Submission #547758

# Submission time Handle Problem Language Result Execution time Memory
547758 2022-04-11T15:59:18 Z cig32 Bubble Sort 2 (JOI18_bubblesort2) C++17
38 / 100
366 ms 27632 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<long long, long long>, null_type, less<pair<long long, long long> >, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
#define int long long
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);
}
 
const long long onosan = -1e16;
std::vector<int32_t> countScans(std::vector<int32_t> A,std::vector<int32_t> X,std::vector<int32_t> V){
  ordered_set ost;
  int N=A.size();
	int Q=X.size();
	std::vector<int32_t> 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]);
  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];
  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, onosan);
    }
    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, onosan - 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;
}
# Verdict Execution time Memory Grader output
1 Correct 3 ms 768 KB Output is correct
2 Correct 4 ms 980 KB Output is correct
3 Correct 10 ms 1864 KB Output is correct
4 Correct 10 ms 1876 KB Output is correct
5 Correct 9 ms 1796 KB Output is correct
6 Correct 8 ms 1832 KB Output is correct
7 Correct 9 ms 1876 KB Output is correct
8 Correct 9 ms 1844 KB Output is correct
9 Correct 10 ms 1876 KB Output is correct
10 Correct 9 ms 1760 KB Output is correct
11 Correct 9 ms 1752 KB Output is correct
12 Correct 8 ms 1804 KB Output is correct
13 Correct 8 ms 1748 KB Output is correct
14 Correct 9 ms 1704 KB Output is correct
15 Correct 9 ms 1748 KB Output is correct
16 Correct 9 ms 1668 KB Output is correct
17 Correct 8 ms 1620 KB Output is correct
18 Correct 7 ms 1696 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 768 KB Output is correct
2 Correct 4 ms 980 KB Output is correct
3 Correct 10 ms 1864 KB Output is correct
4 Correct 10 ms 1876 KB Output is correct
5 Correct 9 ms 1796 KB Output is correct
6 Correct 8 ms 1832 KB Output is correct
7 Correct 9 ms 1876 KB Output is correct
8 Correct 9 ms 1844 KB Output is correct
9 Correct 10 ms 1876 KB Output is correct
10 Correct 9 ms 1760 KB Output is correct
11 Correct 9 ms 1752 KB Output is correct
12 Correct 8 ms 1804 KB Output is correct
13 Correct 8 ms 1748 KB Output is correct
14 Correct 9 ms 1704 KB Output is correct
15 Correct 9 ms 1748 KB Output is correct
16 Correct 9 ms 1668 KB Output is correct
17 Correct 8 ms 1620 KB Output is correct
18 Correct 7 ms 1696 KB Output is correct
19 Correct 33 ms 5696 KB Output is correct
20 Correct 41 ms 6416 KB Output is correct
21 Correct 45 ms 6464 KB Output is correct
22 Correct 42 ms 6476 KB Output is correct
23 Correct 44 ms 6120 KB Output is correct
24 Correct 37 ms 6120 KB Output is correct
25 Correct 34 ms 5984 KB Output is correct
26 Correct 35 ms 5972 KB Output is correct
27 Correct 36 ms 5744 KB Output is correct
28 Correct 36 ms 5896 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 44 ms 9980 KB Output is correct
2 Correct 193 ms 18820 KB Output is correct
3 Correct 351 ms 27552 KB Output is correct
4 Correct 350 ms 27544 KB Output is correct
5 Correct 335 ms 27632 KB Output is correct
6 Correct 366 ms 27536 KB Output is correct
7 Correct 329 ms 27584 KB Output is correct
8 Incorrect 352 ms 27452 KB Output isn't correct
9 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 3 ms 768 KB Output is correct
2 Correct 4 ms 980 KB Output is correct
3 Correct 10 ms 1864 KB Output is correct
4 Correct 10 ms 1876 KB Output is correct
5 Correct 9 ms 1796 KB Output is correct
6 Correct 8 ms 1832 KB Output is correct
7 Correct 9 ms 1876 KB Output is correct
8 Correct 9 ms 1844 KB Output is correct
9 Correct 10 ms 1876 KB Output is correct
10 Correct 9 ms 1760 KB Output is correct
11 Correct 9 ms 1752 KB Output is correct
12 Correct 8 ms 1804 KB Output is correct
13 Correct 8 ms 1748 KB Output is correct
14 Correct 9 ms 1704 KB Output is correct
15 Correct 9 ms 1748 KB Output is correct
16 Correct 9 ms 1668 KB Output is correct
17 Correct 8 ms 1620 KB Output is correct
18 Correct 7 ms 1696 KB Output is correct
19 Correct 33 ms 5696 KB Output is correct
20 Correct 41 ms 6416 KB Output is correct
21 Correct 45 ms 6464 KB Output is correct
22 Correct 42 ms 6476 KB Output is correct
23 Correct 44 ms 6120 KB Output is correct
24 Correct 37 ms 6120 KB Output is correct
25 Correct 34 ms 5984 KB Output is correct
26 Correct 35 ms 5972 KB Output is correct
27 Correct 36 ms 5744 KB Output is correct
28 Correct 36 ms 5896 KB Output is correct
29 Correct 44 ms 9980 KB Output is correct
30 Correct 193 ms 18820 KB Output is correct
31 Correct 351 ms 27552 KB Output is correct
32 Correct 350 ms 27544 KB Output is correct
33 Correct 335 ms 27632 KB Output is correct
34 Correct 366 ms 27536 KB Output is correct
35 Correct 329 ms 27584 KB Output is correct
36 Incorrect 352 ms 27452 KB Output isn't correct
37 Halted 0 ms 0 KB -