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Joined 1 year ago
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Cake day: September 19th, 2023

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  • My solution in python

    input="""Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
    Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
    Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
    Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
    Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green"""
    
    def parse(line):
        data={}
        data['game']=int(line[5:line.index(':')])
        data['hands']=[]
        for str in line[line.index(':')+1:].split(';'):
            h={'red':0,'green':0,'blue':0}
            for str2 in str.split(','):
                tmp=str2.strip(' ').split(' ')
                h[tmp[1]]=int(tmp[0])
            data['hands'].append(h)
    
        data['max_red']=max([x['red'] for x in data['hands']])
        data['max_green']=max([x['green'] for x in data['hands']])
        data['max_blue']=max([x['blue'] for x in data['hands']])
        data['power']=data['max_red']*data['max_green']*data['max_blue']
        data['possible'] = True
        if data['max_red'] > 12:
            data['possible'] = False
        if data['max_green'] > 13:
            data['possible'] = False
        if data['max_blue'] > 14:
            data['possible'] = False
    
    
        return data
    def loadFile(path):
        with open(path,'r') as f:
            return f.read()
    
    if __name__ == '__main__':
        input=loadFile('day2_input')
        res=[]
        total=0
        power_sum=0
        for row in input.split('\n'):
            data=parse(row)
            if data['possible']:
                total=total+data['game']
            power_sum=power_sum+data['power']
        print('total: %s, power: %s ' % (total,power_sum,))