oj.uz

Submission #521657

# Submission time Handle Problem Language Result Execution time Memory
521657 2022-02-02T17:18:22 Z cig32 Examination (JOI19_examination) C++17
43 / 100
 1882 ms 223024 KB 
#pragma GCC optimize("Ofast")
#include <cassert>
#include <cctype>
#include <cerrno>
#include <cfloat>
#include <ciso646>
#include <climits>
#include <clocale>
#include <cmath>
#include <csetjmp>
#include <csignal>
#include <cstdarg>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <cwchar>
#include <cwctype>
#include <ccomplex>
#include <cfenv>
#include <cinttypes>
#include <cstdbool>
#include <cstdint>
#include <ctgmath>
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>
#include <array>
#include <atomic>
#include <condition_variable>
#include <forward_list>
#include <future>
#include <initializer_list>
#include <mutex>
#include <random>
#include <ratio>
#include <regex>
#include <scoped_allocator>
#include <system_error>
#include <thread>
#include <tuple>
#include <typeindex>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
mt19937_64 rng((int)std::chrono::steady_clock::now().time_since_epoch().count());
const int MAXN = 3e5 + 10;
const int MOD = 1e9 + 7;
typedef tree<pair<pair<int, int>, int>, null_type, less<pair<pair<int, int>, int> >, rb_tree_tag, tree_order_statistics_node_update> OST;
#define int long long

int rnd(int x, int y) {
  int u = uniform_int_distribution<int>(x, y)(rng); return u;
}
OST bit[MAXN]; // 2D bit in regular matrices but only supporting single add/del
int id = 0;
map<pair<int, int>, queue<int> > mp;
void insert(int x, int y) {
  id++;
  mp[{y, x}].push(id);
  for(;x<MAXN;x+=x&-x) bit[x].insert({{y, x}, id});
}
void erase(int x, int y) {
  int ono = mp[{y, x}].front(); mp[{y, x}].pop();
  for(;x<MAXN;x+=x&-x) bit[x].erase({{y, x}, ono});
}
int query(int x, int y) {
  int sum = 0;
  for(;x;x-=x&-x) sum += bit[x].order_of_key({{y+1, 0}, 0});
  return sum;
}
struct event {
  int type; // type = 0: "insert", type > 0: "query"
  int a, b, c;
};
bool cmp(event x, event y) {
  if(x.c == y.c) return x.type < y.type;
  return x.c > y.c;
}
void solve(int tc) {
  int n, q;
  cin >> n >> q;
  event e[n + q + 1];
  set<int> s;
  for(int i=1; i<=n; i++) {
    e[i].type = 0;
    cin >> e[i].a >> e[i].b;
    e[i].c = e[i].a + e[i].b;
    s.insert(e[i].a);
    s.insert(e[i].b);
    s.insert(e[i].c);
  }
  for(int i=1; i<=q; i++) {
    e[n+i].type = i;
    cin >> e[n+i].a >> e[n+i].b >> e[n+i].c;
    s.insert(e[n+i].a);
    s.insert(e[n+i].b);
    s.insert(e[n+i].c);
  }
  int nxt = 0;
  unordered_map<int, int> is;
  for(int x: s) {
    is[x] = ++nxt;
  }
  for(int i=1; i<=n+q; i++) {
    e[i].a = is[e[i].a];
    e[i].b = is[e[i].b];
    e[i].c = is[e[i].c];
  }
  sort(e + 1, e+n+q + 1, cmp);
  int ans[q+1];
  for(int i=1; i<=n+q; i++) {
    if(e[i].type == 0) {
      insert(e[i].a + 1, e[i].b + 1);
    }
    else {
      ans[e[i].type] = query(300000, 300000) - query(300000, e[i].b) 
        - query(e[i].a, 300000) + query(e[i].a, e[i].b);
    }
  }
  for(int i=1; i<=q; i++) {
    cout << ans[i] << "\n";
  }
}
int32_t main(){
  ios::sync_with_stdio(0); cin.tie(0);
  int t = 1; //cin >> t;
  for(int i=1; i<=t; i++) solve(i);
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 28492 KB Output is correct
2 Correct 21 ms 28428 KB Output is correct
3 Correct 21 ms 28492 KB Output is correct
4 Correct 28 ms 28552 KB Output is correct
5 Correct 23 ms 28492 KB Output is correct
6 Correct 22 ms 28524 KB Output is correct
7 Correct 44 ms 34904 KB Output is correct
8 Correct 46 ms 34880 KB Output is correct
9 Correct 46 ms 34936 KB Output is correct
10 Correct 43 ms 34440 KB Output is correct
11 Correct 47 ms 35284 KB Output is correct
12 Correct 40 ms 31948 KB Output is correct
13 Correct 43 ms 34672 KB Output is correct
14 Correct 46 ms 34712 KB Output is correct
15 Correct 46 ms 34628 KB Output is correct
16 Correct 44 ms 34920 KB Output is correct
17 Correct 41 ms 34132 KB Output is correct
18 Correct 38 ms 32128 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1842 ms 189500 KB Output is correct
2 Correct 1882 ms 189496 KB Output is correct
3 Correct 1860 ms 189596 KB Output is correct
4 Correct 1388 ms 183424 KB Output is correct
5 Correct 1195 ms 222772 KB Output is correct
6 Correct 978 ms 144612 KB Output is correct
7 Correct 1398 ms 189492 KB Output is correct
8 Correct 1715 ms 189628 KB Output is correct
9 Correct 1282 ms 189780 KB Output is correct
10 Correct 1043 ms 203196 KB Output is correct
11 Correct 1033 ms 159560 KB Output is correct
12 Correct 855 ms 149304 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1842 ms 189500 KB Output is correct
2 Correct 1882 ms 189496 KB Output is correct
3 Correct 1860 ms 189596 KB Output is correct
4 Correct 1388 ms 183424 KB Output is correct
5 Correct 1195 ms 222772 KB Output is correct
6 Correct 978 ms 144612 KB Output is correct
7 Correct 1398 ms 189492 KB Output is correct
8 Correct 1715 ms 189628 KB Output is correct
9 Correct 1282 ms 189780 KB Output is correct
10 Correct 1043 ms 203196 KB Output is correct
11 Correct 1033 ms 159560 KB Output is correct
12 Correct 855 ms 149304 KB Output is correct
13 Correct 1657 ms 191476 KB Output is correct
14 Correct 1867 ms 189628 KB Output is correct
15 Correct 1853 ms 189492 KB Output is correct
16 Correct 1093 ms 183448 KB Output is correct
17 Correct 1157 ms 223024 KB Output is correct
18 Correct 966 ms 144576 KB Output is correct
19 Correct 1629 ms 191428 KB Output is correct
20 Correct 1745 ms 190632 KB Output is correct
21 Correct 1528 ms 191336 KB Output is correct
22 Correct 1053 ms 203472 KB Output is correct
23 Correct 1025 ms 159252 KB Output is correct
24 Correct 840 ms 149188 KB Output is correct

