結果

問題 No.1296 OR or NOR
ユーザー 👑 hos.lyrichos.lyric
提出日時 2020-11-20 22:13:08
言語 D
(dmd 2.106.1)
結果
WA  
実行時間 -
コード長 3,705 bytes
コンパイル時間 834 ms
コンパイル使用メモリ 107,224 KB
実行使用メモリ 69,104 KB
最終ジャッジ日時 2023-09-04 11:05:31
合計ジャッジ時間 25,045 ms
ジャッジサーバーID
(参考情報)
judge12 / judge13
このコードへのチャレンジ
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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
4,380 KB
testcase_01 AC 1 ms
4,376 KB
testcase_02 WA -
testcase_03 WA -
testcase_04 WA -
testcase_05 WA -
testcase_06 WA -
testcase_07 WA -
testcase_08 AC 365 ms
62,480 KB
testcase_09 WA -
testcase_10 WA -
testcase_11 WA -
testcase_12 WA -
testcase_13 WA -
testcase_14 WA -
testcase_15 AC 1,522 ms
63,068 KB
testcase_16 AC 1,501 ms
63,092 KB
testcase_17 AC 350 ms
62,440 KB
testcase_18 AC 349 ms
62,516 KB
testcase_19 AC 349 ms
62,524 KB
testcase_20 AC 170 ms
11,408 KB
testcase_21 AC 171 ms
11,684 KB
testcase_22 AC 158 ms
11,744 KB
testcase_23 AC 160 ms
11,744 KB
testcase_24 AC 169 ms
11,732 KB
testcase_25 AC 168 ms
11,424 KB
testcase_26 WA -
testcase_27 WA -
testcase_28 WA -
testcase_29 AC 171 ms
11,608 KB
testcase_30 WA -
testcase_31 WA -
testcase_32 WA -
testcase_33 WA -
testcase_34 WA -
権限があれば一括ダウンロードができます

ソースコード

diff #

import std.conv, std.functional, std.range, std.stdio, std.string;
import std.algorithm, std.array, std.bigint, std.bitmanip, std.complex, std.container, std.math, std.mathspecial, std.numeric, std.regex, std.typecons;
import core.bitop;

class EOFException : Throwable { this() { super("EOF"); } }
string[] tokens;
string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; }
int readInt() { return readToken.to!int; }
long readLong() { return readToken.to!long; }
real readReal() { return readToken.to!real; }

bool chmin(T)(ref T t, in T f) { if (t > f) { t = f; return true; } else { return false; } }
bool chmax(T)(ref T t, in T f) { if (t < f) { t = f; return true; } else { return false; } }

int binarySearch(alias pred, T)(in T[] as) { int lo = -1, hi = cast(int)(as.length); for (; lo + 1 < hi; ) { const mid = (lo + hi) >> 1; (unaryFun!pred(as[mid]) ? hi : lo) = mid; } return hi; }
int lowerBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a >= val)); }
int upperBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a > val)); }


enum E = 60;

void main() {
  try {
    for (; ; ) {
      const N = readInt();
      auto A = new long[N];
      foreach (i; 0 .. N) {
        A[i] = readLong();
      }
      const Q = readInt();
      auto B = new long[Q];
      foreach (q; 0 .. Q) {
        B[q] = readLong();
      }
      
      debug {
        foreach (i; 0 .. N) {
          // writefln("%60b %20s", A[i], A[i]);
        }
        auto brt = new int[Q];
        brt[] = N + 1;
        foreach (p; 0 .. 1 << N) {
          long x;
          foreach (i; 0 .. N) {
            x |= A[i];
            if (p & 1 << i) {
              x ^= (1L << E) - 1;
            }
          }
          // writefln("%0*b %s: %60b %20s", N, p, popcnt(p), x, x);
          foreach (q; 0 .. Q) {
            if (x == B[q]) {
              chmin(brt[q], popcnt(p));
            }
          }
        }
        foreach (q; 0 .. Q) {
          if (brt[q] > N) {
            brt[q] = -1;
          }
        }
        writeln("brt = ", brt);
      }
      
      auto prev = new int[E][N + 1];
      prev[0][] = -1;
      foreach (i; 0 .. N) {
        prev[i + 1][] = prev[i][];
        foreach (e; 0 .. E) {
          if ((A[i] >> e) & 1) {
            prev[i + 1][e] = i;
          }
        }
      }
      
      foreach (q; 0 .. Q) {
        int ans;
        long mask = (1L << E) - 1;
        long tar = B[q];
        for (int i = N; ; ) {
          int jm = -1;
          foreach (e; 0 .. E) {
            if ((mask >> e) & 1) {
              chmax(jm, prev[i][e]);
            }
          }
          if (jm == -1) {
            if (!(~tar & mask)) {
              if (i == 0) {
++ans;//                ans = -1;
              } else {
                ++ans;
              }
            } else if (!tar) {
              // OK
            } else {
              ans = -1;
            }
            break;
          } else {
            const force = A[jm] & mask;
            debug {
              // writefln("i = %s, mask = %s, tar = %s: jm = %s, force = %s", i, mask, tar, jm, force);
            }
            if (!(~tar & force)) {
              mask &= ~force;
              tar = tar & mask;
            } else if (!(tar & force)) {
              ++ans;
              mask &= ~force;
              tar = ~tar & mask;
            } else {
              ans = -1;
              break;
            }
            i = jm;
          }
        }
        writeln(ans);
        debug {
          assert(brt[q] == ans);
        }
      }
    }
  } catch (EOFException e) {
  }
}
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