Created
February 26, 2012 13:20
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till fredrik
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| import time | |
| def main(): | |
| start = time.time() | |
| input_data = [] | |
| while(True): | |
| try: | |
| read_input = raw_input() | |
| if(read_input != ''): | |
| input_data.append(read_input) | |
| except EOFError: | |
| break | |
| input_data = input_data[1:] | |
| data = [[] for j in xrange(len(input_data) / 2)] | |
| counter = 0 | |
| for x in range(1,len(input_data),2): | |
| days_str = input_data[x].split(' ') | |
| days = map(int, days_str) | |
| #start = time.time() | |
| process(days) | |
| print 'process time: ' + str(time.time()-start) | |
| def process(prices): | |
| #print ' ' | |
| total_profit = 0 | |
| inx = range(len(prices)) | |
| inx.sort(lambda x,y: prices[y] - prices[x]) | |
| #print inx | |
| old_index = -1 | |
| for x in inx: | |
| if x > old_index: | |
| #print ' ' | |
| # print 'x = ' + str(x) | |
| #print 'old_index= ' + str(old_index) | |
| #print 'prices[' + str(old_index) + ':' + str(x+1) + '] ' + str(prices[old_index:x+1]) | |
| #print str(x+1) + ':end ' + str(prices[x+1:]) | |
| #print prices[old_index:x+1] | |
| if x - old_index == 1: | |
| old_index = x | |
| continue | |
| total_profit += calculate_profit(prices[:x+1]) | |
| # print prices | |
| prices = prices[x+1:] | |
| old_index = x | |
| #print ' ' | |
| print total_profit | |
| def calculate_profit(prices): | |
| #print '--- calc profit ---' | |
| #print prices | |
| if len(prices) <= 1: | |
| return 0 | |
| else: | |
| costs=0 | |
| revenue=0 | |
| for price in prices[:len(prices)-1]: | |
| costs +=price | |
| revenue = (len(prices)-1) * prices[-1] | |
| return revenue-costs | |
| if __name__ == '__main__': | |
| main() |
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