結果
問題 | No.817 Coin donation |
ユーザー | ccppjsrb |
提出日時 | 2020-08-20 11:20:47 |
言語 | Go (1.22.1) |
結果 |
AC
|
実行時間 | 187 ms / 2,000 ms |
コード長 | 2,318 bytes |
コンパイル時間 | 12,023 ms |
コンパイル使用メモリ | 229,772 KB |
実行使用メモリ | 24,352 KB |
最終ジャッジ日時 | 2024-10-13 05:02:34 |
合計ジャッジ時間 | 13,514 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,820 KB |
testcase_02 | AC | 2 ms
6,816 KB |
testcase_03 | AC | 1 ms
6,820 KB |
testcase_04 | AC | 1 ms
6,820 KB |
testcase_05 | AC | 5 ms
6,820 KB |
testcase_06 | AC | 21 ms
6,820 KB |
testcase_07 | AC | 28 ms
7,744 KB |
testcase_08 | AC | 126 ms
17,108 KB |
testcase_09 | AC | 34 ms
7,364 KB |
testcase_10 | AC | 187 ms
24,344 KB |
testcase_11 | AC | 184 ms
24,344 KB |
testcase_12 | AC | 185 ms
24,352 KB |
testcase_13 | AC | 1 ms
6,816 KB |
testcase_14 | AC | 1 ms
6,816 KB |
testcase_15 | AC | 2 ms
6,816 KB |
ソースコード
package main import ( "bufio" "fmt" "os" "sort" "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) k := getNextInt(scanner) aa := make([]int, n) bb := make([]int, n) cc := make([]int, 0) for i := 0; i < n; i++ { a := getNextInt(scanner) b := getNextInt(scanner) + 1 aa[i] = a bb[i] = b cc = append(cc, a) cc = append(cc, b) } cm := newCompress(cc) l := len(cm) rr := make([]int, l) for key, val := range cm { rr[val] = key } imos := make([]int, l) for i := 0; i < n; i++ { imos[cm.get(aa[i])]++ imos[cm.get(bb[i])]-- } for i := 1; i < l; i++ { imos[i] += imos[i-1] } for i := 0; i < l-1; i++ { cnt := imos[i] * (rr[i+1] - rr[i]) if k <= cnt { fmt.Fprintln(writer, rr[i]-1+((k+imos[i]-1)/imos[i])) return } k -= cnt } } type compress map[int]int func newCompress(aa []int) compress { n := len(aa) bb := make([]int, n) copy(bb, aa) sort.SliceStable(bb, func(i, j int) bool { return bb[i] < bb[j] }) c := compress{} l := 0 i := 0 for r := 0; r < n; r++ { for r > l && bb[r] != bb[l] { l++ } if r == l { c[bb[l]] = i i++ } } return c } func (c compress) get(x int) int { return c[x] }