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#advent of code 2018
#day 11
#part 1
#setup
GridSize = 300;
SquareSize = 3;
fcserialnumber = int(open("input.txt",'r').readline());
testing = False;
#testing = True;
if testing:
fcserialnumber = 42; #18=>33,45 ; 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 = [];
for Y in range(GridSize):
gridline.clear();
for X in range(GridSize):
gridline.append(fuelcell(X+1,Y+1,fcserialnumber));
fcgrid.append(gridline.copy());
maxpower = -999; #negative power just to start the algorythm
maxX = 0;
maxY = 0;
powernow = 0;
for Y in range(GridSize-SquareSize+1):
for X in range(GridSize-SquareSize+1):
powernow = 0;
for sy in range(SquareSize):
for sx in range(SquareSize):
powernow += fcgrid[Y+sy][X+sx].powerlevel;
if (powernow > maxpower):
maxpower = powernow;
maxX = X;
maxY = Y;
#print(f'maximum found: {maxX},{maxY} => {maxpower}');
print("part 1: ");
fcgrid[maxY][maxX].coords();
#10,300 wrong
#9,0 wrong
#0,9 wrong
#33,45
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