oj.uz

Submission #547691

# Submission time Handle Problem Language Result Execution time Memory
547691 2022-04-11T12:56:52 Z cig32 Bubble Sort 2 (JOI18_bubblesort2) C++17
38 / 100
 382 ms 26020 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();
    if(one == two) {
      while(1) {
        assert(1 + 2 == 1);
      }
    }
    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 3 ms 724 KB Output is correct
2 Correct 5 ms 1108 KB Output is correct
3 Correct 10 ms 2056 KB Output is correct
4 Correct 13 ms 2132 KB Output is correct
5 Correct 12 ms 2260 KB Output is correct
6 Correct 9 ms 2132 KB Output is correct
7 Correct 9 ms 2132 KB Output is correct
8 Correct 10 ms 2132 KB Output is correct
9 Correct 10 ms 2132 KB Output is correct
10 Correct 8 ms 2004 KB Output is correct
11 Correct 10 ms 2004 KB Output is correct
12 Correct 10 ms 2004 KB Output is correct
13 Correct 9 ms 1972 KB Output is correct
14 Correct 9 ms 1876 KB Output is correct
15 Correct 9 ms 1876 KB Output is correct
16 Correct 9 ms 1932 KB Output is correct
17 Correct 9 ms 1928 KB Output is correct
18 Correct 9 ms 1884 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 724 KB Output is correct
2 Correct 5 ms 1108 KB Output is correct
3 Correct 10 ms 2056 KB Output is correct
4 Correct 13 ms 2132 KB Output is correct
5 Correct 12 ms 2260 KB Output is correct
6 Correct 9 ms 2132 KB Output is correct
7 Correct 9 ms 2132 KB Output is correct
8 Correct 10 ms 2132 KB Output is correct
9 Correct 10 ms 2132 KB Output is correct
10 Correct 8 ms 2004 KB Output is correct
11 Correct 10 ms 2004 KB Output is correct
12 Correct 10 ms 2004 KB Output is correct
13 Correct 9 ms 1972 KB Output is correct
14 Correct 9 ms 1876 KB Output is correct
15 Correct 9 ms 1876 KB Output is correct
16 Correct 9 ms 1932 KB Output is correct
17 Correct 9 ms 1928 KB Output is correct
18 Correct 9 ms 1884 KB Output is correct
19 Correct 37 ms 6616 KB Output is correct
20 Correct 48 ms 7444 KB Output is correct
21 Correct 45 ms 7372 KB Output is correct
22 Correct 46 ms 7368 KB Output is correct
23 Correct 37 ms 6996 KB Output is correct
24 Correct 36 ms 6940 KB Output is correct
25 Correct 37 ms 6780 KB Output is correct
26 Correct 38 ms 6800 KB Output is correct
27 Correct 37 ms 6540 KB Output is correct
28 Correct 42 ms 6524 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 9548 KB Output is correct
2 Correct 158 ms 17868 KB Output is correct
3 Correct 313 ms 25960 KB Output is correct
4 Correct 382 ms 25712 KB Output is correct
5 Correct 375 ms 26020 KB Output is correct
6 Correct 339 ms 25960 KB Output is correct
7 Correct 371 ms 25944 KB Output is correct
8 Incorrect 309 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 3 ms 724 KB Output is correct
2 Correct 5 ms 1108 KB Output is correct
3 Correct 10 ms 2056 KB Output is correct
4 Correct 13 ms 2132 KB Output is correct
5 Correct 12 ms 2260 KB Output is correct
6 Correct 9 ms 2132 KB Output is correct
7 Correct 9 ms 2132 KB Output is correct
8 Correct 10 ms 2132 KB Output is correct
9 Correct 10 ms 2132 KB Output is correct
10 Correct 8 ms 2004 KB Output is correct
11 Correct 10 ms 2004 KB Output is correct
12 Correct 10 ms 2004 KB Output is correct
13 Correct 9 ms 1972 KB Output is correct
14 Correct 9 ms 1876 KB Output is correct
15 Correct 9 ms 1876 KB Output is correct
16 Correct 9 ms 1932 KB Output is correct
17 Correct 9 ms 1928 KB Output is correct
18 Correct 9 ms 1884 KB Output is correct
19 Correct 37 ms 6616 KB Output is correct
20 Correct 48 ms 7444 KB Output is correct
21 Correct 45 ms 7372 KB Output is correct
22 Correct 46 ms 7368 KB Output is correct
23 Correct 37 ms 6996 KB Output is correct
24 Correct 36 ms 6940 KB Output is correct
25 Correct 37 ms 6780 KB Output is correct
26 Correct 38 ms 6800 KB Output is correct
27 Correct 37 ms 6540 KB Output is correct
28 Correct 42 ms 6524 KB Output is correct
29 Correct 46 ms 9548 KB Output is correct
30 Correct 158 ms 17868 KB Output is correct
31 Correct 313 ms 25960 KB Output is correct
32 Correct 382 ms 25712 KB Output is correct
33 Correct 375 ms 26020 KB Output is correct
34 Correct 339 ms 25960 KB Output is correct
35 Correct 371 ms 25944 KB Output is correct
36 Incorrect 309 ms 25932 KB Output isn't correct
37 Halted 0 ms 0 KB -