Submission #15682

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
15682	2015-07-15 05:31:54	progressive	Race (IOI11_race)	C++14	100 / 100	1724 ms	67932 KiB

race

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#include "race.h"
#include <vector>
#include <queue>
#include <set>
#include <cstdio>
#include <algorithm> 
using namespace std;
static const int MAXN=262144;
static set<int> conn[MAXN];
static int H[MAXN][2];
static int L[MAXN];
static int N,K;
//N: number of city K: length of course, H, L:city and cost
static int size[MAXN];
static int maxchild[MAXN];
vector<int> ele;
int dfs(int v,int pa)
{
  ele.push_back(v);
  size[v]=1;
  maxchild[v]=0;
  for(int Eno:conn[v])
  {
    int target=H[Eno][0]^H[Eno][1]^v;
    if(target==pa) continue;
    int ret=dfs(target,v);
    maxchild[v]=max(maxchild[v],ret);
    size[v]+=ret;
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57