結果
問題 | No.619 CardShuffle |
ユーザー | 37zigen |
提出日時 | 2017-12-12 02:34:59 |
言語 | Java21 (openjdk 21) |
結果 |
RE
|
実行時間 | - |
コード長 | 5,130 bytes |
コンパイル時間 | 2,398 ms |
コンパイル使用メモリ | 85,192 KB |
実行使用メモリ | 114,656 KB |
最終ジャッジ日時 | 2024-06-02 04:03:46 |
合計ジャッジ時間 | 20,200 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
(要ログイン)
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 | 45 ms
50,008 KB |
testcase_01 | RE | - |
testcase_02 | AC | 54 ms
50,072 KB |
testcase_03 | RE | - |
testcase_04 | AC | 51 ms
49,960 KB |
testcase_05 | RE | - |
testcase_06 | RE | - |
testcase_07 | AC | 59 ms
50,128 KB |
testcase_08 | RE | - |
testcase_09 | AC | 53 ms
49,968 KB |
testcase_10 | RE | - |
testcase_11 | RE | - |
testcase_12 | AC | 54 ms
49,612 KB |
testcase_13 | RE | - |
testcase_14 | AC | 55 ms
50,140 KB |
testcase_15 | RE | - |
testcase_16 | RE | - |
testcase_17 | AC | 1,914 ms
114,656 KB |
testcase_18 | RE | - |
testcase_19 | AC | 1,797 ms
113,632 KB |
testcase_20 | RE | - |
testcase_21 | RE | - |
testcase_22 | AC | 2,061 ms
113,692 KB |
testcase_23 | RE | - |
testcase_24 | AC | 2,168 ms
113,648 KB |
testcase_25 | RE | - |
testcase_26 | RE | - |
testcase_27 | AC | 1,602 ms
110,136 KB |
testcase_28 | RE | - |
testcase_29 | AC | 1,497 ms
110,208 KB |
testcase_30 | RE | - |
testcase_31 | AC | 50 ms
50,200 KB |
testcase_32 | RE | - |
testcase_33 | RE | - |
testcase_34 | RE | - |
testcase_35 | RE | - |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.util.ArrayDeque; import java.util.Arrays; import java.util.Deque; import java.util.NoSuchElementException; class Main { public static void main(String[] args) { new Main().run(); } final long MOD = 1_000_000_000 + 7; void run() { Scanner sc = new Scanner(); int n = sc.nextInt(); n = (n + 1) / 2; SegTree seg = new SegTree(n); for (int i = 0; i < n; ++i) { long v = sc.nextLong(); int j = i + seg.n - 1; String leftop = "!", rightop = "!"; if (i != n - 1) rightop = sc.next(); if (i != 0) leftop = seg.val[j - 1].right_op; seg.val[j] = new V(); seg.val[j].dq.add(v); seg.val[j].left_op = leftop; seg.val[j].right_op = rightop; } for (int i = seg.n - 2; i >= 0; --i) { seg.val[i] = merge(seg.val[2 * i + 1], seg.val[2 * i + 2]); } int Q = sc.nextInt(); while (Q-- > 0) { String T = sc.next(); int x = sc.nextInt(); int y = sc.nextInt(); if (T.equals("?")) { System.out.println(seg.query((x - 1) / 2, (y - 1) / 2 + 1)); } else { if (x % 2 == 1) { x = (x - 1) / 2; y = (y - 1) / 2; seg.swapVal(x, y); } else { x = x / 2 - 1; y = y / 2 - 1; seg.swapOp(x, y); } } } } class SegTree { int n; V[] val; public SegTree(int n_) { n = 1; while (n < n_) { n *= 2; } val = new V[2 * n - 1]; for (int i = 0; i < val.length; ++i) { val[i] = new V(); } } void swapOp(int i, int j) { i += n - 1; j += n - 1; String opI = val[i].right_op; String opJ = val[j].right_op; val[i].right_op = opJ; update(i); val[i + 1].left_op = opJ; update(j); val[j].right_op = opI; update(j); val[j + 1].left_op = opI; update(j + 1); } void swapVal(int i, int j) { long x = val[i + n - 1].dq.poll(); long y = val[j + n - 1].dq.poll(); setVal(i, y); setVal(j, x); } void setVal(int k, long v) { k += n - 1; val[k].dq.clear(); val[k].dq.add(v); update(k); } void update(int k) { while (k > 0) { k = (k - 1) / 2; val[k] = merge(val[2 * k + 1], val[2 * k + 2]); } } long query(int a, int b) { long ret = 0; V pnd = query(a, b, 0, n, 0); for (long v : pnd.dq) { ret = (ret + v) % MOD; } return ret; } V query(int a, int b, int l, int r, int k) { if (b <= l || r <= a) { return new V(); } else if (a <= l && r <= b) { return val[k]; } else { V vl = query(a, b, l, (l + r) / 2, 2 * k + 1); V vr = query(a, b, (l + r) / 2, r, 2 * k + 2); return merge(vl, vr); } } } V merge(V u, V v) { V ret = new V(); for (long n : u.dq) { ret.dq.addLast(n); } boolean f = false; if (u.right_op.equals("*")) { ret.dq.pollLast(); ret.dq.addLast(u.dq.peekLast() * v.dq.peekFirst() % MOD); f = true; } for (long n : v.dq) { if (!f) ret.dq.addLast(n); else f = false; } while (ret.dq.size() > 3) { long tmp = (ret.dq.pollFirst() + ret.dq.pollFirst()) % MOD; ret.dq.addFirst(tmp); } ret.left_op = u.left_op; ret.right_op = v.right_op; return ret; } class V { Deque<Long> dq = new ArrayDeque<>(); String left_op = "!"; String right_op = "!"; } static void tr(Object... objects) { System.out.println(Arrays.deepToString(objects)); } class Scanner { private final InputStream in = System.in; private final byte[] buffer = new byte[1024]; private int ptr = 0; private int buflen = 0; private boolean hasNextByte() { if (ptr < buflen) { return true; } else { ptr = 0; try { buflen = in.read(buffer); } catch (IOException e) { e.printStackTrace(); } if (buflen <= 0) { return false; } } return true; } private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1; } private boolean isPrintableChar(int c) { return 33 <= c && c <= 126; } public boolean hasNext() { while (hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte(); } public String next() { if (!hasNext()) throw new NoSuchElementException(); StringBuilder sb = new StringBuilder(); int b = readByte(); while (isPrintableChar(b)) { sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } public long nextLong() { if (!hasNext()) throw new NoSuchElementException(); long n = 0; boolean minus = false; int b = readByte(); if (b == '-') { minus = true; b = readByte(); } if (b < '0' || '9' < b) { throw new NumberFormatException(); } while (true) { if ('0' <= b && b <= '9') { n *= 10; n += b - '0'; } else if (b == -1 || !isPrintableChar(b)) { return minus ? -n : n; } else { throw new NumberFormatException(); } b = readByte(); } } public int nextInt() { long nl = nextLong(); if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException(); return (int) nl; } public double nextDouble() { return Double.parseDouble(next()); } } }