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utils.go
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/
utils.go
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package main
import (
"bufio"
"io"
"math"
"strconv"
)
func atoi(input string) int {
i, err := strconv.Atoi(input)
if err != nil {
panic(err)
}
return i
}
func sum(ints []int) (total int) {
for _, i := range ints {
total += i
}
return total
}
func minmax(ints []int) (min, max int) {
for i, num := range ints {
if i == 0 || num < min {
min = num
}
if i == 0 || num > max {
max = num
}
}
return
}
func scanLines(input io.Reader) []string {
var lines []string
s := bufio.NewScanner(input)
for s.Scan() {
lines = append(lines, s.Text())
}
return lines
}
func abs(i int) int {
if i < 0 {
return i * -1
}
return i
}
func gcd(a, b int) int {
for b != 0 {
t := b
b = a % b
a = t
}
return a
}
func pow(i, j int) int {
f := math.Pow(float64(i), float64(j))
return int(f)
}