Submission #797504

#	Time	Username	Problem	Language	Result	Execution time	Memory
797504		erray	Game (IOI13_game)	C++17	100 / 100	2632 ms	114288 KiB

game

#include "game.h"

#include<bits/stdc++.h>

using namespace std;

template<typename A, typename B> 
string to_string(pair<A, B>);

string to_string(string s) {
  return '"' + s + '"';
}
string to_string(char c) {
  return "'"s + c + "'";
}
string to_string(const char* c) {
  return to_string(string(c));
}
string to_string(bool b) {
  return (b ? "true" : "false");
}
template<size_t T> 
string to_string(bitset<T> bs) {
  return bs.to_string();
}
string to_string(vector<bool> v) {
  string res = "{";
  for (int i = 0; i < int(v.size()); ++i) {
    if (int(res.size()) > 1) {
      res += ", ";
    }
    res += to_string(v[i]);
  }
  res += "}";
  return res;
}
template<typename T>
string to_string(T v) {
  string res = "{";
  for (auto x : v) {
    if (int(res.size()) > 1) {
      res += ", ";
    }
    res += to_string(x);
  }
  res += "}";
  return res;  
}
template<typename A, typename B> 
string to_string(pair<A, B> p) {
  return '(' + to_string(p.first) + ", " + to_string(p.second) + ')';
}
void debug_out() {
  cerr << endl;
}
template<typename H, typename... T> 
void debug_out(H head, T... tail) {
  cerr << "  " << to_string(head);
  debug_out(tail...);
}

#ifdef DEBUG 
  #define debug(...) cerr << "[" << #__VA_ARGS__ << "]", debug_out(__VA_ARGS__)
#else 
  #define debug(...) void(37)
#endif

const int MAX = int(1e9); //temp
//#define debug(...) void(37)
struct GcdSegTree {
  struct node {
    long long g = 0;
    node* l = NULL;
    node* r = NULL;
    int jump = -1;
  };
  void pull(node* v) {
    v->g = 0;
    if (v->l != NULL) {
      v->g = gcd(v->g, v->l->g);
    }
    if (v->r != NULL) {
      v->g = gcd(v->g, v->r->g);
    }
  }
  bool J(node* v) const {
    return (v->l == NULL && v->r == NULL && v->jump != -1);
  }  
  node* root;
  GcdSegTree() {
    root = new node();
  }
  node* modify(node* v, int l, int r, int p, long long g) {
    debug(l, r, p, g);
    if (v == NULL || (J(v) && p == v->jump)) {
      v = new node();
      v->g = g;
      v->jump = p;
      debug("created");
      return v;
    } 
    if (l == r) {
      v->g = g;
      return v;
    }
    bool branch = J(v);       
    int mid = (l + r) >> 1;
    if (p <= mid) {
      v->l = modify(v->l, l, mid, p, g);
    } else {
      v->r = modify(v->r, mid + 1, r, p, g);
    }
    //assert(!J(v));
    if (branch) {
      debug("branch");
      modify(v, l, r, v->jump, v->g);
    } else {
      pull(v);
    }
    debug(l, r, v->g);
    return v;
  }
  long long get(node* v, int l, int r, int ll, int rr) const {
    if (J(v)) {
      l = r = v->jump;
    }
    debug(l, r, ll, rr, v->g);
    if (l >= ll && rr >= r) {
      return v->g;
    }
    int mid = (l + r) >> 1;
    long long res = 0;
    if (mid >= ll && v->l != NULL) {
      res = gcd(res, get(v->l, l, mid, ll, rr));
    }
    if (mid < rr && v->r != NULL) {
      res = gcd(res, get(v->r, mid + 1, r, ll, rr));
    }
    return res;
  }
  long long get(int l, int r) const {
    return get(root, 0, MAX - 1, l, r);
  }
  void modify(int p, long long x) {
    //debug(p, x);
    modify(root, 0, MAX - 1, p, x);
  }
};
#ifdef DEBUG 
  #define debug(...) cerr << "[" << #__VA_ARGS__ << "]", debug_out(__VA_ARGS__)
#else 
  #define debug(...) void(37)
#endif

struct TwoDSegTree {
  struct node {
    GcdSegTree st;
    node* l = NULL;
    node* r = NULL;
  };
  //add jump to this too if it gets tle or some shit 
  node* root;
  map<int, GcdSegTree> cols;  
  TwoDSegTree() {
    root = new node();
  }
  long long get(node* v, int l, int r, int rl, int rr, int cl, int cr) {
    debug(l, r, rl, rr, cl, cr);
    if (l >= rl && rr >= r) {
      return v->st.get(cl, cr);
    }
    int mid = (l + r) >> 1;
    long long res = 0;
    if (mid >= rl && v->l != NULL) {
      res = gcd(res, get(v->l, l, mid, rl, rr, cl, cr));
    }
    if (mid < rr && v->r != NULL) {
      res = gcd(res, get(v->r, mid + 1, r, rl, rr, cl, cr));
    }
    return res;
  }  
  node* modify(node* v, int l, int r, int row, int col, const GcdSegTree& carry) {
    if (v == NULL) {
      v = new node();
    }
    long long upd = carry.get(l, r);
    debug("2D", l, r, upd);    
    v->st.modify(col, upd);
    if (l < r) {
      int mid = (l + r) >> 1;
      if (row <= mid) {
        v->l = modify(v->l, l, mid, row, col, carry);
      } else {
        v->r = modify(v->r, mid + 1, r, row, col, carry);
      }
    }
    return v;
  }
  long long get(int rl, int rr, int cl, int cr) {
    return get(root, 0, MAX - 1, rl, rr, cl, cr);
  } 
  void modify(int row, int col, long long x) {
    cols[col].modify(row, x);
    modify(root, 0, MAX - 1, row, col, cols[col]);
  }
};

TwoDSegTree st;
void init(int R, int C) {
  
}

void update(int P, int Q, long long K) {
  debug("asdasdasdasdasdasdasdasdasdasdasdasdasdasdasdasdasdasdasdasdasd", P, Q, K);
  st.modify(P, Q, K);
}

long long calculate(int P, int Q, int U, int V) {
    return st.get(P, U, Q, V);
}

• Subtask 1: 10 / 10
• Subtask 2: 27 / 27
• Subtask 3: 26 / 26
• Subtask 4: 17 / 17
• Subtask 5: 20 / 20