Submission #469211

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
469211	2021-08-31 06:17:26	Millad	LIS (INOI20_lis)	C++14	100 / 100	2518 ms	217964 KiB

Main

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/// In the name of god
#include <bits/stdc++.h>
#pragma GCC target ("avx2")
#define F first
#define S second
#define pb push_back
#define debug(x) cerr << #x << " : " << x << '\n'
     
using namespace std;
typedef int ll;
typedef long double ld;
typedef pair<ll, ll> pll;
     
const ll maxn = 1e6 + 5;
ll q, x[maxn], p[maxn], b[maxn], ind[maxn], seg[maxn * 4], dp[maxn], lis;
set <ll> A[maxn], B[maxn];
vector <ll> Qu;
inline ll get_ind(ll id, ll ps = 0, ll v = 1, ll s = 0, ll e = q){
  if(e - s == 1){
    seg[v] = 1;
    return s;
  }
  ll mid = (e + s) >> 1, lc = v << 1, rc = lc | 1, ind;
  if(ps + (mid - s) - seg[lc] < id)ind = get_ind(id, ps + (mid - s) - seg[lc], rc, mid, e);
  else ind = get_ind(id, ps, lc, s, mid);
  seg[v] = seg[lc] + seg[rc];
  return ind;
}
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 80 / 80