test/verify/aoj-0560.test.cpp

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• Last update: 2026-08-10 15:36:17+00:00
• Problem: http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0560

Depends on

• Cumulative Sum 2D (二次元累積和) (dp/cumulative-sum-2d.hpp)

Code

// clang-format off
// competitive-verifier: PROBLEM http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0560
// clang-format on

#include <iostream>
#include <string>
#include <vector>

#include "../../dp/cumulative-sum-2d.hpp"

using namespace std;

int main() {
  int N, M, Q;
  cin >> N >> M >> Q;
  vector<CumulativeSum2D<int> > sum(3, CumulativeSum2D<int>(N, M));
  const string P = "JOI";
  for (int i = 0; i < N; i++) {
    string s;
    cin >> s;
    for (int j = 0; j < M; j++) {
      for (int k = 0; k < 3; k++) {
        sum[k].add(i, j, s[j] == P[k]);
      }
    }
  }
  for (int k = 0; k < 3; k++) {
    sum[k].build();
  }
  while (Q--) {
    int a, b, c, d;
    cin >> a >> b >> c >> d;
    --a, --b;
    vector<int> v(3);
    for (int k = 0; k < 3; k++) {
      v[k] = sum[k].query(a, b, c, d);
    }
    cout << v[0] << ' ' << v[1] << ' ' << v[2] << "\n";
  }
}

#line 1 "test/verify/aoj-0560.test.cpp"
// clang-format off
// competitive-verifier: PROBLEM http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0560
// clang-format on

#include <iostream>
#include <string>
#include <vector>

#line 2 "dp/cumulative-sum-2d.hpp"

#line 4 "dp/cumulative-sum-2d.hpp"

template <class T>
struct CumulativeSum2D {
  std::vector<std::vector<T> > data;

  CumulativeSum2D(int W, int H) : data(W + 1, std::vector<T>(H + 1, 0)) {}

  void add(int x, int y, T z) {
    ++x, ++y;
    if (x >= data.size() || y >= data[0].size()) return;
    data[x][y] += z;
  }

  void build() {
    for (int i = 1; i < data.size(); i++) {
      for (int j = 1; j < data[i].size(); j++) {
        data[i][j] += data[i][j - 1] + data[i - 1][j] - data[i - 1][j - 1];
      }
    }
  }

  T query(int sx, int sy, int gx, int gy) const {
    return (data[gx][gy] - data[sx][gy] - data[gx][sy] + data[sx][sy]);
  }
};
#line 10 "test/verify/aoj-0560.test.cpp"

using namespace std;

int main() {
  int N, M, Q;
  cin >> N >> M >> Q;
  vector<CumulativeSum2D<int> > sum(3, CumulativeSum2D<int>(N, M));
  const string P = "JOI";
  for (int i = 0; i < N; i++) {
    string s;
    cin >> s;
    for (int j = 0; j < M; j++) {
      for (int k = 0; k < 3; k++) {
        sum[k].add(i, j, s[j] == P[k]);
      }
    }
  }
  for (int k = 0; k < 3; k++) {
    sum[k].build();
  }
  while (Q--) {
    int a, b, c, d;
    cin >> a >> b >> c >> d;
    --a, --b;
    vector<int> v(3);
    for (int k = 0; k < 3; k++) {
      v[k] = sum[k].query(a, b, c, d);
    }
    cout << v[0] << ' ' << v[1] << ' ' << v[2] << "\n";
  }
}

Test cases

Env	Name	Status	Elapsed	Memory
g++	testcase_00	AC	2 ms	4 MB
g++	testcase_01	AC	2 ms	4 MB
g++	testcase_02	AC	3 ms	4 MB
g++	testcase_03	AC	65 ms	4 MB
g++	testcase_04	AC	99 ms	4 MB
g++	testcase_05	AC	119 ms	18 MB
g++	testcase_06	AC	125 ms	19 MB
g++	testcase_07	AC	132 ms	19 MB
g++	testcase_08	AC	134 ms	19 MB
g++	testcase_09	AC	130 ms	19 MB
clang++	testcase_00	AC	2 ms	4 MB
clang++	testcase_01	AC	2 ms	4 MB
clang++	testcase_02	AC	2 ms	4 MB
clang++	testcase_03	AC	73 ms	4 MB
clang++	testcase_04	AC	78 ms	4 MB
clang++	testcase_05	AC	106 ms	18 MB
clang++	testcase_06	AC	116 ms	19 MB
clang++	testcase_07	AC	132 ms	19 MB
clang++	testcase_08	AC	127 ms	19 MB
clang++	testcase_09	AC	126 ms	19 MB

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