Submission #521338

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
521338	2022-02-01 18:58:01	Jasiekstrz	Construction of Highway (JOI18_construction)	C++17	100 / 100	388 ms	16120 KiB

construction

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include<bits/stdc++.h>
#define fi first
#define se second
using namespace std;
const int N=1e5;
const int P=(1<<17);
int tab[N+10];
int que[N+10];
vector<int> e[N+10];
int par[N+10];
int dep[N+10];
int up[N+10];
int pre[N+10];
int post[N+10];
int pot;
pair<int,int> tr[2*P+10];
long long fen[P+10];
void upd(int x,pair<int,int> c)
{
  for(x+=pot-1;x>=1;x/=2)
    tr[x]=max(tr[x],c);
  return;
}
pair<int,int> read(int l,int r)
{
  pair<int,int> ans={0,1};
  for(l+=pot-1,r+=pot-1;l<=r;l/=2,r/=2)
  {
    if(l%2==1)
      ans=max(ans,tr[l++]);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 7 / 7
• Subtask 2: 9 / 9
• Subtask 3: 84 / 84