Submission #328553

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
328553	2020-11-17 04:55:08	YJU	Capital City (JOI20_capital_city)	C++14	100 / 100	829 ms	64996 KiB

capital_city

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#include<bits/stdc++.h>
#pragma GCC optimize("unroll-loops,no-stack-protector")
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pll;
const ll MOD=1e9+7;
const ll MOD2=998244353;
const ll N=4e5+5;
const ll K=350;
const ld pi=3.14159265359;
const ll INF=(1LL<<60);
#define SQ(i) ((i)*(i))
#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,m,x,y,col[N],maxn[N],vis[N],sub[N],vis_col[N],ans=INF;
vector<ll> v[N],C[N];
ll pa[N],tag[N];
ll Find_root(ll nd){
  function<void(ll,ll)> DFS = [&](ll id,ll p){
    sub[id]=1;maxn[id]=-1;
 
 
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• Subtask 1: 1 / 1
• Subtask 2: 10 / 10
• Subtask 3: 30 / 30
• Subtask 4: 59 / 59