Submission #612407

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
612407	2022-07-29 14:25:30	alireza_kaviani	Making Friends on Joitter is Fun (JOI20_joitter2)	C++17	100 / 100	953 ms	107732 KiB

joitter2

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
#define all(x)      (x).begin(),(x).end()
#define X           first
#define Y           second
#define sep         ' '
#define endl        '\n'
#define SZ(x)       ll(x.size())
const ll MAXN = 1e5 + 10;
const ll LOG = 22;
const ll INF = 8e18;
const ll MOD = 1e9 + 7; //998244353; //1e9 + 9;
ll n , m , ans , sz[MAXN] , par[MAXN];
set<int> inDeg[MAXN] , outDeg[MAXN];
vector<pii> Q;
int Find(int v){
    return (par[v] == -1 ? v : par[v] = Find(par[v]));
}
void Union(int v , int u){
    v = Find(v); u = Find(u);
    if(v == u)  return;
 
 
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• Subtask 1: 1 / 1
• Subtask 2: 16 / 16
• Subtask 3: 83 / 83