結果
問題 | No.1036 Make One With GCD 2 |
ユーザー | c-yan |
提出日時 | 2020-04-24 22:23:20 |
言語 | Go (1.21.3) |
結果 |
AC
|
実行時間 | 824 ms / 2,000 ms |
コード長 | 2,253 bytes |
コンパイル時間 | 20,736 ms |
コンパイル使用メモリ | 211,828 KB |
実行使用メモリ | 16,272 KB |
最終ジャッジ日時 | 2023-10-14 19:23:07 |
合計ジャッジ時間 | 33,469 ms |
ジャッジサーバーID (参考情報) |
judge12 / judge14 |
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 | 376 ms
16,268 KB |
testcase_01 | AC | 78 ms
16,168 KB |
testcase_02 | AC | 128 ms
16,116 KB |
testcase_03 | AC | 14 ms
9,700 KB |
testcase_04 | AC | 23 ms
15,932 KB |
testcase_05 | AC | 2 ms
4,332 KB |
testcase_06 | AC | 1 ms
4,328 KB |
testcase_07 | AC | 30 ms
9,704 KB |
testcase_08 | AC | 25 ms
9,704 KB |
testcase_09 | AC | 245 ms
16,264 KB |
testcase_10 | AC | 229 ms
16,264 KB |
testcase_11 | AC | 249 ms
16,272 KB |
testcase_12 | AC | 231 ms
16,260 KB |
testcase_13 | AC | 430 ms
16,268 KB |
testcase_14 | AC | 436 ms
16,264 KB |
testcase_15 | AC | 408 ms
16,264 KB |
testcase_16 | AC | 410 ms
16,264 KB |
testcase_17 | AC | 424 ms
16,264 KB |
testcase_18 | AC | 2 ms
4,332 KB |
testcase_19 | AC | 2 ms
4,328 KB |
testcase_20 | AC | 2 ms
4,328 KB |
testcase_21 | AC | 2 ms
4,332 KB |
testcase_22 | AC | 403 ms
16,260 KB |
testcase_23 | AC | 296 ms
16,100 KB |
testcase_24 | AC | 417 ms
16,264 KB |
testcase_25 | AC | 382 ms
16,256 KB |
testcase_26 | AC | 396 ms
16,268 KB |
testcase_27 | AC | 1 ms
4,332 KB |
testcase_28 | AC | 1 ms
4,332 KB |
testcase_29 | AC | 1 ms
4,328 KB |
testcase_30 | AC | 1 ms
4,332 KB |
testcase_31 | AC | 1 ms
4,332 KB |
testcase_32 | AC | 1 ms
4,328 KB |
testcase_33 | AC | 2 ms
4,336 KB |
testcase_34 | AC | 1 ms
4,328 KB |
testcase_35 | AC | 1 ms
4,328 KB |
testcase_36 | AC | 1 ms
4,328 KB |
testcase_37 | AC | 1 ms
4,332 KB |
testcase_38 | AC | 91 ms
16,164 KB |
testcase_39 | AC | 824 ms
16,268 KB |
testcase_40 | AC | 296 ms
16,096 KB |
testcase_41 | AC | 515 ms
16,272 KB |
testcase_42 | AC | 512 ms
16,268 KB |
testcase_43 | AC | 443 ms
16,272 KB |
testcase_44 | AC | 499 ms
16,268 KB |
ソースコード
package main import ( "bufio" "fmt" "os" "strconv" ) func gcd(a, b int) int { if a < b { a, b = b, a } for b > 0 { a, b = b, a%b } return a } type segmentTree struct { data []int offset int } func newSegmentTree(n int) segmentTree { var result segmentTree t := 1 for t < n { t *= 2 } result.offset = t - 1 result.data = make([]int, 2*t-1) return result } func (st segmentTree) updateAll(a []int) { for i, v := range a { st.data[st.offset+i] = v } for i := st.offset - 1; i > -1; i-- { st.data[i] = gcd(st.data[i*2+1], st.data[i*2+2]) } } func (st segmentTree) update(index, value int) { i := st.offset + index st.data[i] = value for i >= 1 { i = (i - 1) / 2 st.data[i] = gcd(st.data[i*2+1], st.data[i*2+2]) } } func (st segmentTree) query(start, stop int) int { result := 0 l := start + st.offset r := stop + st.offset for l < r { if l&1 == 0 { result = gcd(result, st.data[l]) } if r&1 == 0 { result = gcd(result, st.data[r-1]) } l = l / 2 r = (r - 1) / 2 } return result } func main() { defer flush() N := readInt() A := make([]int, N) for i := 0; i < N; i++ { A[i] = readInt() } st := newSegmentTree(N) st.updateAll(A) result := 0 j := 1 for i := 0; i < N; i++ { v := st.query(i, j) for v != 1 && j < N { v = gcd(v, A[j]) j++ } if v != 1 { break } result += N - j + 1 } println(result) } const ( ioBufferSize = 1 * 1024 * 1024 // 1 MB ) var stdinScanner = func() *bufio.Scanner { result := bufio.NewScanner(os.Stdin) result.Buffer(make([]byte, ioBufferSize), ioBufferSize) result.Split(bufio.ScanWords) return result }() func readString() string { stdinScanner.Scan() return stdinScanner.Text() } func readInt() int { result, err := strconv.Atoi(readString()) if err != nil { panic(err) } return result } func readInts(n int) []int { result := make([]int, n) for i := 0; i < n; i++ { result[i] = readInt() } return result } var stdoutWriter = bufio.NewWriter(os.Stdout) func flush() { stdoutWriter.Flush() } func printf(f string, args ...interface{}) (int, error) { return fmt.Fprintf(stdoutWriter, f, args...) } func println(args ...interface{}) (int, error) { return fmt.Fprintln(stdoutWriter, args...) }