Submission #208300

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
208300	2020-03-10 15:49:43	YJU	Synchronization (JOI13_synchronization)	C++14	100 / 100	401 ms	40752 KiB

synchronization

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#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;
typedef long double ld;
const ll MOD=1e9+7;
const ll N=4e5+5;
const ld pi=3.14159265359;
const ll INF=(1LL<<62);
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(ll i=1;i<=n;i++)
#define pb push_back
#define mp make_pair
#define X first
#define Y second
#define setp setprecision
#define lwb lower_bound
#define SZ(a) (ll)a.size()
ll n,x,y,m,q,bit[N],in[N],out[N],ti=1,lca[N][21],cd,ans[N],last[N],B[N];
vector<pll> edge;
vector<ll> v[N];
void DFS(ll nd,ll pa){
  lca[nd][0]=pa;
  in[nd]=ti++;
  ans[nd]=1;
  for(ll i=1;i<=20&&lca[nd][i-1];i++)lca[nd][i]=lca[lca[nd][i-1]][i-1];
  for(auto i:v[nd]){
    if(i==pa)continue;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 40 / 40