結果
問題 | No.619 CardShuffle |
ユーザー | 37zigen |
提出日時 | 2017-12-13 02:29:16 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 6,178 bytes |
コンパイル時間 | 2,610 ms |
コンパイル使用メモリ | 81,208 KB |
実行使用メモリ | 73,940 KB |
最終ジャッジ日時 | 2024-12-22 21:18:56 |
合計ジャッジ時間 | 49,597 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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 | WA | - |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | TLE | - |
testcase_17 | WA | - |
testcase_18 | TLE | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | TLE | - |
testcase_27 | WA | - |
testcase_28 | TLE | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | TLE | - |
testcase_35 | WA | - |
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.NoSuchElementException; class Main { public static void main(String[] args) { // long t = System.currentTimeMillis(); new Main().run(); // System.out.println(System.currentTimeMillis() - t); } final long MOD = 1_000_000_000 + 7; int n; int sqrtN; ArrayDeque<Long>[] dq; int[] v; String[] op; void run() { Scanner sc = new Scanner(); n = sc.nextInt(); n = (n + 1) / 2; sqrtN = (int) Math.sqrt(n); v = new int[n]; op = new String[n - 1]; for (int i = 0; i < n; ++i) { v[i] = sc.nextInt(); if (i != n - 1) op[i] = sc.next(); } dq = new ArrayDeque[(int) (n + sqrtN - 1) / sqrtN]; for (int i = 0; i < dq.length; ++i) { dq[i] = new ArrayDeque<>(); update(i); } StringBuilder sb = new StringBuilder(); int Q = sc.nextInt(); while (Q-- > 0) { String T = sc.next(); int x = sc.nextInt(); int y = sc.nextInt(); if (T.equals("?")) { x = (x - 1) / 2; y = (y - 1) / 2; sb.append(query(x, y)); sb.append("\n"); } else { if (x % 2 == 0) { x = x / 2 - 1; y = y / 2 - 1; if (op[x].equals(op[y])) continue; { String tmp = op[x]; op[x] = op[y]; op[y] = tmp; } update(x / sqrtN); update(y / sqrtN); if (x != (x + 1) / sqrtN) update((x + 1) / sqrtN); if (y != (y + 1) / sqrtN) update((y + 1) / sqrtN); } else { x = (x - 1) / 2; y = (y - 1) / 2; if (x == y) continue; { int tmp = v[y]; v[y] = v[x]; v[x] = tmp; } update(x / sqrtN); update(y / sqrtN); } } } System.out.println(sb); } void update(int i) { dq[i].clear(); for (int j = 0; j <= sqrtN - 1 && i * sqrtN + j < n; ++j) { int idx = i * sqrtN + j; if (j > 0 && op[idx - 1].equals("*")) { dq[i].addLast(dq[i].pollLast() * v[idx] % MOD); } else { while (dq[i].size() >= 3) { dq[i].addLast(sum(dq[i].pollLast(), dq[i].pollLast())); } dq[i].add((long) v[idx]); } } } long brute_query(int a, int b) { for (int i = a; i <= b; ++i) { if (i != a && op[i - 1].equals("*")) { ans.addLast(ans.pollLast() * v[i] % MOD); } else { while (ans.size() >= 3) { ans.addLast(sum(ans.pollLast(), ans.pollLast())); } ans.addLast((long) v[i]); } } long ret = 0; for (long ansVal : ans) { ret = sum(ret, ansVal); } return ret; } ArrayDeque<Long> ans = new ArrayDeque(); long query(int a, int b) { ans.clear(); if (a / sqrtN == b / sqrtN) { for (int i = a; i <= b; ++i) { if (i != a && op[i - 1].equals("*")) { ans.addLast(ans.pollLast() * v[i] % MOD); } else { while (ans.size() >= 3) { ans.addLast(sum(ans.pollLast(), ans.pollLast())); } ans.addLast((long) v[i]); } } } else { int l = (a + sqrtN - 1) / sqrtN * sqrtN; int r = b / sqrtN * sqrtN; for (int i = a; i < l; ++i) { if (i != a && op[i - 1].equals("*")) { ans.addLast(ans.pollLast() * v[i] % MOD); } else { while (ans.size() >= 3) { ans.addLast(sum(ans.pollLast(), ans.pollLast()) % MOD); } ans.addLast((long) v[i]); } } for (int i = l / sqrtN; i < r / sqrtN; ++i) { if (i != a / sqrtN && op[i * sqrtN - 1].equals("*")) { ans.addLast(ans.pollLast() * dq[i].peekFirst() % MOD); } else { while (ans.size() >= 3) { ans.addLast(sum(ans.pollLast(), ans.pollLast())); } ans.add(dq[i].peekFirst()); } boolean first = true; for (long v : dq[i]) { if (first) { first = false; } else { while (ans.size() >= 3) { ans.addLast(sum(ans.pollLast(), ans.pollLast())); } ans.addLast(v); } } } for (int i = r; i <= b; ++i) { if (i != a && op[i - 1].equals("*")) { ans.addLast(ans.pollLast() * v[i] % MOD); } else { while (ans.size() >= 3) { ans.addLast(sum(ans.pollLast(), ans.pollLast())); } ans.addLast((long) v[i]); } } } long ret = 0; for (long ansVal : ans) { ret = sum(ret, ansVal); } return ret; } long sum(long a, long b) { long ret = a + b; if (ret >= MOD) ret -= MOD; return ret; } 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()); } } }