/ SeriousOJ /

Record Detail

Time Exceeded


  
# Status Time Cost Memory Cost
#1 Accepted 56ms 10.449 MiB
#2 Accepted 56ms 10.695 MiB
#3 Wrong Answer 55ms 10.641 MiB
#4 Accepted 56ms 10.711 MiB
#5 Accepted 56ms 10.93 MiB
#6 Accepted 57ms 10.617 MiB
#7 Accepted 56ms 10.707 MiB
#8 Accepted 56ms 10.848 MiB
#9 Accepted 57ms 10.672 MiB
#10 Accepted 57ms 10.535 MiB
#11 Accepted 57ms 10.562 MiB
#12 Accepted 59ms 10.711 MiB
#13 Accepted 65ms 10.523 MiB
#14 Accepted 57ms 10.707 MiB
#15 Time Exceeded ≥2094ms ≥11.539 MiB
#16 Time Exceeded ≥2092ms ≥11.539 MiB
#17 Time Exceeded ≥2091ms ≥12.273 MiB
#18 Accepted 66ms 10.488 MiB
#19 Accepted 626ms 10.805 MiB
#20 Accepted 716ms 10.809 MiB
#21 Wrong Answer 1076ms 10.828 MiB
#22 Accepted 1018ms 10.805 MiB
#23 Accepted 758ms 10.816 MiB
#24 Accepted 1327ms 10.809 MiB
#25 Accepted 532ms 10.824 MiB
#26 Accepted 969ms 10.82 MiB
#27 Accepted 1862ms 10.828 MiB
#28 Accepted 1698ms 10.832 MiB
#29 Time Exceeded ≥2079ms ≥10.801 MiB
#30 Time Exceeded ≥2086ms ≥10.996 MiB
#31 Time Exceeded ≥2093ms ≥11.066 MiB
#32 Wrong Answer 185ms 10.777 MiB
#33 Wrong Answer 64ms 11.035 MiB
#34 Wrong Answer 76ms 10.645 MiB
#35 Time Exceeded ≥2088ms ≥11.082 MiB

Code

#include <bits/stdc++.h>
#define ll long long
#define endll '\n';
#define pb push_back
#define all(v) v.begin(), v.end()
using namespace std;

const int mod = 1e9 + 7, N = 1e5 + 9;
vector<int> divv[N + 3];
int vis[N + 4];
void solve()
{
  int n;
  cin >> n;
  int ar[n + 3];
  vector<int> all_div, backup;
  map<int, int> mp;
  vector<int> v;
  for (int i = 1; i <= n; i++)
  {
    cin >> ar[i];
    if (i == 1)
    {
      for (auto j : divv[ar[i]])
      {
        all_div.push_back(j);
        mp[j]++;
      }
    }
  }

  int even = n / 2, odd = n - even, ans = 0;

  for (int i = 0; i < all_div.size(); i++)
  {

    int ii = all_div[i];

    for (int k = 1; k <= n; k++)
    {
      if (ar[k] % ii != 0)
      {
        // cout << ar[k] << " = " << endll;
        for (auto ff : divv[ar[k]])
        {
          // cout << ff << " ";
          mp[ff]++;
        }
        // cout << endll;
        // break;
      }
    }
  }

  for (auto i : mp)
    backup.pb(i.first);
  all_div = backup;
  // for(auto i : all_div) {
  //   cout << i << " " << endll;
  // }

  for (int i = 0; i < all_div.size(); i++)
  {

    int ii = all_div[i];

    for (int j = i; j < all_div.size(); j++)
    {
      int jj = all_div[j];
      // cout << ii << " " << jj << endll;
      int both = 0, first = 0, second = 0, flg = 0;
      for (int k = 1; k <= n; k++)
      {
        if (ar[k] % ii == 0 && ar[k] % jj == 0)
        {
          both++;
        }
        else if (ar[k] % ii == 0)
        {
          first++;
        }
        else if (ar[k] % jj == 0)
        {
          second++;
        }
        else
        {
          flg = 1;
          break;
        }
      }

      if (flg == 0)
      {
        if (ii == jj)
        {
          if (both == n)
          {
            ans = max(ans, ii + jj);
            continue;
          }
        }
        if (first > even && first > odd)
        {
          continue;
        }

        if (second > even && second > odd)
        {
          continue;
        }
        ans = max(ans, ii + jj);
      }
    }
  }
  // cout << all_div.size() << endl;
  cout << ans << endll;
}

int32_t main()
{
  ios::sync_with_stdio(false);
  cin.tie(0);
  int t = 1;

  for (int i = 1; i <= N; i++)
  {
    for (int j = i; j <= N; j += i)
    {
      divv[j].pb(i);
    }
  }

  cin >> t;
  while (t--)
  {
    solve();
  }
  return 0;
}

Information

Submit By
Type
Submission
Problem
P1077 Even Odd GCD (Hard Version)
Contest
Bangladesh 2.0
Language
C++20 (G++ 13.2.0)
Submit At
2024-08-16 17:17:42
Judged At
2024-10-03 13:22:52
Judged By
Score
67
Total Time
≥2094ms
Peak Memory
≥12.273 MiB