X-Git-Url: https://ruin.nu/git/?p=icfp05.git;a=blobdiff_plain;f=robber%2Frobber.cpp;h=dbb287a4d760b5bb2dd231497778866318fb24a4;hp=52e00de1fc50775d37093db9373e234976a66c3f;hb=d7d9942fc9d1066670e166182e36791dfbf035d7;hpb=33d49b42ba7bb8e9d043d0f33489cffaad303d43

diff --git a/robber/robber.cpp b/robber/robber.cpp
index 52e00de..dbb287a 100644
--- a/robber/robber.cpp
+++ b/robber/robber.cpp
@@ -1,28 +1,12 @@
 #include "robber.h"
 #include <iostream>
 #include <iterator>
+#include <queue>
 #include <cmath>
 
 using namespace std;
 using namespace __gnu_cxx;
 
-struct FindCop : SPGoal{
-	int _limit;
-	const hash_map<string, Player>& _players;
-	FindCop(const hash_map<string, Player>& players, int limit = 0) : _players(players), _limit(limit){}
-	int operator()(const SPInfo* node) const{
-		if (_limit > 0 && node->cost >= _limit)
-			return -1;
-		for(hash_map<string, Player>::const_iterator player = _players.begin();
-				player != _players.end(); ++player){
-			if (player->second.type != robber && player->second.location == node->name){
-				return 1;
-			}
-		}
-		return 0;
-	}
-};
-
 string Robber::turn(){
 	hash_map<string,double> streets;
 	Intersection& inter = _intersections[_location];
@@ -32,29 +16,27 @@ string Robber::turn(){
 			cerr << "Discarding: " << street->first << " since car is needed" << endl;
 			continue;
 		}
-		double goodness = 10;
+		double goodness = 0;
 		Intersection& conInter = _intersections[street->first];
 
-		list<string> l = shortestPath(street->first, _type, FindCop(_players, 5));
-		if (l.size() > 0){
-			cerr << "Cop " << l.size() << " intersections away." << endl;
-			if (l.size() < 3)
-				continue;
-			goodness *= 1 - 1/l.size();
-		}
+		list<string> closestFootCop = shortestPath(street->first, cop_foot, FindPlayer(_players, cop_foot, 6), true);
+		list<string> closestCarCop = shortestPath(street->first, cop_car, FindPlayer(_players, cop_car, 5), true);
 
-		if (conInter.type == bank){
-			cerr << "FOUND A BANK" << endl;
-			if (l.size() > 0 && l.size() < 4)
-				continue;
-			else if (_banks[street->first] > 0){
-				cerr << "No cop close to bank" << endl;
-				return street->first;
-			}
-		}
-		if (goodness == 0)
+		unsigned int closestCop = 0;
+		bool copInCar = false;
+
+		if (closestCarCop.size() < closestFootCop.size() && closestCarCop.size() > 0){
+			closestCop = closestCarCop.size();
+			copInCar = true;
+		}else 
+			closestCop = closestFootCop.size();
+
+		if (closestCop > 0 && closestCop < 3){
+			cerr << "Cop " << closestCop << " intersections away." << endl;
 			continue;
-		vector<double> banks;
+		}
+
+		priority_queue<double> banks;
 		for(hash_map<string,int>::const_iterator bank = _banks.begin();
 				bank != _banks.end(); ++bank){
 			//cerr << "Handling bank at: " << bank->first << endl;
@@ -62,14 +44,35 @@ string Robber::turn(){
 				list<string> l = shortestPath(street->first, _type, SimpleSPGoal(bank->first));
 				if (l.size() < 1)
 					continue;
-				list<string>::iterator i = l.begin();
+				//list<string>::iterator i = l.begin();
 				//++i;
-				banks.push_back(bank->second/(pow(l.size(),2.0)));
+				banks.push(bank->second/(pow(l.size(),4.0)));
+			}
+		}
+		//sort(banks.begin(),banks.end(),greater<double>());
+
+		for (unsigned int i = 0; i < 2 && banks.size() > 0;++i){
+			goodness += banks.top();
+			banks.pop();
+		}
+
+		cerr << "Goodness before cop: " << goodness << endl;
+		if (closestCop > 2){
+			cerr << "Cop " << closestCop << " intersections away." << endl;
+			goodness *= 1 - 1/(copInCar ? closestCop : closestCop - 1);
+		}
+		cerr << "Goodness after cop: " << goodness << endl;
+
+		if (conInter.type == bank){
+			cerr << "FOUND A BANK" << endl;
+			if (closestCop > 0 && closestCop < 4)
+				continue;
+			else if (_banks[street->first] > 0){
+				cerr << "No cop close to bank" << endl;
+				return street->first;
 			}
 		}
-		sort(banks.begin(),banks.end());
-		for (unsigned int i = 0; i < 2 && i < banks.size();++i)
-			goodness += banks[i];
+		
 		cerr << "Street: " << street->first << " goodness: " << goodness << endl;
 		streets[street->first] = goodness;
 	}
@@ -82,7 +85,7 @@ string Robber::turn(){
 	cerr << endl;
 	*/
 
-	string destination;
+	string destination = _location;
 	double goodness = 0;
 	for (hash_map<string,double>::const_iterator dest = streets.begin();
 			dest != streets.end(); ++dest){