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2022/02.awk/02.awk

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+BEGIN {
+	sout[1] = "rock"
+	sout[2] = "paper"
+	sout[3] = "scissors"
+	map["A"] = 1
+	map["B"] = 2
+	map["C"] = 3
+	map["X"] = 0
+	map["Y"] = 3
+	map["Z"] = 6
+	table[1,1] = 3
+	table[1,2] = 6
+	table[1,3] = 0
+	table[2,2] = 3
+	table[2,1] = 0
+	table[2,3] = 6
+	table[3,3] = 3
+	table[3,1] = 6
+	table[3,2] = 0
+
+	sum = 0
+	r = 0
+}
+
+function tic_tac_toe(f, s, map, table) {
+	mf = ""
+	ms = ""
+	# print "f: " f, map[f]
+	# print "s: " s, map[s]
+	if( (map[f] != "") && (map[s] != "")) {
+		mf = map[f]
+		ms = map[s]
+
+		return table[mf,ms]
+	}
+
+	return 0
+
+}
+
+function tic_tac_toe_prev(f, s, map, table) {
+	mf = ""
+	ms = ""
+	# print "f: " f, map[f]
+	# print "s: " s, map[s]
+	res = -1
+	if( (map[f] != "") && (map[s] != "")) {
+		mf = map[f]
+		ms = map[s]
+
+		for(i = 1; i <= 3; i++) {
+			if(res == -1) {
+				if(table[mf,i] == ms) {
+					res = table[mf,i] + i
+					# print "m>",f,s,mf,i,ms,res
+				}
+			}
+		}
+
+		return res
+	}
+
+	return -1
+
+}
+
+{
+	r = tic_tac_toe_prev($1, $2, map, table)
+	# print sout[map[$1]] " " sout[map[$2]] ": " r
+	sum += r
+}
+
+END {
+	print sum
+}