結果
問題 | No.230 Splarraay スプラレェーイ |
ユーザー | uafr_cs |
提出日時 | 2017-11-05 23:26:45 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 563 ms / 5,000 ms |
コード長 | 3,765 bytes |
コンパイル時間 | 2,197 ms |
コンパイル使用メモリ | 79,444 KB |
実行使用メモリ | 58,796 KB |
最終ジャッジ日時 | 2024-11-24 02:58:39 |
合計ジャッジ時間 | 9,056 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | 76 ms
38,428 KB |
testcase_01 | AC | 92 ms
40,008 KB |
testcase_02 | AC | 81 ms
38,420 KB |
testcase_03 | AC | 79 ms
38,372 KB |
testcase_04 | AC | 87 ms
38,540 KB |
testcase_05 | AC | 134 ms
40,908 KB |
testcase_06 | AC | 203 ms
42,500 KB |
testcase_07 | AC | 138 ms
41,244 KB |
testcase_08 | AC | 170 ms
42,560 KB |
testcase_09 | AC | 439 ms
50,864 KB |
testcase_10 | AC | 430 ms
46,308 KB |
testcase_11 | AC | 334 ms
48,356 KB |
testcase_12 | AC | 438 ms
50,908 KB |
testcase_13 | AC | 216 ms
44,488 KB |
testcase_14 | AC | 378 ms
58,796 KB |
testcase_15 | AC | 512 ms
57,888 KB |
testcase_16 | AC | 523 ms
57,964 KB |
testcase_17 | AC | 563 ms
57,836 KB |
testcase_18 | AC | 455 ms
58,092 KB |
testcase_19 | AC | 453 ms
57,608 KB |
ソースコード
package jp.monyone.verify.yukicoder.No230.LazySetSumSegmentTree; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.StringTokenizer; public class Main { // 以下のクエリに対応するデータ構造 // set : [l, r) の値を一定にするクエリ // sum : [l, r) の合計を取得するクエリ public static class LazySetSumSegmentTree { int n; long[] dat, lazy; boolean[] push; public LazySetSumSegmentTree(int n_) { int n = 1; while(n < n_){ n *= 2;} this.n = n; dat = new long[this.n * 2 - 1]; lazy = new long[this.n * 2 - 1]; push = new boolean[this.n * 2 - 1]; } // [a, b) の区間で set の遅延してる分を評価する private void evaluate_lazy(int k, int l, int r){ if(!push[k]){ return; } dat[k] = lazy[k] * (r - l); if(k < n - 1){ lazy[k * 2 + 1] = lazy[k * 2 + 2] = lazy[k]; push[k * 2 + 1] = push[k * 2 + 2] = true; } lazy[k] = 0; push[k] = false; } private void update_node(int k){ dat[k] = dat[k * 2 + 1] + dat[k * 2 + 2]; } public void set(long v, int a, int b){ set(v, a, b, 0, 0, this.n); } public void set(long v, int a, int b, int k, int l, int r){ evaluate_lazy(k, l, r); if(r <= a || b <= l){ return; }else if(a <= l && r <= b){ lazy[k] = v; push[k] = true; evaluate_lazy(k, l, r); }else{ set(v, a, b, k * 2 + 1, l, (l + r) / 2); set(v, a, b, k * 2 + 2, (l + r) / 2, r); update_node(k); } } public long sum(int a, int b){ return sum(a, b, 0, 0, this.n); } public long sum(int a, int b, int k, int l, int r){ evaluate_lazy(k, l, r); if(r <= a || b <= l){ return 0; }else if(a <= l && r <= b){ return dat[k]; }else{ final long v1 = sum(a, b, k * 2 + 1, l, (l + r) / 2); final long v2 = sum(a, b, k * 2 + 2, (l + r) / 2, r); update_node(k); return v1 + v2; } } } public static void main(String[] args) { Scanner sc = new Scanner(System.in); final int N = sc.nextInt(); final int Q = sc.nextInt(); long a_score = 0, b_score = 0; LazySetSumSegmentTree a_seg = new LazySetSumSegmentTree(N); LazySetSumSegmentTree b_seg = new LazySetSumSegmentTree(N); for(int i = 0; i < Q; i++){ final int x = sc.nextInt(); final int l = sc.nextInt(); final int r = sc.nextInt() + 1; if(x == 0){ final long a_team = a_seg.sum(l, r); final long b_team = b_seg.sum(l, r); if(a_team > b_team){ a_score += a_team; }else if(a_team < b_team){ b_score += b_team; } }else if(x == 1){ a_seg.set(1, l, r); b_seg.set(0, l, r); }else if(x == 2){ a_seg.set(0, l, r); b_seg.set(1, l, r); } } a_score += a_seg.sum(0, N); b_score += b_seg.sum(0, N); System.out.println(a_score + " " + b_score); } public static class Scanner implements AutoCloseable { private BufferedReader br; private StringTokenizer tok; public Scanner(InputStream is) { br = new BufferedReader(new InputStreamReader(is)); } private void getLine() { try { while (!hasNext()) {tok = new StringTokenizer(br.readLine());} } catch(IOException e){ /* ignore */ } } private boolean hasNext() { return tok != null && tok.hasMoreTokens(); } public String next() { getLine(); return tok.nextToken(); } public int nextInt(){ return Integer.parseInt(next()); } // 他のnextXXXもXXX.parseXXX()メソッドを使って作れるので省略 public void close() { try{ br.close(); } catch (IOException e){ /*ignore*/ } } } }