Submission #126827

#	Time	Username	Problem	Language	Result	Execution time	Memory
126827		Mohammad_Yasser	Examination (JOI19_examination)	C++14	2 / 100	3033 ms	69580 KiB

examination

#ifndef Local
#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#pragma comment(linker, "/STACK:1024000000,1024000000")
#endif

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
using namespace std;
#define popCnt(x) (__builtin_popcountll(x))
typedef long long Long;
typedef pair<int, int> pi;

const int N = 7e5 + 5;

map<int, int> mp;

template<class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>;

void compress() {
  int curr = 0;
  for (auto& p : mp) {
    p.second = ++curr;
  }
  assert(curr < N);
}

template<int SZ> struct mstree {
  Tree<pi> val[SZ + 1]; // for offline queries use vector with binary search instead

  void upd(int x, int y, int t = 1) { // x-coordinate between 1 and SZ inclusive
    for (int X = x; X <= SZ; X += X & -X) {
      if (t == 1)
        val[X].insert( { y, x });
      else
        val[X].erase( { y, x });
    }
  }

  int query(int x, int y) {
    assert(x >= 0 && y >= 0);
    int t = 0;
    for (; x > 0; x -= x & -x)
      t += val[x].order_of_key( { y, N });
    return t;
  }

  int query(int lox, int hix, int loy, int hiy) { // query number of elements within a rectangle
    return query(hix, hiy) - query(lox - 1, hiy) - query(hix, loy - 1)
      + query(lox - 1, loy - 1);
  }
};

mstree<N> bit;

struct Score {
  int x, y;
  int sum;

  bool operator<(const Score& other) const {
    return sum < other.sum;
  }
};

struct Query {
  int x, y, z;
  int ind;
  int res;
  bool operator<(const Query& other) const {
    return z < other.z;
  }
};

int main() {
  ios_base::sync_with_stdio(0), cin.tie(0), cerr.tie(0);
#ifdef Local
  freopen("test.in", "r", stdin);
#else
#define endl '\n'
#endif

  int n, q;
  cin >> n >> q;

  vector<Score> scores(n);
  vector<Query> queries(q);

  for (auto& score : scores) {
    cin >> score.x >> score.y;
    score.sum = score.x + score.y;
  }

  while (q--) {
    int x , y , z;
    cin >> x >> y >> z;
    int res = 0;
    for (auto& score : scores) {
      if (score.x >= x && score.y >= y && score.sum >= z) {
        ++res;
      }
    }
    cout << res << endl;
  }

}

Compilation message (stderr)

examination.cpp:5:0: warning: ignoring #pragma comment  [-Wunknown-pragmas]
 #pragma comment(linker, "/STACK:1024000000,1024000000")

• Subtask 1: 2 / 2
• Subtask 2: 0 / 20
• Subtask 3: 0 / 21
• Subtask 4: 0 / 57