Added day15.go

djsheehy · Dec 22, 2017 · 01dbae7 · 01dbae7
1 parent a288614
commit 01dbae7
Showing 1 changed file with 24 additions and 0 deletions.
diff --git a/2017/day15/day15.go b/2017/day15/day15.go
@@ -0,0 +1,24 @@
+package main
+
+import "fmt"
+
+type pair struct{ x, y uint16 }
+
+func (p *pair) generate() bool {
+	p.x *= 16807
+	p.y *= 48271
+	return p.x == p.y
+}
+
+func main() {
+	p := &pair{783, 325}
+	count := 0
+	var i uint64
+	for i = 0; i < 40000000; i++ {
+		g := p.generate()
+		if g {
+			count++
+		}
+	}
+	fmt.Println(count)
+}