fixed debugging drawing and bugs

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

main.cpp

@@ -15,20 +15,85 @@ enum Direction{
 struct Blizzard{
     vi2d pos;
     Direction dir;
+    bool moved=false;
 };
+
 int maxWidth=0;
+vi2d playerPos={1,0};
+std::vector<std::vector<std::vector<Blizzard>>>boardState;
+
+std::vector<std::vector<Blizzard>> getBoard(int minute){
+    if (minute<boardState.size()){
+        return boardState[minute];
+    } else {
+        std::vector<std::vector<Blizzard>> prevBoardState=getBoard(minute-1);
+        for (int y=0;y<prevBoardState.size();y++){
+            std::vector<Blizzard>&blizzardList=prevBoardState[y];
+            for (int x=0;x<blizzardList.size();x++){
+                Blizzard&b=blizzardList[x];
+                b.moved=false;
+            }
+        }
+        for (int y=0;y<prevBoardState.size();y++){
+            std::vector<Blizzard>&blizzardList=prevBoardState[y];
+            blizzardList.reserve(100);
+            for (int x=0;x<blizzardList.size();x++){
+                Blizzard&b=blizzardList[x];
+                if (!b.moved){
+                    b.moved=true;
+                    switch (b.dir){
+                        case NORTH:{
+                            vi2d dest={b.pos.x,b.pos.y-1};
+                            if (dest.y<1){
+                                dest.y=prevBoardState.size()-2;
+                            }
+                            b.pos=dest;
+                            (&prevBoardState[dest.y])->push_back(b);
+                            blizzardList.erase(blizzardList.begin()+x--);
+                        }break;
+                        case EAST:{
+                            vi2d dest={b.pos.x+1,b.pos.y};
+                            if (dest.x>=maxWidth-1){
+                                dest.x=1;
+                            }
+                            b.pos=dest;
+                        }break;
+                        case SOUTH:{
+                            vi2d dest={b.pos.x,b.pos.y+1};
+                            if (dest.y>=prevBoardState.size()-1){
+                                dest.y=1;
+                            }
+                            b.pos=dest;
+                            (&prevBoardState[dest.y])->push_back(b);
+                            blizzardList.erase(blizzardList.begin()+x--);
+                        }break;
+                        case WEST:{
+                            vi2d dest={b.pos.x-1,b.pos.y};
+                            if (dest.x<1){
+                                dest.x=maxWidth-2;
+                            }
+                            b.pos=dest;
+                        }break;
+                    }
+                }
+            }
+        }
+        boardState.push_back(prevBoardState);
+        return prevBoardState;
+    }
+}
 
 int main()
 {
-	std::ifstream file("input");
+	std::ifstream file("smallinput");
-    std::vector<std::vector<std::vector<Blizzard>>>boardState;
+    std::vector<std::vector<Blizzard>>board;
     while (file.good()){
         std::string line;
-        std::vector<std::vector<Blizzard>>board;
         std::getline(file,line);
         if (line.length()>0){
             std::cout<<line<<std::endl;
             std::vector<Blizzard>boardRow;
+            boardRow.reserve(100);
             for (int i=0;i<line.length();i++){
                 if (line[i]!='#'&&line[i]!='.'){
                     boardRow.push_back({{i,(int)board.size()},line[i]=='^'?Direction::NORTH:line[i]=='>'?Direction::EAST:line[i]=='v'?Direction::SOUTH:line[i]=='<'?Direction::WEST:Direction::INVALID});
@@ -37,9 +102,9 @@ int main()
             maxWidth=line.length();
             board.push_back(boardRow);
         }
-        boardState.push_back(board);
     }
-    for (int d=0;d<boardState.size();d++){
+    boardState.push_back(board);
+    /*for (int d=0;d<boardState.size();d++){
         for (int y=0;y<boardState[d].size();y++){
             int prevBlizzard=-1;
             for (int x=0;x<boardState[d][y].size();x++){
@@ -71,7 +136,48 @@ int main()
             }
             std::cout<<std::endl;
         }
+    }*/
+    for (int i=0;i<10;i++){
+        std::cout<<"Board "<<i+1<<std::endl;
+        std::vector<std::vector<Blizzard>>board=getBoard(i+1);
+        for (int y=0;y<board.size();y++){
+            int prevBlizzard=-1;
+            std::vector<Blizzard>sorted=board[y];
+            std::sort(sorted.begin(),sorted.end(),[](Blizzard&b1,Blizzard&b2){return b1.pos.x<b2.pos.y;});
+            for (int x=0;x<sorted.size();x++){
+                Blizzard&b=sorted[x];
+                for (int k=prevBlizzard;k<b.pos.x-1;k++){
+                    std::cout<<'.';
+                }
+                if (prevBlizzard<b.pos.x){
+                    switch (b.dir){
+                        case NORTH:{
+                            std::cout<<'^';
+                        }break;
+                        case EAST:{
+                            std::cout<<'>';
+                        }break;
+                        case SOUTH:{
+                            std::cout<<'v';
+                        }break;
+                        case WEST:{
+                            std::cout<<'<';
+                        }break;
+                        case INVALID:{
+                            std::cout<<'?';
+                        }break;
+                    }
+                    prevBlizzard=b.pos.x;
+                }
+            }
+            for (int k=prevBlizzard;k<maxWidth-1;k++){
+                std::cout<<'.';
+            }
+            std::cout<<std::endl;
+        }
+        std::cout<<"=================="<<std::endl<<std::endl;
     }
 
+
 	return 0;
 }

smallinput

@@ -0,0 +1,7 @@
+#.#####
+#.....#
+#>^...#
+#.<...#
+#...v.#
+#.....#
+#####.#

testinput

@@ -0,0 +1,6 @@
+#.######
+#>>.<^<#
+#.<..<<#
+#>v.><>#
+#<^v^^>#
+######.#