package main import ( "bufio" "fmt" "math/bits" "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.Stdin wfp := os.Stdout extra := 0 if 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) g := newGraph(n) for i := 0; i < m; i++ { u := getNextInt(scanner) - 1 v := getNextInt(scanner) - 1 g.appendEdge(u, v, i) g.appendEdge(v, u, i) } q := getNextInt(scanner) for i := 0; i < q; i++ { a := getNextInt(scanner) - 1 dd := make([]int, n) vv := make([]bool, n) pp := make([]pair, 0) pp = append(pp, pair{a, 0}) vv[a] = true for len(pp) > 0 { p := pp[0] pp = pp[1:] dd[p[0]] = p[1] for _, e := range g.e[p[0]] { if vv[e.to] { continue } vv[e.to] = true pp = append(pp, pair{e.to, p[1] + 1}) } } mx := 0 cnt := 0 for j := 0; j < n; j++ { if dd[j] == 0 { continue } cnt++ if mx < dd[j] { mx = dd[j] } } if mx > 0 { mx-- } days := 32 - bits.LeadingZeros32(uint32(mx)) fmt.Fprintln(writer, fmt.Sprintf("%d %d", cnt, days)) } } type pair [2]int type vertex struct { } type edge struct { to, id int } type graph struct { v []vertex e [][]edge } func newGraph(n int) graph { return graph{ v: make([]vertex, n), e: make([][]edge, n), } } func (g *graph) appendEdge(from, to, id int) { g.e[from] = append(g.e[from], edge{ to: to, id: id, }) }