Fix even odd

Co-authored-by: sigonasr2 <sigonasr2@gmail.com>

main.cpp

@@ -25,11 +25,12 @@ struct Room{
 };
 
 std::map<std::string,Room>rooms;
+std::vector<std::string>targetRooms;
 int maxFlow=0;
 int iterations=0;
 int branchesRemaining=0;
 
-void printArr(std::vector<std::string> a, int n){
+void printArr(int n){
     int minutesRemaining1=26;
     int minutesRemaining2=26;
     std::string currentPos="AA";
@@ -44,11 +45,11 @@ void printArr(std::vector<std::string> a, int n){
     int flowTotal=0;
 
     for (int i=0;i<n;i++){
-        std::string valve=a[i];
-        if ((i&1)==0){
-            movePlan1.push_back(valve);
-        } else {
+        std::string valve=targetRooms[i];
+        if (i&1){
             movePlan2.push_back(valve);
+        } else {
+            movePlan1.push_back(valve);
         }
         //std::cout<<a[i]<<" ";
     }
@@ -81,17 +82,17 @@ void printArr(std::vector<std::string> a, int n){
     }
 }
 
-void permutation(std::vector<std::string> a,int size, int n){
+void permutation(int size, int n){
     if (size==1){
-        printArr(a,n);
+        printArr(n);
         return;
     }
     for (int i=0;i<size;i++){
-        permutation(a,size-1,n);
+        permutation(size-1,n);
         if (size&1){
-            swap(a[0],a[size-1]);
+            swap(targetRooms[i],targetRooms[size-i]);
         } else {
-            swap(a[i],a[size-i]);
+            swap(targetRooms[0],targetRooms[size-1]);
         }
     }
 }
@@ -157,7 +158,6 @@ void explore(std::string currentRoom,std::map<std::string,bool>visitedvalves,int
 
 int main()
 {
-    std::vector<std::string>targetRooms;
 	std::ifstream file("testinput");
     while (file.good()){
         std::string line;