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20191201 Advent of Code 2019 day 1
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| #!/bin/perl | |
| use strict; | |
| use integer; | |
| sub fuel { | |
| my $mass = $_[0] + 0; | |
| my $fuel = $mass / 3 - 2; | |
| return $fuel; | |
| } | |
| my $total = 0; | |
| my $count = 0; | |
| while (my $mass = <DATA>) { | |
| chomp($mass); | |
| my $fuel = fuel($mass); | |
| $total += $fuel; | |
| $count++; | |
| print $count, ") ", $mass, " ", $fuel, " ", $total, "\n"; | |
| } | |
| print "Total = $total\n"; | |
| __DATA__ | |
| 73617 | |
| 104372 | |
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| 105514 | |
| 78478 | |
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| 118553 | |
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| 108085 | |
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| 63717 | |
| 62805 | |
| 112693 | |
| 147810 | |
| 139827 | |
| 116220 | |
| 69711 | |
| 50236 | |
| 137833 | |
| 103743 | |
| 147456 | |
| 112098 | |
| 84867 | |
| 75615 | |
| 132738 | |
| 81072 | |
| 89444 | |
| 58443 | |
| 94465 | |
| 112494 | |
| 82127 | |
| 132533 |
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| #!/bin/perl -w | |
| use strict; | |
| use integer; | |
| sub m2f { | |
| my ($m, $accumulator) = @_; | |
| my $f = $m / 3 - 2; | |
| if ($f > 0) { | |
| my $f2 = $accumulator + $f; | |
| return m2f($f, $f2); | |
| } else { | |
| return $accumulator; | |
| } | |
| } | |
| my $total = 0; | |
| my $count = 0; | |
| while (my $mass = <DATA>) { | |
| chomp($mass); | |
| my $fuel = m2f($mass, 0); | |
| $total += $fuel; | |
| $count++; | |
| print $count, ") ", $mass, " ", $fuel, " ", $total, "\n"; | |
| } | |
| print "Total = $total\n"; | |
| __DATA__ | |
| 73617 | |
| 104372 | |
| 131825 | |
| 85022 | |
| 105514 | |
| 78478 | |
| 87420 | |
| 118553 | |
| 97680 | |
| 89479 | |
| 146989 | |
| 79746 | |
| 108085 | |
| 117895 | |
| 143811 | |
| 102509 | |
| 102382 | |
| 92975 | |
| 72978 | |
| 94208 | |
| 130521 | |
| 83042 | |
| 138605 | |
| 107566 | |
| 63374 | |
| 71176 | |
| 129487 | |
| 118408 | |
| 115425 | |
| 63967 | |
| 98282 | |
| 121829 | |
| 92834 | |
| 61084 | |
| 70122 | |
| 87221 | |
| 132773 | |
| 141347 | |
| 133225 | |
| 81199 | |
| 94994 | |
| 60881 | |
| 110074 | |
| 63499 | |
| 143107 | |
| 76618 | |
| 86818 | |
| 135394 | |
| 106908 | |
| 96085 | |
| 99801 | |
| 112903 | |
| 51751 | |
| 56002 | |
| 70924 | |
| 62180 | |
| 133025 | |
| 68025 | |
| 122660 | |
| 64898 | |
| 77339 | |
| 62109 | |
| 133891 | |
| 134460 | |
| 84224 | |
| 54836 | |
| 59748 | |
| 125540 | |
| 67796 | |
| 71845 | |
| 92899 | |
| 130103 | |
| 74612 | |
| 136820 | |
| 96212 | |
| 132002 | |
| 97405 | |
| 82629 | |
| 63717 | |
| 62805 | |
| 112693 | |
| 147810 | |
| 139827 | |
| 116220 | |
| 69711 | |
| 50236 | |
| 137833 | |
| 103743 | |
| 147456 | |
| 112098 | |
| 84867 | |
| 75615 | |
| 132738 | |
| 81072 | |
| 89444 | |
| 58443 | |
| 94465 | |
| 112494 | |
| 82127 | |
| 132533 |
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