結果

問題 No.2338 Range AtCoder Query
ユーザー 👑 hos.lyrichos.lyric
提出日時 2023-06-02 23:19:59
言語 D
(dmd 2.106.1)
結果
AC  
実行時間 468 ms / 4,000 ms
コード長 3,005 bytes
コンパイル時間 1,929 ms
コンパイル使用メモリ 104,588 KB
実行使用メモリ 25,748 KB
最終ジャッジ日時 2023-09-04 20:32:15
合計ジャッジ時間 17,454 ms
ジャッジサーバーID
(参考情報)
judge14 / judge12
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
4,380 KB
testcase_02 AC 1 ms
4,380 KB
testcase_03 AC 1 ms
4,376 KB
testcase_04 AC 1 ms
4,384 KB
testcase_05 AC 1 ms
4,376 KB
testcase_06 AC 3 ms
4,376 KB
testcase_07 AC 4 ms
4,376 KB
testcase_08 AC 3 ms
4,380 KB
testcase_09 AC 4 ms
4,380 KB
testcase_10 AC 3 ms
4,380 KB
testcase_11 AC 337 ms
21,848 KB
testcase_12 AC 329 ms
22,300 KB
testcase_13 AC 348 ms
23,512 KB
testcase_14 AC 307 ms
22,828 KB
testcase_15 AC 385 ms
23,956 KB
testcase_16 AC 461 ms
24,408 KB
testcase_17 AC 467 ms
24,468 KB
testcase_18 AC 468 ms
24,480 KB
testcase_19 AC 465 ms
24,448 KB
testcase_20 AC 462 ms
24,476 KB
testcase_21 AC 462 ms
24,404 KB
testcase_22 AC 458 ms
24,480 KB
testcase_23 AC 459 ms
24,472 KB
testcase_24 AC 456 ms
24,464 KB
testcase_25 AC 461 ms
24,456 KB
testcase_26 AC 159 ms
21,252 KB
testcase_27 AC 160 ms
21,128 KB
testcase_28 AC 158 ms
21,260 KB
testcase_29 AC 445 ms
24,568 KB
testcase_30 AC 461 ms
24,464 KB
testcase_31 AC 444 ms
24,420 KB
testcase_32 AC 441 ms
24,404 KB
testcase_33 AC 426 ms
25,748 KB
testcase_34 AC 427 ms
25,720 KB
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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; }

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)); }


void bAdd(T)(T[] bit, int pos, T val)
in {
  assert(0 <= pos && pos < bit.length, "bAdd: 0 <= pos < |bit| must hold");
}
do {
  for (int x = pos; x < bit.length; x |= x + 1) {
    bit[x] += val;
  }
}

// sum of [0, pos)
T bSum(T)(T[] bit, int pos)
in {
  assert(0 <= pos && pos <= bit.length, "bSum: 0 <= pos <= |bit| must hold");
}
do {
  T ret = 0;
  for (int x = pos - 1; x >= 0; x = (x & (x + 1)) - 1) {
    ret += bit[x];
  }
  return ret;
}


void main() {
  try {
    for (; ; ) {
      const N = readInt;
      const M = readInt;
      const Q = readInt;
      auto P = new int[N];
      auto S = new string[N];
      foreach (i; 0 .. N) {
        P[i] = readInt - 1;
        S[i] = readToken;
      }
      auto L = new int[Q];
      auto R = new int[Q];
      foreach (q; 0 .. Q) {
        L[q] = readInt - 1;
        R[q] = readInt;
      }
      
      auto qss = new int[][N];
      auto ans0 = new int[Q];
      auto ans1 = new int[Q];
      foreach (q; 0 .. Q) {
        qss[L[q]] ~= q;
      }
      
      auto ac = new int[M];
      auto wa = new int[M];
      ac[] = -1;
      auto bit0 = new int[N];
      auto bit1 = new int[N];
      foreach_reverse (i; 0 .. N) {
        const p = P[i];
        final switch (S[i]) {
          case "AC": {
            if (~ac[p]) {
              bit0.bAdd(ac[p], -1);
              bit1.bAdd(ac[p], -wa[p]);
            }
            ac[p] = i;
            wa[p] = 0;
            bit0.bAdd(ac[p], +1);
          } break;
          case "WA": {
            if (~ac[p]) {
              wa[p] += 1;
              bit1.bAdd(ac[p], +1);
            }
          } break;
        }
        foreach (q; qss[i]) {
          ans0[q] = bit0.bSum(R[q]);
          ans1[q] = bit1.bSum(R[q]);
        }
      }
      
      foreach (q; 0 .. Q) {
        writeln(ans0[q], " ", ans1[q]);
      }
    }
  } catch (EOFException e) {
  }
}
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