x[i]-X) + abs(y[i]-Y) ); 4fd800b3a8 2011-02-23 kinaba: nth_element(d.begin(), d.begin()+k-1, d.end()); 4fd800b3a8 2011-02-23 kinaba: minD = min(minD, d[k-1]); 4fd800b3a8 2011-02-23 kinaba: } 4fd800b3a8 2011-02-23 kinaba: return minD; 4fd800b3a8 2011-02-23 kinaba: } 4fd800b3a8 2011-02-23 kinaba: }; 4fd800b3a8 2011-02-23 kinaba: 4fd800b3a8 2011-02-23 kinaba: // BEGIN CUT HERE 4fd800b3a8 2011-02-23 kinaba: #include <ctime> 4fd800b3a8 2011-02-23 kinaba: double start_time; string timer() 4fd800b3a8 2011-02-23 kinaba: { ostringstream os; os << " (" << int((clock()-start_time)/CLOCKS_PER_SEC*1000) << " msec)"; return os.str(); } 4fd800b3a8 2011-02-23 kinaba: template<typename T> ostream& operator<<(ostream& os, const vector<T>& v) 4fd800b3a8 2011-02-23 kinaba: { os << "{ "; 4fd800b3a8 2011-02-23 kinaba: for(typename vector<T>::const_iterator it=v.begin(); it!=v.end(); ++it) 4fd800b3a8 2011-02-23 kinaba: os << '\"' << *it << '\"' << (it+1==v.end() ? "" : ", "); os << " }"; return os; } 4fd800b3a8 2011-02-23 kinaba: void verify_case(const double& Expected, const double& Received) { 4fd800b3a8 2011-02-23 kinaba: double diff = Expected - Received; if (diff < 0) diff = -diff; bool ok = (diff < 1e-9); 4fd800b3a8 2011-02-23 kinaba: if(ok) cerr << "PASSED" << timer() << endl; else { cerr << "FAILED" << timer() << endl; 4fd800b3a8 2011-02-23 kinaba: cerr << "\to: \"" << Expected << '\"' << endl << "\tx: \"" << Received << '\"' << endl; } } 4fd800b3a8 2011-02-23 kinaba: #define CASE(N) {cerr << "Test Case #" << N << "..." << flush; start_time=clock(); 4fd800b3a8 2011-02-23 kinaba: #define END verify_case(_, TheNewHouseDivOne().distance(x, y, k));} 4fd800b3a8 2011-02-23 kinaba: int main(){ 4fd800b3a8 2011-02-23 kinaba: 4fd800b3a8 2011-02-23 kinaba: CASE(0) 4fd800b3a8 2011-02-23 kinaba: int x_[] = {-1, -1, 1, 1}; 4fd800b3a8 2011-02-23 kinaba: vector <int> x(x_, x_+sizeof(x_)/sizeof(*x_)); 4fd800b3a8 2011-02-23 kinaba: int y_[] = {-1, 1, -1, 1}; 4fd800b3a8 2011-02-23 kinaba: vector <int> y(y_, y_+sizeof(y_)/sizeof(*y_)); 4fd800b3a8 2011-02-23 kinaba: int k = 3; 4fd800b3a8 2011-02-23 kinaba: double _ = 2.0; 4fd800b3a8 2011-02-23 kinaba: END 4fd800b3a8 2011-02-23 kinaba: CASE(1) 4fd800b3a8 2011-02-23 kinaba: int x_[] = {-1, -1, 1, 1}; 4fd800b3a8 2011-02-23 kinaba: vector <int> x(x_, x_+sizeof(x_)/sizeof(*x_)); 4fd800b3a8 2011-02-23 kinaba: int y_[] = {-1, 1, -1, 1}; 4fd800b3a8 2011-02-23 kinaba: vector <int> y(y_, y_+sizeof(y_)/sizeof(*y_)); 4fd800b3a8 2011-02-23 kinaba: int k = 2; 4fd800b3a8 2011-02-23 kinaba: double _ = 1.0; 4fd800b3a8 2011-02-23 kinaba: END 4fd800b3a8 2011-02-23 kinaba: CASE(2) 4fd800b3a8 2011-02-23 kinaba: int x_[] = {4, 4, 4, 4, 4, 3, 3, 5, 5}; 4fd800b3a8 2011-02-23 kinaba: vector <int> x(x_, x_+sizeof(x_)/sizeof(*x_)); 4fd800b3a8 2011-02-23 kinaba: int y_[] = {7, 7, 7, 4, 4, 5, 6, 5, 6}; 4fd800b3a8 2011-02-23 kinaba: vector <int> y(y_, y_+sizeof(y_)/sizeof(*y_)); 4fd800b3a8 2011-02-23 kinaba: int k = 9; 4fd800b3a8 2011-02-23 kinaba: double _ = 1.5; 4fd800b3a8 2011-02-23 kinaba: END 4fd800b3a8 2011-02-23 kinaba: CASE(3) 4fd800b3a8 2011-02-23 kinaba: int x_[] = {30, -15, 24, -23, 43, -8, -6, -47, 23, -11, 43, 6, -18, 44, -46, 16, 32, 31, 13, 9, 22, 25, 4, -44, 38, -41, -20, 41, -35, 7, 25, 39, -36, -20, -5, -38, -15, -22, 0}; 4fd800b3a8 2011-02-23 kinaba: vector <int> x(x_, x_+sizeof(x_)/sizeof(*x_)); 4fd800b3a8 2011-02-23 kinaba: int y_[] = {-45, -7, -33, 31, -8, -33, -20, -14, -50, -48, -31, 35, -24, -31, -11, 41, -41, -11, 46, -1, -5, 5, -39, -26, -40, -9, 16, 38, -30, 34, 46, -17, -27, 33, -38, 28, 46, -16, -46}; 4fd800b3a8 2011-02-23 kinaba: vector <int> y(y_, y_+sizeof(y_)/sizeof(*y_)); 4fd800b3a8 2011-02-23 kinaba: int k = 13; 4fd800b3a8 2011-02-23 kinaba: double _ = 32.0; 4fd800b3a8 2011-02-23 kinaba: END 4fd800b3a8 2011-02-23 kinaba: 4fd800b3a8 2011-02-23 kinaba: } 4fd800b3a8 2011-02-23 kinaba: // END CUT HERE