oj.uz

Submission #126831

# Submission time Handle Problem Language Result Execution time Memory
126831 2019-07-08T13:48:47 Z Mohammad_Yasser Examination (JOI19_examination) C++14
43 / 100
 3000 ms 200884 KB 
#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_equal<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;
    mp[score.x];
    mp[score.y];
    mp[score.sum];
  }

  for (int i = 0; i < q; ++i) {
    auto& query = queries[i];
    cin >> query.x >> query.y >> query.z;
    mp[query.x];
    mp[query.y];
    mp[query.z];

    query.ind = i;
  }

  compress();

  for (auto& score : scores) {
    score.x = mp[score.x];
    score.y = mp[score.y];
    score.sum = mp[score.sum];
  }

  for (auto& query : queries) {
    query.x = mp[query.x];
    query.y = mp[query.y];
    query.z = mp[query.z];
  }

  sort(scores.begin(), scores.end());
  sort(queries.rbegin(), queries.rend());

  for (auto& query : queries) {
    while (!scores.empty() && scores.back().sum >= query.z) {
      bit.upd(scores.back().x, scores.back().y);
      scores.pop_back();
    }
    query.res = bit.query(query.x, N, query.y, N);
  }

  sort(queries.begin(), queries.end(), [](const Query& a , const Query& b) {
    return a.ind < b.ind;
  });

  for (auto& query : queries) {
    cout << query.res << endl;
  }

}

Compilation message

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

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 66168 KB Output is correct
2 Correct 86 ms 66236 KB Output is correct
3 Correct 86 ms 66168 KB Output is correct
4 Correct 85 ms 66140 KB Output is correct
5 Correct 86 ms 66168 KB Output is correct
6 Correct 88 ms 66168 KB Output is correct
7 Correct 120 ms 69496 KB Output is correct
8 Correct 117 ms 69500 KB Output is correct
9 Correct 118 ms 69624 KB Output is correct
10 Correct 113 ms 69240 KB Output is correct
11 Correct 117 ms 70264 KB Output is correct
12 Correct 109 ms 69840 KB Output is correct
13 Correct 118 ms 69368 KB Output is correct
14 Correct 116 ms 69368 KB Output is correct
15 Correct 119 ms 69556 KB Output is correct
16 Correct 130 ms 70268 KB Output is correct
17 Correct 113 ms 69112 KB Output is correct
18 Correct 125 ms 70008 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2620 ms 150364 KB Output is correct
2 Correct 2546 ms 150520 KB Output is correct
3 Correct 2537 ms 150468 KB Output is correct
4 Correct 1879 ms 149112 KB Output is correct
5 Correct 1655 ms 191648 KB Output is correct
6 Correct 1582 ms 186404 KB Output is correct
7 Correct 2093 ms 152416 KB Output is correct
8 Correct 2411 ms 152640 KB Output is correct
9 Correct 1818 ms 152704 KB Output is correct
10 Correct 1522 ms 200824 KB Output is correct
11 Correct 1361 ms 150644 KB Output is correct
12 Correct 2485 ms 195904 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2620 ms 150364 KB Output is correct
2 Correct 2546 ms 150520 KB Output is correct
3 Correct 2537 ms 150468 KB Output is correct
4 Correct 1879 ms 149112 KB Output is correct
5 Correct 1655 ms 191648 KB Output is correct
6 Correct 1582 ms 186404 KB Output is correct
7 Correct 2093 ms 152416 KB Output is correct
8 Correct 2411 ms 152640 KB Output is correct
9 Correct 1818 ms 152704 KB Output is correct
10 Correct 1522 ms 200824 KB Output is correct
11 Correct 1361 ms 150644 KB Output is correct
12 Correct 2485 ms 195904 KB Output is correct
13 Correct 2332 ms 153436 KB Output is correct
14 Correct 2703 ms 152472 KB Output is correct
15 Correct 2594 ms 152308 KB Output is correct
16 Correct 1631 ms 150644 KB Output is correct
17 Correct 1718 ms 192020 KB Output is correct
18 Correct 1568 ms 186624 KB Output is correct
19 Correct 2641 ms 153752 KB Output is correct
20 Correct 2637 ms 152968 KB Output is correct
21 Correct 2162 ms 153416 KB Output is correct
22 Correct 1525 ms 200884 KB Output is correct
23 Correct 1391 ms 150804 KB Output is correct
24 Correct 2496 ms 195960 KB Output is correct

Subtask #4
0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 66168 KB Output is correct
2 Correct 86 ms 66236 KB Output is correct
3 Correct 86 ms 66168 KB Output is correct
4 Correct 85 ms 66140 KB Output is correct
5 Correct 86 ms 66168 KB Output is correct
6 Correct 88 ms 66168 KB Output is correct
7 Correct 120 ms 69496 KB Output is correct
8 Correct 117 ms 69500 KB Output is correct
9 Correct 118 ms 69624 KB Output is correct
10 Correct 113 ms 69240 KB Output is correct
11 Correct 117 ms 70264 KB Output is correct
12 Correct 109 ms 69840 KB Output is correct
13 Correct 118 ms 69368 KB Output is correct
14 Correct 116 ms 69368 KB Output is correct
15 Correct 119 ms 69556 KB Output is correct
16 Correct 130 ms 70268 KB Output is correct
17 Correct 113 ms 69112 KB Output is correct
18 Correct 125 ms 70008 KB Output is correct
19 Correct 2620 ms 150364 KB Output is correct
20 Correct 2546 ms 150520 KB Output is correct
21 Correct 2537 ms 150468 KB Output is correct
22 Correct 1879 ms 149112 KB Output is correct
23 Correct 1655 ms 191648 KB Output is correct
24 Correct 1582 ms 186404 KB Output is correct
25 Correct 2093 ms 152416 KB Output is correct
26 Correct 2411 ms 152640 KB Output is correct
27 Correct 1818 ms 152704 KB Output is correct
28 Correct 1522 ms 200824 KB Output is correct
29 Correct 1361 ms 150644 KB Output is correct
30 Correct 2485 ms 195904 KB Output is correct
31 Correct 2332 ms 153436 KB Output is correct
32 Correct 2703 ms 152472 KB Output is correct
33 Correct 2594 ms 152308 KB Output is correct
34 Correct 1631 ms 150644 KB Output is correct
35 Correct 1718 ms 192020 KB Output is correct
36 Correct 1568 ms 186624 KB Output is correct
37 Correct 2641 ms 153752 KB Output is correct
38 Correct 2637 ms 152968 KB Output is correct
39 Correct 2162 ms 153416 KB Output is correct
40 Correct 1525 ms 200884 KB Output is correct
41 Correct 1391 ms 150804 KB Output is correct
42 Correct 2496 ms 195960 KB Output is correct
43 Correct 2932 ms 166752 KB Output is correct
44 Correct 2890 ms 166712 KB Output is correct
45 Execution timed out 3054 ms 165444 KB Time limit exceeded
46 Halted 0 ms 0 KB -