diff options
Diffstat (limited to '2018/aoc2018-d11-p2.py')
-rwxr-xr-x | 2018/aoc2018-d11-p2.py | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/2018/aoc2018-d11-p2.py b/2018/aoc2018-d11-p2.py new file mode 100755 index 0000000..dbfafe7 --- /dev/null +++ b/2018/aoc2018-d11-p2.py @@ -0,0 +1,108 @@ +#advent of code 2018
+#day 11
+#part 2
+#too lazy to clean up the code, might do it later (i.e. never)
+
+#setup
+GridSize = 300;
+SquareSize = 3;
+fcserialnumber = int(open("input.txt",'r').readline());
+
+testing = False;
+#testing = True;
+if testing:
+ fcserialnumber = 42; #18=>90,269,16 ; 42 => 21,61;
+
+class fuelcell:
+ def __init__(self, x, y, serialnumber):
+ self.positionX = x;
+ self.positionY = y;
+ self.rackID = self.positionX + 10;
+ self.powerlevel = self.rackID * self.positionY;
+ self.powerlevel += serialnumber;
+ self.powerlevel *= self.rackID;
+ self.powerlevel = self.powerlevel//100;
+ self.powerlevel = self.powerlevel%10;
+ self.powerlevel -= 5;
+ def coords(self):
+ print(f'Fuel Cell coordinates (x,y): {self.positionX},{self.positionY} ');
+ def __str__(self):
+ return f'{self.powerlevel}';
+
+'''
+testinput = [[3,5,8],[122,79,57],[217,196,39],[101,153,71]];
+
+for t in testinput:
+ dummycell = fuelcell(t[0],t[1],t[2]);
+ print(t, " -> ",dummycell.powerlevel);
+ dummycell.coords();
+
+print("#############################");
+print();
+'''
+
+fcgrid = [];
+gridline = [];
+
+print("#############################");
+print("INITIATE BATTERY ARRAY");
+for Y in range(GridSize):
+ gridline.clear();
+ for X in range(GridSize):
+ gridline.append(fuelcell(X+1,Y+1,fcserialnumber));
+ fcgrid.append(gridline.copy());
+
+print("#############################");
+print("CALCULATE SQUARE SUBSUMS");
+sumtable = [];
+
+gridline.clear();
+gridline.append(fcgrid[0][0].powerlevel);
+
+for X in range(1,GridSize):
+ SubSumFc = fcgrid[0][X].powerlevel + gridline[X-1];
+ gridline.append(SubSumFc);
+sumtable.append(gridline.copy());
+
+currentsubsum = 0;
+
+for Y in range(1,GridSize):
+ gridline.clear();
+ SubSumFc = sumtable[Y-1][0] + fcgrid[Y][0].powerlevel;
+ gridline.append(SubSumFc);
+ currentsubsum = fcgrid[Y][0].powerlevel;
+ for X in range(1,GridSize):
+ currentsubsum += fcgrid[Y][X].powerlevel;
+ gridline.append(sumtable[Y-1][X] + currentsubsum);
+ sumtable.append(gridline.copy());
+
+print("#############################");
+print("SEARCH FOR HIGHEST SUBSUM SQUARE");
+
+maxpower = -999;
+maxX = 0;
+maxY = 0;
+powernow = 0;
+maxsquare = 0;
+
+for Y in range(1,GridSize-3):
+ ssy = GridSize - Y;
+ for X in range(1,GridSize-3):
+ ssx = GridSize - X;
+ SquareSize = (ssx>=ssy)*ssy + ssx*(ssx<ssy);
+ for s in range(SquareSize):
+ powernow = 0;
+ powernow = sumtable[Y+s][X+s] - sumtable[Y-1][X+s] - sumtable[Y+s][X-1] + sumtable[Y-1][X-1];
+ if (powernow > maxpower):
+ maxX = X;
+ maxY = Y;
+ maxpower = powernow;
+ maxsquare = s;
+ #print("new max power: ", maxpower, " // ", powernow);
+
+print("#############################");
+print("Results:");
+print(maxX, "\t", maxY, "\t", maxsquare, "\t", maxpower);
+fcgrid[maxY][maxX].coords();
+print("winrar part 2:\t", fcgrid[maxY][maxX].positionX,",",fcgrid[maxY][maxX].positionY,",",maxsquare+1,end="");
+
|