From 7ebb9a12f811f9b334815276621a2bdef391e917 Mon Sep 17 00:00:00 2001
From: Leah Neukirchen <leah@vuxu.org>
Date: Tue, 12 Dec 2017 13:33:29 +0100
Subject: day11

---
 day11.cc | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 day11.cc

(limited to 'day11.cc')

diff --git a/day11.cc b/day11.cc
new file mode 100644
index 0000000..9c51591
--- /dev/null
+++ b/day11.cc
@@ -0,0 +1,28 @@
+#include <algorithm>
+#include <iostream>
+#include <sstream>
+#include <string>
+#include <vector>
+
+using namespace std;
+
+int
+main() {
+	string sym;
+	int x{0}, y{0}, d{0}, maxd{0};
+
+	while (getline(cin, sym, ',')) {
+		if (cin.eof()) sym.pop_back();
+
+		if      (sym == "n" ) x--;
+		else if (sym == "s" ) x++;
+		else if (sym == "se")      y++;
+		else if (sym == "nw")      y--;
+		else if (sym == "ne") x--, y++;
+		else if (sym == "sw") x++, y--;
+
+		maxd = max(maxd, d = max({x,-x,y,-y,x+y,-x-y}));
+	}
+
+	cout << d << endl << maxd << endl;
+}
-- 
cgit 1.4.1