-
Notifications
You must be signed in to change notification settings - Fork 0
/
day1.go
45 lines (40 loc) · 842 Bytes
/
day1.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
package main
import (
"fmt"
"bufio"
"os"
"strconv"
)
func main() {
f, _ := os.Open("day1_input")
s := bufio.NewScanner(f)
var res int = 0
measurements := make([]int64, 0)
for s.Scan() {
t, _ := strconv.ParseInt(s.Text(),10, 0)
measurements = append(measurements, t)
}
var prev int64 = 10000
// Part1
for _,v := range measurements{
if v > prev {
res++
}
prev = v
}
fmt.Println(res)
// Part2
var prevWindow int64 = 10000
var window int64
res = 0
for i,v := range measurements{
if i < len(measurements) - 2 {
window = v + measurements[i+1] + measurements[i+2]
}
if window > prevWindow {
res++
}
prevWindow = window
}
fmt.Println(res)
}