Add '2019/' from commit 'fc21396bc86bc0f706225f4f6e1d8294d344ca53'

git-subtree-dir: 2019
git-subtree-mainline: f1be11fca8
git-subtree-split: fc21396bc8

2019/05/src/main.zig

@@ -0,0 +1,29 @@
+const std = @import("std");
+const intcode = @import("intcode");
+
+pub fn main() anyerror!void {
+    var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator);
+    defer arena.deinit();
+
+    const alloc = &arena.allocator;
+
+    var p1 = try intcode.loadFromStdIn(alloc);
+    var p2 = try alloc.alloc(intcode.Word, p1.len);
+    std.mem.copy(intcode.Word, p2, p1);
+
+    var m1 = try intcode.Machine.init(alloc, p1);
+    var m2 = try intcode.Machine.init(alloc, p2);
+
+    try m1.writeToInput(1); // Air conditioner unit
+    try m1.run();
+
+    var out: intcode.Word = 0;
+    while (out == 0) : (out = try m1.readFromOutput()) {}
+
+    std.debug.warn("Day 5, Part 1: {}\n", out);
+
+    try m2.writeToInput(5); // Thermal radiator controller
+    try m2.run();
+
+    std.debug.warn("Day 5, Part 2: {}\n", try m2.readFromOutput());
+}