20201216

20201216/main.go

@@ -0,0 +1,31 @@
+package main
+
+import "fmt"
+
+func main() {
+
+}
+
+func process(n int) []string {
+	m := make(map[string]struct{})
+	for i := 2; i <= n; i++ {
+		for j := 1; j < i; j++ {
+			g := findGCD(i, j)
+			m[fmt.Sprintf("%d/%d", j/g, i/g)] = struct{}{}
+		}
+	}
+	var ret []string
+	for k := range m {
+		ret = append(ret, k)
+	}
+	return ret
+}
+
+func findGCD(a, b int) int {
+	for a > 0 {
+		t := a
+		a = b % a
+		b = t
+	}
+	return b
+}