day01

5 files changed, 2301 insertions, 0 deletions

diff --git a/day01 b/day01
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diff --git a/day01.k b/day01.k
new file mode 100644
index 0000000..454dea7
--- /dev/null
+++ b/day01.k
@@ -0,0 +1 @@
++/'1 3#\:a@>a:+/'{0^(&^x)_x}`I$'0:"day01" / 67016 200116
diff --git a/day01.mew b/day01.mew
new file mode 100644
index 0000000..4dffbfa
--- /dev/null
+++ b/day01.mew
@@ -0,0 +1,9 @@
+(op=> (lines "day01")
+      (gmap string->number _)
+      (gsplit-on not _)
+      (gmap (inject +) _)
+      (into #() _)
+      (sort! _ >)
+      ,(juxt (fun=> (get _ 0))
+             (fun=> gen (gtake _ 3) ,(inject +)))
+      prn)
diff --git a/day01.rkt b/day01.rkt
new file mode 100644
index 0000000..0576f02
--- /dev/null
+++ b/day01.rkt
@@ -0,0 +1,10 @@
+#lang racket
+
+(define ordered-food
+  (sort (for/list ([para (string-split (file->string "day01") "\n\n")])
+          (for/sum ([line (string-split para "\n")])
+            (string->number line)))
+        >))
+
+(first ordered-food)                    ; 67016
+(apply + (take ordered-food 3))         ; 200116
diff --git a/day01.zig b/day01.zig
new file mode 100644
index 0000000..a12204c
--- /dev/null
+++ b/day01.zig
@@ -0,0 +1,33 @@
+const std = @import("std");
+const data = @embedFile("day01");
+
+var general_purpose_allocator = std.heap.GeneralPurposeAllocator(.{}){};
+const gpa = general_purpose_allocator.allocator();
+
+fn moreThan(context: void, a: i32, b: i32) std.math.Order {
+    _ = context;
+    return std.math.order(b, a);
+}
+
+pub fn main() !void {
+    var pq = std.PriorityQueue(i32, void, moreThan).init(gpa, {});
+
+    var lines = std.mem.split(u8, data, "\n");
+
+    var food: i32 = 0;
+    while (lines.next()) |line| {
+        var x: i32 = std.fmt.parseInt(i32, line, 10) catch {
+            try pq.add(food);
+            food = 0;
+            continue;
+        };
+        food += x;
+    }
+
+    var max3food: i32 = 0;
+    max3food += pq.remove();
+    std.debug.print("{}\n", .{max3food});
+    max3food += pq.remove();
+    max3food += pq.remove();
+    std.debug.print("{}\n", .{max3food});
+}