Submission #701010

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
701010	2023-02-19 17:36:14	amin	Sirni (COCI17_sirni)	C++14	0 / 140	564 ms	576984 KiB

sirni

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define rep(i,a,b) for(i=a;i<b;i++)
ll nex[10000002];
ll sz[10000002],vis[10000002];
ll p[20000000];
ll ans=0;
int par(int x)
{
    if(p[x]==x)
    return x;
    p[x]=par(p[x]);
    return p[x];
}
void un(int x,int y,ll cost)
{
    x=par(x);
    y=par(y);
    if(x==y)
    {
        return ;
    }
    ans+=cost;
if(sz[x]<sz[y])
{
    swap(x,y);
}
sz[x]+=sz[y];
 
 
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