77 lines
1.1 KiB
Go
77 lines
1.1 KiB
Go
package main
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import (
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"bufio"
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"fmt"
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"log"
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"os"
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"strconv"
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"strings"
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)
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func main() {
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inp := StdinToStringSlice()
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part1(inp)
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part2(inp)
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}
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func part1(inp []string) {
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var twos, threes int
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for _, v := range inp {
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var vintwos, vinthrees bool
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for i := range v {
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if !vintwos && strings.Count(v, string(v[i])) == 2 {
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twos++
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vintwos = true
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}
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if !vinthrees && strings.Count(v, string(v[i])) == 3 {
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threes++
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vinthrees = true
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}
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}
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}
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fmt.Println(twos * threes)
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}
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func part2(inp []string) {
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for _, v1 := range inp {
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for _, v2 := range inp {
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if v1 == v2 {
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continue
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}
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var diff, diffIdx int
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for k := range v1 {
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if v1[k] != v2[k] {
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diff++
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diffIdx = k
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}
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if diff > 1 {
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continue
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}
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}
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if diff == 1 {
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fmt.Println(v1[:diffIdx] + v1[diffIdx+1:])
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return
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}
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}
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}
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}
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func StdinToStringSlice() []string {
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var input []string
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scanner := bufio.NewScanner(os.Stdin)
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for scanner.Scan() {
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input = append(input, scanner.Text())
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}
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return input
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}
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func Atoi(i string) int {
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var ret int
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var err error
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if ret, err = strconv.Atoi(i); err != nil {
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log.Fatal("Invalid Atoi")
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}
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return ret
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}
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