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Restyled README and file structure

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Signed-off-by: Ettore Dreucci <ettore.dreucci@gmail.com>
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Ettore Dreucci
2020-12-25 23:50:29 +01:00
parent 0ba35ffae1
commit d8db2fcd5d
102 changed files with 7 additions and 32 deletions
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2018/day_01/main.go Normal file
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package main
import (
"bufio"
"fmt"
"log"
"os"
"strconv"
)
func main() {
//count to maintain the total sum of the frequence changes
count := 0
//current to maintain the partial frequence at a stage
current := 0
//freqChange to store the individual frequence changes
var freqChange []int
//freqList to store all the stage frequences
freqList := map[int]bool{0: true}
//We open the input file
file, err := os.Open("./input")
if err != nil {
//If there is an error we print it in the stderr and exit(1)
log.Fatal(err)
}
//We defer the closure of the file
defer file.Close()
//We create a scanner to the file
scan := bufio.NewScanner(file)
//We iterate throught the file line
for scan.Scan() {
//We convert each line into an int
num, err := strconv.Atoi(scan.Text())
if err != nil {
//If the conversion generate an error we print it to stderr
log.Printf("Error converting line to int: %v", err)
} else {
//Otherwise we add the current freq change to count
count += num
//And we append it to freqChange
freqChange = append(freqChange, num)
}
}
fmt.Printf("Part One: %v\n", count)
for {
for _, freqMod := range freqChange {
current += freqMod
_, found := freqList[current]
if found {
fmt.Printf("Part Two: %v\n", current)
os.Exit(0)
} else {
freqList[current] = true
}
}
}
}