結果
問題 | No.556 仁義なきサルたち |
ユーザー |
![]() |
提出日時 | 2020-08-26 12:23:29 |
言語 | Go (1.23.4) |
結果 |
AC
|
実行時間 | 4 ms / 2,000 ms |
コード長 | 1,970 bytes |
コンパイル時間 | 13,836 ms |
コンパイル使用メモリ | 236,256 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-11-07 03:59:23 |
合計ジャッジ時間 | 14,584 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
other | AC * 22 |
ソースコード
package mainimport ("bufio""fmt""os""strconv")func configure(scanner *bufio.Scanner) {scanner.Split(bufio.ScanWords)scanner.Buffer(make([]byte, 1000005), 1000005)}func getNextString(scanner *bufio.Scanner) string {scanned := scanner.Scan()if !scanned {panic("scan failed")}return scanner.Text()}func getNextInt(scanner *bufio.Scanner) int {i, _ := strconv.Atoi(getNextString(scanner))return i}func getNextInt64(scanner *bufio.Scanner) int64 {i, _ := strconv.ParseInt(getNextString(scanner), 10, 64)return i}func getNextFloat64(scanner *bufio.Scanner) float64 {i, _ := strconv.ParseFloat(getNextString(scanner), 64)return i}func main() {fp := os.Stdinwfp := os.Stdoutextra := 0if os.Getenv("I") == "IronMan" {fp, _ = os.Open(os.Getenv("END_GAME"))extra = 100}scanner := bufio.NewScanner(fp)configure(scanner)writer := bufio.NewWriter(wfp)defer func() {r := recover()if r != nil {fmt.Fprintln(writer, r)}writer.Flush()}()solve(scanner, writer)for i := 0; i < extra; i++ {fmt.Fprintln(writer, "-----------------------------------")solve(scanner, writer)}}func solve(scanner *bufio.Scanner, writer *bufio.Writer) {n := getNextInt(scanner)m := getNextInt(scanner)uf := make([]int, n)cnt := make([]int, n)for i := 0; i < n; i++ {uf[i] = icnt[i] = 1}for i := 0; i < m; i++ {a := getNextInt(scanner) - 1b := getNextInt(scanner) - 1ra := root(a, uf)rb := root(b, uf)if ra == rb {continue}if cnt[ra] == cnt[rb] {if ra < rb {uf[rb] = racnt[ra] += cnt[rb]continue}uf[ra] = rbcnt[rb] += cnt[ra]continue}if cnt[ra] > cnt[rb] {uf[rb] = racnt[ra] += cnt[rb]continue}uf[ra] = rbcnt[rb] += cnt[ra]}for i := 0; i < n; i++ {fmt.Fprintln(writer, root(i, uf)+1)}}func root(i int, uf []int) int {if i == uf[i] {return i}uf[i] = root(uf[i], uf)return uf[i]}