oj.uz

Submission #547694

# Submission time Handle Problem Language Result Execution time Memory
547694 2022-04-11T13:01:13 Z cig32 Bubble Sort 2 (JOI18_bubblesort2) C++17
38 / 100
 400 ms 25984 KB 
#include "bubblesort2.h"

#include <cstdio>
#include <cstdlib>
#include <vector>
#include <unordered_map>
#include <queue>
#include <algorithm>
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/detail/standard_policies.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef tree<pair<int, int>, null_type, less<pair<int, int> >, rb_tree_tag, tree_order_statistics_node_update> ordered_set;

const int lmao = 4001000;
int qwq = 1000003;
struct node {
  long long upd = 0, val = 0;
} st[lmao];

void u(int l, int r, int constl, int constr, int idx, long long val) {
  if(l <= constl && constr <= r) {
    st[idx].upd += val;
    st[idx].val += val;
    return;
  }
  int mid = (constl + constr) >> 1;
  st[2*idx+1].upd += st[idx].upd;
  st[2*idx+2].upd += st[idx].upd;
  st[2*idx+1].val += st[idx].upd;
  st[2*idx+2].val += st[idx].upd;
  st[idx].upd = 0;
  if(mid < l || r < constl) u(l, r, mid+1, constr, 2*idx+2, val);
  else if(constr < l || r < mid+1) u(l, r, constl, mid, 2*idx+1, val);
  else {
    u(l, r, constl, mid, 2*idx + 1, val);
    u(l, r, mid+1, constr, 2*idx + 2, val);
  }
  st[idx].val = max(st[2*idx+1].val, st[2*idx+2].val);
}

long long qu(int l, int r, int constl, int constr, int idx) {
  if(l <= constl && constr <= r) return st[idx].val;
  int mid = (constl + constr) >> 1;
  st[2*idx+1].upd += st[idx].upd;
  st[2*idx+2].upd += st[idx].upd;
  st[2*idx+1].val += st[idx].upd;
  st[2*idx+2].val += st[idx].upd;
  st[idx].upd = 0;
  if(mid < l || r < constl) return qu(l, r, mid+1, constr, 2*idx+2);
  else if(constr < l || r < mid+1) return qu(l, r, constl, mid, 2*idx+1);
  else {
    return max(qu(l, r, constl, mid, 2*idx+1), qu(l, r, mid+1, constr, 2*idx+2));
  }
}

void range_add(int l, int r, long long v) {
  u(l, r, 0, qwq, 0, v);
}

long long query_max(int l, int r) {
  return qu(l, r, 0, qwq, 0);
}

std::vector<int> countScans(std::vector<int> A,std::vector<int> X,std::vector<int> V){
  ordered_set ost;
  int N=A.size();
	int Q=X.size();
	std::vector<int> answer(Q);
  set<int> s;
  for(int i=0; i<N; i++) {
    s.insert(A[i]);
  }
  for(int i=0; i<Q; i++) s.insert(V[i]);
  unordered_map<int, int> is;
  int nxt = 0;
  for(int x: s) {
    is[x] = nxt++;
  }
  for(int i=0; i<N; i++) A[i] = is[A[i]];
  for(int i=0; i<Q; i++) V[i] = is[V[i]];
  for(int i=0; i<N; i++) ost.insert({A[i], i});
  pair<int, int> B[N];
  for(int i=0; i<N; i++) {
    B[i] = {A[i], i};
  }
  sort(B, B+N);
  multiset<pair<long long, long long> > ms[N+Q];
  unordered_map<long long, long long> ono[N+Q];
  for(int i=0; i<N; i++) {
    ms[B[i].first].insert({B[i].second - i, B[i].second});
    ono[B[i].first][B[i].second] = B[i].second - i;
  }
  for(int i=0; i<N+Q; i++) {
    if(ms[i].empty()) {
      range_add(i, i, -1e17);
    }
    else {
      range_add(i, i, (*ms[i].rbegin()).first);
    }
  }
  for(int i=0; i<Q; i++) { 
    int x = A[X[i]];
    int y = V[i];
    if(A[X[i]] == V[i]) {
      answer[i] = query_max(0, N+Q - 1);
      continue;
    }
    if(x > y) swap(x, y);
    if(x + 1 < y) {
      if(A[X[i]] > V[i]) {
        range_add(x+1, y-1, -1);
      }
      else {
        range_add(x+1, y-1, 1);
      }
    }
    x = A[X[i]];
    y = V[i];
    int one = ms[x].size();
    ms[x].erase({ono[x][X[i]], X[i]});
    int two = ms[x].size();
    assert(one != two);
    if(ms[x].size()) {
      long long ogname = query_max(x, x);
      long long q = (*ms[x].rbegin()).second;
      ost.erase({x, X[i]});
      ost.insert({y, X[i]});
      range_add(x, x, q - (int)ost.order_of_key({A[q], q}) - ogname);
      //cout << "tar " << q - (int)ost.order_of_key({A[q], q}) << "\n";
      ost.erase({y, X[i]});
    }
    else {
    //  cout << "rip :rofl:\n";
      ost.erase({x, X[i]});
      long long ogname = query_max(x, x);
      range_add(x, x, -1e17 - ogname); // res = -1e17
    }
    ost.insert({y, X[i]});
    A[X[i]] = V[i];
    ms[y].insert({X[i] - (int)ost.order_of_key({V[i], X[i]}), X[i]});
    ono[y][X[i]] = X[i] - (int)ost.order_of_key({V[i], X[i]});
   // cout << X[i] << " " << (int)ost.order_of_key({V[i], X[i]}) << " " << X[i] - (int)ost.order_of_key({V[i], X[i]}) << " g\n";
    long long q = (*ms[y].rbegin()).second;
    long long ogname = query_max(V[i], V[i]);
    range_add(V[i], V[i], q - (int)ost.order_of_key({A[q], q}) - ogname);
    answer[i] = query_max(0, N + Q - 1);
    /*
    pair<int, int> B[N];
    for(int j=0; j<N; j++) B[j] = {A[j], j};
    sort(B, B+N);
    int expected = 0;
    for(int j=0; j<N; j++) expected = max(expected, B[j].second - j);
    if(expected != answer[i]) {
      cout << "fuck!!\n";
    //  cout << "query "<<i<<": expected "<<expected<<" found "<<answer[i]<<"\n";
    }
    // for(int j=0; j<N+Q; j++) cout << (query_max(j, j) < -1e15 ? "q" : to_string(query_max(j, j))) << " ";
    //  cout << "\n";
    */
  }
  
