feat(go): add aplusb

go/aplusb.go

@@ -0,0 +1,21 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+)
+
+func main() {
+	in := bufio.NewReader(os.Stdin)
+	out := bufio.NewWriter(os.Stdout)
+	defer out.Flush()
+
+	var n int
+	fmt.Fscan(in, &n)
+	for ; n > 0; n-- {
+		var a, b int64
+		fmt.Fscan(in, &a, &b)
+		fmt.Fprintln(out, a+b)
+	}
+}