Submission #1054419

#	Time	Username	Problem	Language	Result	Execution time	Memory
1054419		NeroZein	Bubble Sort 2 (JOI18_bubblesort2)	C++17	38 / 100	9037 ms	1860 KiB

bubblesort2

#include "bits/stdc++.h"
using namespace std;
 
#ifdef Nero
#include "Deb.h"
#else
#define debug(...)
#endif
 
int count(vector<int> a) {
  int ret = 0;
  int n = (int) a.size();
  vector<int> ord(n);
  iota(ord.begin(), ord.end(), 0);
  sort(ord.begin(), ord.end(), [&](int i, int j) {
    return (a[i] == a[j] ? i < j : a[i] < a[j]);
  });
  int cnt = 0; 
  for (int i : ord) {
    ret = max(ret, i - cnt);
    cnt++;
  }
  return ret; 
}
 
vector<int> countScans(vector<int> a, vector<int> x, vector<int> v) {
  int q = (int) x.size();
  vector<int> ret(q);
  for (int i = 0; i < q; ++i) {
    a[x[i]] = v[i];
    ret[i] = count(a);
  }
  return ret; 
}
 
//int main() {
  //ios::sync_with_stdio(false);
  //cin.tie(nullptr);
  //int n, q;
  //cin >> n >> q;
  //vector<int> a(n); 
  //for (int i = 0; i < n; ++i) {
    //cin >> a[i];
  //}
  //vector<int> x(q), v(q); 
  //for (int i = 0; i < q; ++i) {
    //cin >> x[i] >> v[i];
  //}
  //vector<int> answers = countScans(a, x, v); 
  //for (int i : answers) {
    //cout << i << '\n';
  //}
  //return 0;
//}

• Subtask 1: 17 / 17
• Subtask 2: 21 / 21
• Subtask 3: 0 / 22
• Subtask 4: 0 / 40