Submission #258882

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
258882	2020-08-06 16:37:29	easrui	Village (BOI20_village)	C++14	100 / 100	112 ms	14072 KiB

Village

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#include <bits/stdc++.h>
#define va first
#define vb second
#define all(x) (x).begin(), (x).end()
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<pii,int> ppi;
typedef pair<int,pii> pip;
const int MN = 1e5+5;
const int MOD = 1e9+7;
const int INF = 1e9;
ll sz[MN],N,min_ans,max_ans,cnt;
int pos[MN],ord[MN],vmin[MN],vmax[MN];
vector<int> G[MN];
bool vis[MN],done[MN];
void dfs(int s)
{
  vis[s] = 1;
  sz[s] = 1;
  for(int e:G[s]){
    if(vis[e]) continue;
    dfs(e);
    sz[s] += sz[e];
    if(done[e]) continue;
    else{
      done[s] = 1;
 
 
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• Subtask 1: 12 / 12
• Subtask 2: 38 / 38
• Subtask 3: 50 / 50