	return answer;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 724 KB Output is correct
2 Correct 4 ms 1108 KB Output is correct
3 Correct 9 ms 2132 KB Output is correct
4 Correct 11 ms 2132 KB Output is correct
5 Correct 10 ms 2132 KB Output is correct
6 Correct 9 ms 2132 KB Output is correct
7 Correct 9 ms 2132 KB Output is correct
8 Correct 9 ms 2132 KB Output is correct
9 Correct 10 ms 2132 KB Output is correct
10 Correct 9 ms 2004 KB Output is correct
11 Correct 10 ms 2000 KB Output is correct
12 Correct 9 ms 2004 KB Output is correct
13 Correct 8 ms 1876 KB Output is correct
14 Correct 9 ms 1956 KB Output is correct
15 Correct 8 ms 1916 KB Output is correct
16 Correct 9 ms 1824 KB Output is correct
17 Correct 8 ms 1876 KB Output is correct
18 Correct 10 ms 1816 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 724 KB Output is correct
2 Correct 4 ms 1108 KB Output is correct
3 Correct 9 ms 2132 KB Output is correct
4 Correct 11 ms 2132 KB Output is correct
5 Correct 10 ms 2132 KB Output is correct
6 Correct 9 ms 2132 KB Output is correct
7 Correct 9 ms 2132 KB Output is correct
8 Correct 9 ms 2132 KB Output is correct
9 Correct 10 ms 2132 KB Output is correct
10 Correct 9 ms 2004 KB Output is correct
11 Correct 10 ms 2000 KB Output is correct
12 Correct 9 ms 2004 KB Output is correct
13 Correct 8 ms 1876 KB Output is correct
14 Correct 9 ms 1956 KB Output is correct
15 Correct 8 ms 1916 KB Output is correct
16 Correct 9 ms 1824 KB Output is correct
17 Correct 8 ms 1876 KB Output is correct
18 Correct 10 ms 1816 KB Output is correct
19 Correct 46 ms 6600 KB Output is correct
20 Correct 48 ms 7360 KB Output is correct
21 Correct 44 ms 7372 KB Output is correct
22 Correct 42 ms 7444 KB Output is correct
23 Correct 38 ms 6988 KB Output is correct
24 Correct 40 ms 7088 KB Output is correct
25 Correct 38 ms 6880 KB Output is correct
26 Correct 36 ms 6720 KB Output is correct
27 Correct 41 ms 6580 KB Output is correct
28 Correct 41 ms 6584 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 9560 KB Output is correct
2 Correct 189 ms 17968 KB Output is correct
3 Correct 390 ms 25804 KB Output is correct
4 Correct 308 ms 25804 KB Output is correct
5 Correct 388 ms 25984 KB Output is correct
6 Correct 333 ms 25900 KB Output is correct
7 Correct 400 ms 25952 KB Output is correct
8 Incorrect 302 ms 25932 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 724 KB Output is correct
2 Correct 4 ms 1108 KB Output is correct
3 Correct 9 ms 2132 KB Output is correct
4 Correct 11 ms 2132 KB Output is correct
5 Correct 10 ms 2132 KB Output is correct
6 Correct 9 ms 2132 KB Output is correct
7 Correct 9 ms 2132 KB Output is correct
8 Correct 9 ms 2132 KB Output is correct
9 Correct 10 ms 2132 KB Output is correct
10 Correct 9 ms 2004 KB Output is correct
11 Correct 10 ms 2000 KB Output is correct
12 Correct 9 ms 2004 KB Output is correct
13 Correct 8 ms 1876 KB Output is correct
14 Correct 9 ms 1956 KB Output is correct
15 Correct 8 ms 1916 KB Output is correct
16 Correct 9 ms 1824 KB Output is correct
17 Correct 8 ms 1876 KB Output is correct
18 Correct 10 ms 1816 KB Output is correct
19 Correct 46 ms 6600 KB Output is correct
20 Correct 48 ms 7360 KB Output is correct
21 Correct 44 ms 7372 KB Output is correct
22 Correct 42 ms 7444 KB Output is correct
23 Correct 38 ms 6988 KB Output is correct
24 Correct 40 ms 7088 KB Output is correct
25 Correct 38 ms 6880 KB Output is correct
26 Correct 36 ms 6720 KB Output is correct
27 Correct 41 ms 6580 KB Output is correct
28 Correct 41 ms 6584 KB Output is correct
29 Correct 40 ms 9560 KB Output is correct
30 Correct 189 ms 17968 KB Output is correct
31 Correct 390 ms 25804 KB Output is correct
32 Correct 308 ms 25804 KB Output is correct
33 Correct 388 ms 25984 KB Output is correct
34 Correct 333 ms 25900 KB Output is correct
35 Correct 400 ms 25952 KB Output is correct
36 Incorrect 302 ms 25932 KB Output isn't correct
37 Halted 0 ms 0 KB -