Google Codejam 2016 Round 3 Problem A

# source: https://code.google.com/codejam/contest/3224486/dashboard#s=p0
# finished in a bit under 25 minutes

import sys

def main():
    filename = sys.argv[1]
    with open(filename) as f:
        num_inputs = int(f.readline())
        for i in range(num_inputs):
            score = 0
            problems = []
            moods = f.readline()
            for j in range(len(moods)):
                # the assumption is that you'll only request problems that're the same mood that the grader is in
                # reason being that you can receive a maximum of 10 points and a minimum of 5,
                # whereas for the other mood it'll be a max of 5 and a min of 0
                if len(problems) == 0:
                    problems.append(moods[j])
                elif len(problems) >= len(moods) - j:
                    if problems[-1] == moods[j]:
                        score += 10
                    else:
                        score += 5
                    problems.pop()
                elif problems[-1] == moods[j]:
                    score += 10
                    problems.pop()
                else:
                    problems.append(moods[j])
            print('Case #', i+1, ': ', score, sep='')

if __name__ == '__main__':
    main()