Subtask #4
0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 28492 KB Output is correct
2 Correct 21 ms 28428 KB Output is correct
3 Correct 21 ms 28492 KB Output is correct
4 Correct 28 ms 28552 KB Output is correct
5 Correct 23 ms 28492 KB Output is correct
6 Correct 22 ms 28524 KB Output is correct
7 Correct 44 ms 34904 KB Output is correct
8 Correct 46 ms 34880 KB Output is correct
9 Correct 46 ms 34936 KB Output is correct
10 Correct 43 ms 34440 KB Output is correct
11 Correct 47 ms 35284 KB Output is correct
12 Correct 40 ms 31948 KB Output is correct
13 Correct 43 ms 34672 KB Output is correct
14 Correct 46 ms 34712 KB Output is correct
15 Correct 46 ms 34628 KB Output is correct
16 Correct 44 ms 34920 KB Output is correct
17 Correct 41 ms 34132 KB Output is correct
18 Correct 38 ms 32128 KB Output is correct
19 Correct 1842 ms 189500 KB Output is correct
20 Correct 1882 ms 189496 KB Output is correct
21 Correct 1860 ms 189596 KB Output is correct
22 Correct 1388 ms 183424 KB Output is correct
23 Correct 1195 ms 222772 KB Output is correct
24 Correct 978 ms 144612 KB Output is correct
25 Correct 1398 ms 189492 KB Output is correct
26 Correct 1715 ms 189628 KB Output is correct
27 Correct 1282 ms 189780 KB Output is correct
28 Correct 1043 ms 203196 KB Output is correct
29 Correct 1033 ms 159560 KB Output is correct
30 Correct 855 ms 149304 KB Output is correct
31 Correct 1657 ms 191476 KB Output is correct
32 Correct 1867 ms 189628 KB Output is correct
33 Correct 1853 ms 189492 KB Output is correct
34 Correct 1093 ms 183448 KB Output is correct
35 Correct 1157 ms 223024 KB Output is correct
36 Correct 966 ms 144576 KB Output is correct
37 Correct 1629 ms 191428 KB Output is correct
38 Correct 1745 ms 190632 KB Output is correct
39 Correct 1528 ms 191336 KB Output is correct
40 Correct 1053 ms 203472 KB Output is correct
41 Correct 1025 ms 159252 KB Output is correct
42 Correct 840 ms 149188 KB Output is correct
43 Runtime error 801 ms 183444 KB Execution killed with signal 11
44 Halted 0 ms 0 KB -