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Solve 2020/3/first

master
Garrit Franke 3 years ago
parent
c765adf9cb
commit
c657016c82
3 changed files with 378 additions and 0 deletions
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  1. 3
      2020/3/go.mod
  2. 323
      2020/3/input.txt
  3. 52
      2020/3/main.go

3
2020/3/go.mod
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module 3
go 1.15

323
2020/3/input.txt
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52
2020/3/main.go
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package main
import (
"fmt"
"io/ioutil"
"strings"
)
func main() {
data, err := ioutil.ReadFile("input.txt")
if err != nil {
fmt.Println("File reading error", err)
return
}
lines := strings.Split(string(data), "\n")
fmt.Println("First result:", first(lines))
fmt.Println("Second result:", second(lines))
}
func first(lines []string) interface{} {
currentX := 0
numTrees := 0
for i, line := range lines {
if i == 0 {
continue
}
currentX += 3
objects := strings.Split(line, "")
if currentX >= len(objects) {
currentX %= len(objects)
}
if objects[currentX] == "#" {
numTrees++
}
}
return numTrees
}
func second(lines []string) interface{} {
result := 0
return result
}
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