d1

day1/one.go

@@ -0,0 +1,32 @@
+package main
+import (
+ "bufio"
+ "fmt"
+ "os"
+ "strconv"
+)
+
+func main(){
+
+ file, err := os.Open("one.txt")
+ if err != nil {
+ panic(err)
+ }
+ defer file.Close()
+
+ scanner := bufio.NewScanner(file)
+
+ var l []int
+ ans := 0
+
+ for scanner.Scan() {
+ i, _ := strconv.Atoi(scanner.Text())
+ l = append(l, i)
+ }
+ for i := 1; i < len(l); i++ {
+ if l[i] > l[i-1] {
+ ans += 1
+ }
+ }
+ fmt.Println("answer: ", ans)
+}