feat(go): add 791A & 600B

go/600B.go

@@ -0,0 +1,34 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"sort"
+)
+
+func main() {
+	in := bufio.NewReader(os.Stdin)
+	var n, m int
+	fmt.Fscan(in, &n, &m)
+
+	a := make([]int, n)
+	for i := range a {
+		fmt.Fscan(in, &a[i])
+	}
+	sort.Ints(a)
+
+	out := bufio.NewWriter(os.Stdout)
+	for i := 0; i < m; i++ {
+		var x int
+		fmt.Fscan(in, &x)
+
+		pos := sort.SearchInts(a, x+1)
+
+		fmt.Fprint(out, pos)
+		if i+1 < m {
+			fmt.Fprint(out, " ")
+		}
+	}
+	out.Flush()
+}

go/791A.go

@@ -0,0 +1,19 @@
+package main
+
+import (
+	"fmt"
+)
+
+func main() {
+	var a, b int
+	fmt.Scan(&a, &b)
+
+	years := 0
+	for a <= b {
+		a *= 3
+		b *= 2
+		years++
+	}
+
+	fmt.Println(years)
+}