advent-of-code

commit 38b5f7abe355b00d9062fffff80303021f39c056
parent 4ca24e7c89556e46130635585a299b8119d92334
Author: amin <dev@aminmesbah.com>
Date:   Mon,  2 Dec 2019 01:27:18 +0000

Add solution for 2019 01-1

FossilOrigin-Name: 8d286b38affbed1a80faef2315e5bd4507b4c088f0ee5242308732d51ee1f104
Diffstat:
A
day01_1.zig
 | 
125
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

1 file changed, 125 insertions(+), 0 deletions(-)
diff --git a/day01_1.zig b/day01_1.zig
@@ -0,0 +1,125 @@
+const std = @import("std");
+const dbg = std.debug;
+
+pub fn main() void {
+    var total_fuel: u32 = 0;
+    for (input) |mass, i| {
+        var module_fuel = get_fuel(mass);
+        total_fuel += module_fuel;
+    }
+    dbg.warn("Total fuel: {}\n", total_fuel);
+}
+
+fn get_fuel(mass: u32) u32 {
+    return (mass / 3) - 2;
+}
+
+test "get fuel" {
+    dbg.assert(get_fuel(12) == 2);
+    dbg.assert(get_fuel(14) == 2);
+    dbg.assert(get_fuel(1969) == 654);
+    dbg.assert(get_fuel(100756) == 33583);
+}
+
+const input = [_]u32{
+    91617,
+    134652,
+    101448,
+    83076,
+    53032,
+    80487,
+    106061,
+    103085,
+    71513,
+    143874,
+    102830,
+    121433,
+    139937,
+    104468,
+    53098,
+    75999,
+    113915,
+    73992,
+    90028,
+    64164,
+    101248,
+    111333,
+    89201,
+    89076,
+    129360,
+    81573,
+    54381,
+    64105,
+    104272,
+    144188,
+    81022,
+    125558,
+    87910,
+    135654,
+    110929,
+    131610,
+    147160,
+    139648,
+    118129,
+    93967,
+    123117,
+    77927,
+    112034,
+    84847,
+    145527,
+    72652,
+    123043,
+    136324,
+    71228,
+    118583,
+    56992,
+    141812,
+    60119,
+    105185,
+    97653,
+    134563,
+    54195,
+    64473,
+    75606,
+    148515,
+    88765,
+    112562,
+    52156,
+    119805,
+    117149,
+    149791,
+    128964,
+    108955,
+    55806,
+    86025,
+    148350,
+    74382,
+    73632,
+    141124,
+    101688,
+    106829,
+    132594,
+    113645,
+    90320,
+    104874,
+    95210,
+    118499,
+    56445,
+    86371,
+    113833,
+    122860,
+    112507,
+    55964,
+    105993,
+    92005,
+    83760,
+    90258,
+    56238,
+    127426,
+    147641,
+    129484,
+    107162,
+    99535,
+    107975,
+    136238,
+};