Submission #824743

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
824743	2023-08-14 09:21:12	winter0101	Making Friends on Joitter is Fun (JOI20_joitter2)	C++14	100 / 100	556 ms	43720 KiB

joitter2

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#include<bits/stdc++.h>
using namespace std;
#define all(fl) fl.begin(),fl.end()
#define pb push_back
#define fi first
#define se second
#define for1(i,j,k) for(int i=j;i<=k;i++)
#define for2(i,j,k) for(int i=j;i>=k;i--)
#define for3(i,j,k,l) for(int i=j;i<=k;i+=l)
#define lb lower_bound
#define ub upper_bound
#define sz(a) (int)a.size()
#define pii pair<int,int>
#define pli pair<long long,int>
#define gcd __gcd
#define lcm(x,y) x*y/__gcd(x,y)
#define pil pair<int,long long>
#define pll pair<long long,long long>
#define eb emplace_back
//#define int long long
const int maxn=1e5+9;
set<pii>a[maxn];
set<int>b[maxn];
int f[maxn];
int findset(int u){
if (f[u]<0)return u;
return f[u]=findset(f[u]);
}
long long ans=0;
void add(int u,int v){
 
 
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• Subtask 1: 1 / 1
• Subtask 2: 16 / 16
• Subtask 3: 83 / 83