Submission #713196

#	Time	Username	Problem	Language	Result	Execution time	Memory
713196		meoww	Intercastellar (JOI22_ho_t1)	C++14	25 / 100	2072 ms	7168 KiB

Main

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#define int long long
#define endl "\n"
int mod=1e9+7;
const int N=2e5+5;
template<class x>
using ordered_multiset = tree<x, null_type,less_equal<x>, rb_tree_tag,tree_order_statistics_node_update>;

int n;
vector<pair<int,int> > v;

void cl(int x) {
  int idk=log2(x);
  idk=pow(2,idk);
  if (idk==x) {
    v.push_back({x,1});
    return;
  }
  if (x%2!=0) {
    v.push_back({1,x});
    return;
  }
  pair<int,int> gg={1e10,1e10};
  int st=x;
  if (st%2==0) st--;
  for (int i=st;i>=1;i-=2) {
    int j=x/i;
    if (x%i==0 && x%j==0) {
      if (i%2==0) gg={i,j};
      else if (j%2==0) gg={j,i};
      else gg={min(i,j),max(i,j)};
      break;
    }
  }
  v.push_back(gg);
}

signed main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    //freopen(".in", "r", stdin); freopen(".out", "w", stdout);

    cin>>n;
    for (int i=0;i<n;i++) {
      int x; cin>>x;
      cl(x);
    }
    pair<int,int> prfx[n+1];
    for (int i=1;i<=n;i++) {
      prfx[i].first=v[i-1].first+prfx[i-1].first;
      prfx[i].second=v[i-1].second;
    }

    int q; cin>>q;
    while (q--) {
      int x; cin>>x;
      pair<int,int> tmp={x,0};
      int i=upper_bound(prfx+1,prfx+(n+1),tmp)-prfx+1;
      i--;
      cout<<prfx[i].second<<endl;
    }

}

• Subtask 1: 25 / 25
• Subtask 2: 0 / 35
• Subtask 3: 0 / 40