handled same number appearing twice

2/puzzle2p2.cpp

@@ -32,7 +32,6 @@ int main(){
             }
 
             list<int> currentLevelsBackup = currentLevels;
-            int numOfLevelsInLine = currentLevels.size();
             int numOfLevelsProcessed = 0;
             auto curListIt = currentLevels.begin();
             curListIt++; //point to second item in list
@@ -68,7 +67,6 @@ int main(){
                     levelStaysSame.push_front(index);
                 }
             }
-            float averageChange = totalChange/(currentLevels.size()-1); //we use average change to smooth out the data
 
             if (totalChange>0){
                 dir= UP;
@@ -76,12 +74,23 @@ int main(){
                 dir = DOWN;
             }
 
-            if (dir==UP&&levelGoDown.size()>2){ //if the overall direction goes up and more then 2 leves go down the list is bad 
+            if (dir==UP&&levelGoDown.size()>1){ //if the overall direction goes up and more then 1 level go down the list is bad 
                 currentLevels.clear();
-            } else if (dir==DOWN&&levelGoesUp.size()>2){ //same as above but opiosite dirrection 
+            } else if (dir==DOWN&&levelGoesUp.size()>1){ //same as above but opiosite dirrection 
                 currentLevels.clear();
             }
 
+            if (levelStaysSame.size()>1){ //cant have more then 1 number the same or the list is bad 
+                currentLevels.clear();
+            }
+
+            if (!currentLevels.empty()&&levelStaysSame.size()==1){
+                auto itNumberToDelete = currentLevels.begin();
+                advance(itNumberToDelete,levelStaysSame.front());
+                currentLevels.erase(itNumberToDelete);
+                listDirty = true;
+            }
+
             if (!currentLevels.empty()){
                 if (dir==UP&&levelGoDown.size()==1){
                     list<int>::iterator itNumberToDelete = currentLevels.begin();
@@ -95,15 +104,15 @@ int main(){
                     listDirty=true;
                 }
 
+                int numOfLevelsInLine = currentLevels.size();
+            
                 //need to pull the first one to have something to compare to
                 int prevlevel = currentLevels.front();
                 currentLevels.pop_front();
+                numOfLevelsProcessed++;
 
                 for (int level = currentLevels.front(); !currentLevels.empty();level=currentLevels.front()){
                     if (abs(prevlevel-level)>3) {currentLevels.clear();break;}
-                    if(prevlevel==level){ currentLevels.clear();break;}
-                    if(dir==UP&&(prevlevel<currentLevels.front())) {currentLevels.clear();break;}
-                    if(dir==DOWN&&(prevlevel>currentLevels.front())) {currentLevels.clear();break;}
                     
                     prevlevel=currentLevels.front();
                     currentLevels.pop_front();