Luzhiled's Library

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:heavy_check_mark: test/verify/aoj-0560.test.cpp

Depends on

Code

#define PROBLEM "http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0560"

#include "../../template/template.hpp"

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


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 << "\n";
  }

}
#line 1 "test/verify/aoj-0560.test.cpp"
#define PROBLEM "http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0560"

#line 1 "template/template.hpp"
#include<bits/stdc++.h>

using namespace std;

using int64 = long long;
const int mod = 1e9 + 7;

const int64 infll = (1LL << 62) - 1;
const int inf = (1 << 30) - 1;

struct IoSetup {
  IoSetup() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    cout << fixed << setprecision(10);
    cerr << fixed << setprecision(10);
  }
} iosetup;

template< typename T1, typename T2 >
ostream &operator<<(ostream &os, const pair< T1, T2 >& p) {
  os << p.first << " " << p.second;
  return os;
}

template< typename T1, typename T2 >
istream &operator>>(istream &is, pair< T1, T2 > &p) {
  is >> p.first >> p.second;
  return is;
}

template< typename T >
ostream &operator<<(ostream &os, const vector< T > &v) {
  for(int i = 0; i < (int) v.size(); i++) {
    os << v[i] << (i + 1 != v.size() ? " " : "");
  }
  return os;
}

template< typename T >
istream &operator>>(istream &is, vector< T > &v) {
  for(T &in : v) is >> in;
  return is;
}

template< typename T1, typename T2 >
inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }

template< typename T1, typename T2 >
inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); }

template< typename T = int64 >
vector< T > make_v(size_t a) {
  return vector< T >(a);
}

template< typename T, typename... Ts >
auto make_v(size_t a, Ts... ts) {
  return vector< decltype(make_v< T >(ts...)) >(a, make_v< T >(ts...));
}

template< typename T, typename V >
typename enable_if< is_class< T >::value == 0 >::type fill_v(T &t, const V &v) {
  t = v;
}

template< typename T, typename V >
typename enable_if< is_class< T >::value != 0 >::type fill_v(T &t, const V &v) {
  for(auto &e : t) fill_v(e, v);
}

template< typename F >
struct FixPoint : F {
  explicit FixPoint(F &&f) : F(forward< F >(f)) {}

  template< typename... Args >
  decltype(auto) operator()(Args &&... args) const {
    return F::operator()(*this, forward< Args >(args)...);
  }
};
 
template< typename F >
inline decltype(auto) MFP(F &&f) {
  return FixPoint< F >{forward< F >(f)};
}
#line 4 "test/verify/aoj-0560.test.cpp"

#line 1 "dp/cumulative-sum-2d.hpp"
template< class T >
struct CumulativeSum2D {
  vector< vector< T > > data;

  CumulativeSum2D(int W, int H) : data(W + 1, 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 6 "test/verify/aoj-0560.test.cpp"


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 << "\n";
  }

}
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