oj.uz

답안 #547688

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
547688 2022-04-11T12:55:19 Z cig32 Bubble Sort 2 (JOI18_bubblesort2) C++17
38 / 100
 391 ms 26044 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) {
      cout << "SOP\n";
      for(pair<int, int> g: ms[x]) cout << "{" <<g.first << ", " <<g.second << "} ";
      cout << "\n";
      cout << "Tar = {" << ono[x][X[i]] << ", " << X[i] << "}\n"; 
    }
    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

# 결과 실행 시간 메모리 Grader output
1 Correct 2 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 10 ms 2132 KB Output is correct
5 Correct 9 ms 2116 KB Output is correct
6 Correct 10 ms 2132 KB Output is correct
7 Correct 10 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 9 ms 2004 KB Output is correct
11 Correct 10 ms 1924 KB Output is correct
12 Correct 8 ms 2004 KB Output is correct
13 Correct 8 ms 1876 KB Output is correct
14 Correct 8 ms 1876 KB Output is correct
15 Correct 9 ms 1924 KB Output is correct
16 Correct 7 ms 1876 KB Output is correct
17 Correct 8 ms 1876 KB Output is correct
18 Correct 10 ms 1876 KB Output is correct

Subtask #2
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 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 10 ms 2132 KB Output is correct
5 Correct 9 ms 2116 KB Output is correct
6 Correct 10 ms 2132 KB Output is correct
7 Correct 10 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 9 ms 2004 KB Output is correct
11 Correct 10 ms 1924 KB Output is correct
12 Correct 8 ms 2004 KB Output is correct
13 Correct 8 ms 1876 KB Output is correct
14 Correct 8 ms 1876 KB Output is correct
15 Correct 9 ms 1924 KB Output is correct
16 Correct 7 ms 1876 KB Output is correct
17 Correct 8 ms 1876 KB Output is correct
18 Correct 10 ms 1876 KB Output is correct
19 Correct 42 ms 6520 KB Output is correct
20 Correct 47 ms 7460 KB Output is correct
21 Correct 41 ms 7372 KB Output is correct
22 Correct 42 ms 7464 KB Output is correct
23 Correct 38 ms 7004 KB Output is correct
24 Correct 39 ms 6996 KB Output is correct
25 Correct 44 ms 6852 KB Output is correct
26 Correct 44 ms 6792 KB Output is correct
27 Correct 36 ms 6484 KB Output is correct
28 Correct 37 ms 6524 KB Output is correct

Subtask #3
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 40 ms 9548 KB Output is correct
2 Correct 196 ms 17976 KB Output is correct
3 Correct 331 ms 25760 KB Output is correct
4 Correct 367 ms 25712 KB Output is correct
5 Correct 308 ms 26044 KB Output is correct
6 Correct 391 ms 25844 KB Output is correct
7 Correct 329 ms 25916 KB Output is correct
8 Incorrect 334 ms 25996 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 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 10 ms 2132 KB Output is correct
5 Correct 9 ms 2116 KB Output is correct
6 Correct 10 ms 2132 KB Output is correct
7 Correct 10 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 9 ms 2004 KB Output is correct
11 Correct 10 ms 1924 KB Output is correct
12 Correct 8 ms 2004 KB Output is correct
13 Correct 8 ms 1876 KB Output is correct
14 Correct 8 ms 1876 KB Output is correct
15 Correct 9 ms 1924 KB Output is correct
16 Correct 7 ms 1876 KB Output is correct
17 Correct 8 ms 1876 KB Output is correct
18 Correct 10 ms 1876 KB Output is correct
19 Correct 42 ms 6520 KB Output is correct
20 Correct 47 ms 7460 KB Output is correct
21 Correct 41 ms 7372 KB Output is correct
22 Correct 42 ms 7464 KB Output is correct
23 Correct 38 ms 7004 KB Output is correct
24 Correct 39 ms 6996 KB Output is correct
25 Correct 44 ms 6852 KB Output is correct
26 Correct 44 ms 6792 KB Output is correct
27 Correct 36 ms 6484 KB Output is correct
28 Correct 37 ms 6524 KB Output is correct
29 Correct 40 ms 9548 KB Output is correct
30 Correct 196 ms 17976 KB Output is correct
31 Correct 331 ms 25760 KB Output is correct
32 Correct 367 ms 25712 KB Output is correct
33 Correct 308 ms 26044 KB Output is correct
34 Correct 391 ms 25844 KB Output is correct
35 Correct 329 ms 25916 KB Output is correct
36 Incorrect 334 ms 25996 KB Output isn't correct
37 Halted 0 ms 0 KB -