Submission #240159

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
240159	2020-06-18 09:27:24	MvC	Synchronization (JOI13_synchronization)	C++11	100 / 100	258 ms	21240 KiB

synchronization

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#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define mkp make_pair
#define in insert
#define er erase
#define fd find
#define fr first
#define sc second
#define all(x) x.begin(),x.end()
#define lun(x) (int)x.size()
typedef long long ll;
typedef long double ld;
const ll INF=0x3f3f3f3f3f3f3f3f;
const ll llinf=(1LL<<60);
const int inf=(1<<30);
const int nmax=1e5+50;
const ll mod=1e9+7;
using namespace std;
int n,m,q,i,t,tin[nmax],tout[nmax],up[nmax][20],rs[nmax],fw[nmax],ex[nmax],ey[nmax],x,y,z,l[nmax];
vector<int>a[nmax];
void dfs(int x,int p)
{
  tin[x]=++t;
  up[x][0]=p;
  for(int i=1;i<17;i++)up[x][i]=up[up[x][i-1]][i-1];
  for(int i=0;i<lun(a[x]);i++)if(a[x][i]!=p)dfs(a[x][i],x);
  tout[x]=t;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 40 / 40