Submission #393732

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
393732	2021-04-24 12:16:22	sad	Paint (COI20_paint)	C++14	0 / 100	38 ms	40396 KiB

paint

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#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define fi first
#define se second
using namespace std;
int n,m;
const int N=200090;
vector<int>a[N],vis[N];
vector<int>v[N],num[N];
int pa[N],co[N];
int get (int x)
{
    if(pa[x]==x)return x;
    return pa[x]=get(pa[x]);
}
void merge(int x,int y)
{
    x=get(x);
    y=get(y);
    if(x==y)return;
    if(v[x].size()<v[y].size())swap(x,y);
    for(auto it:v[y])
    {
        int o=get(it);
        if(o==x)continue;
        //v[x].pb(o);
    }
    v[y].clear();
    pa[y]=x;
 
 
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• Subtask 1: 0 / 8
• Subtask 2: 0 / 9
• Subtask 3: 0 / 31
• Subtask 4: 0 / 52