aoc2023/day-15/util.go

36 lines
543 B
Go
Raw Normal View History

2023-12-15 17:19:33 +00:00
package main
import (
"bufio"
"log"
"os"
"strconv"
)
// readlines reads lines from stdin.
// it returns them as an array of strings
func readlines() []string {
lines := []string{}
scanner := bufio.NewScanner(os.Stdin)
for scanner.Scan() {
lines = append(lines, scanner.Text())
}
if err := scanner.Err(); err != nil {
log.Fatal(err)
}
return lines
}
// mustConv converts string to int
// it will panic if an error occurs
func mustConv(s string) int {
n, err := strconv.Atoi(s)
if err != nil {
panic(err)
}
return n
}