119 lines
1.6 KiB
Python
119 lines
1.6 KiB
Python
from math import floor
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xs = [
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102473,
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84495,
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98490,
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68860,
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62204,
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72810,
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65185,
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145951,
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77892,
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108861,
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70764,
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67286,
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74002,
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80773,
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52442,
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131505,
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107162,
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126993,
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59784,
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64231,
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91564,
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68585,
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98735,
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69020,
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77332,
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60445,
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65826,
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111506,
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95431,
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146687,
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135119,
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86804,
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95915,
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85434,
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111303,
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148127,
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132921,
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136213,
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89004,
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143137,
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144853,
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143017,
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104386,
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100612,
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54760,
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63813,
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144191,
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84481,
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69718,
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84936,
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98621,
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124993,
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92736,
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60369,
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137284,
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101902,
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112726,
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51784,
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126496,
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85005,
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101661,
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137278,
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136637,
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90340,
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100209,
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53683,
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50222,
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132060,
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98797,
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139054,
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135638,
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100632,
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137849,
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125333,
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103981,
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76954,
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134352,
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74229,
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93402,
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62552,
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50286,
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57066,
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98439,
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120708,
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117827,
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107884,
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72837,
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148663,
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125645,
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61460,
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120555,
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142473,
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106668,
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58612,
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58576,
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143366,
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90058,
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121087,
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89546,
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126161,
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]
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def fuel_for_mass(x):
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"""Return the amount of fuel (in mass) required for a mass of X. The total
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amount of fuel includes the amount of fuel required for the fuel itself,
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since fuel also has a mass weights."""
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mass_fuel = floor(x / 3) - 2
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if mass_fuel < 0:
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return 0
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else:
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fuel_fuel = fuel_for_mass(mass_fuel)
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return mass_fuel + fuel_fuel
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print(sum(fuel_for_mass(x) for x in xs))
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