Added the first days

2021/01/first.b98

@@ -0,0 +1,4 @@
+&:>#;&-:v@,a.$$;
+  :     0
+  ^   -<w-\1+\
+       ^<

2021/01/first.go

@@ -0,0 +1,39 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"log"
+	"os"
+	"strconv"
+)
+
+func main() {
+	f, err := os.Open("input")
+	if err != nil {
+		log.Fatalf("%+v", err)
+	}
+	defer f.Close()
+
+	scanner := bufio.NewScanner(f)
+	scanner.Split(bufio.ScanLines)
+
+	scanner.Scan()
+	prev, err := strconv.Atoi(scanner.Text())
+	if err != nil {
+		log.Fatalf("%+v", err)
+	}
+	result := 0
+
+	for scanner.Scan() {
+		i, err := strconv.Atoi(scanner.Text())
+		if err != nil {
+			log.Fatalf("%+v", err)
+		}
+		if i > prev {
+			result++
+		}
+		prev = i
+	}
+	fmt.Println(result)
+}

2021/01/second.b98

@@ -0,0 +1,4 @@
+v                    >       v
+>&00p&10p&20p>#;&:00gw;@,a.; v
+             ^       >\1+\   v
+             ^p02p01g02p00g01<

2021/01/second.go

@@ -0,0 +1,57 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"log"
+	"os"
+	"strconv"
+)
+
+func main() {
+	f, err := os.Open("input")
+	if err != nil {
+		log.Fatalf("%+v", err)
+	}
+	defer f.Close()
+
+	scanner := bufio.NewScanner(f)
+	scanner.Split(bufio.ScanLines)
+
+	scanner.Scan()
+	A, err := strconv.Atoi(scanner.Text())
+	if err != nil {
+		log.Fatalf("%+v", err)
+	}
+	scanner.Scan()
+	B, err := strconv.Atoi(scanner.Text())
+	if err != nil {
+		log.Fatalf("%+v", err)
+	}
+	A += B
+	scanner.Scan()
+	C, err := strconv.Atoi(scanner.Text())
+	if err != nil {
+		log.Fatalf("%+v", err)
+	}
+	B += C
+	A += C
+
+	result := 0
+
+	for scanner.Scan() {
+		D, err := strconv.Atoi(scanner.Text())
+		if err != nil {
+			log.Fatalf("%+v", err)
+		}
+		C += D
+		B += D
+		if B > A {
+			result++
+		}
+		A = B
+		B = C
+		C = D
+	}
+	fmt.Println(result)
+}