From 656d6fb7ee07b70d708b9ec922b7d24cf2989617 Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Fri, 2 Dec 2022 12:39:37 +0100
Subject: day 2 part 2

---
 22.2/main.cpp | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

(limited to '22.2/main.cpp')

diff --git a/22.2/main.cpp b/22.2/main.cpp
index 0ab6017..65e76b6 100644
--- a/22.2/main.cpp
+++ b/22.2/main.cpp
@@ -1,20 +1,29 @@
 #include <cstdio>
 using namespace std;
 
+int
+scoreFor(int their, int mine)
+{
+	int outcome = (mine - their + 4) % 3; /* 0 loss, 1 draw, 2 win */
+	return outcome * 3 + mine + 1;
+}
+
 int
 main()
 {
 	char move, res;
-	long total = 0;
+	long total1 = 0, total2 = 0;
 	while (scanf("%c %c ", &move, &res) == 2) {
 		move -= 'A';
 		res -= 'X';
 		if (!(0 <= move && move < 3)) throw "bad input";
 		if (!(0 <= res && res < 3)) throw "bad input";
 
-		int outcome = (res - move + 4) % 3; /* 0 loss, 1 draw, 2 win */
-		long score = outcome * 3 + res + 1;
-		total += score;
+		int mine = (move + res - 1 + 3) % 3;
+
+		total1 += scoreFor(move, res);
+		total2 += scoreFor(move, mine);
 	}
-	printf("%ld\n", total);
+	printf("%ld\n", total1);
+	printf("%ld\n", total2);
 }
-- 
cgit 1.4.1-2-gfad0