Submission #1154136

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1154136	2025-02-20 09:34:43	brover29	Furniture (JOI20_furniture)	C++20	5 / 100	246 ms	4164 KiB

furniture

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#include <bits/stdc++.h>
//qwerty47924692
using namespace std;
using ll = long long;
const ll N=1005;
const string br="617283";
#define sz(a)(ll)a.size()
#define f first
#define s second
ll n,m,a[N][N],mnr[N][N],mxr[N][N],mxc[N][N],mnc[N][N],sz[N][N],dp[N][N];
pair<ll,ll>pr[N][N];
ll dx[4]={0,1,0,-1},dy[4]={1,0,-1,0};
pair<ll,ll> get(pair<ll,ll> a){
    ll x,y;
    x=a.f;
    y=a.s;
    return (pr[x][y]==make_pair(x,y) ? make_pair(x,y) : pr[x][y]=get(pr[x][y]));
}
void uni(pair<ll,ll>u,pair<ll,ll>v){
    u=get(u);
    v=get(v);
    if(u==v)return;
    if(sz[u.f][u.s]>sz[v.f][v.s])swap(v,u);
    pr[u.f][u.s]=v;
    sz[v.f][v.s]+=sz[u.f][u.s];
    mxc[v.f][v.s]=max(mxc[v.f][v.s],mxc[u.f][u.s]);
    mnc[v.f][v.s]=min(mnc[v.f][v.s],mnc[u.f][u.s]);
    mxr[v.f][v.s]=max(mxr[v.f][v.s],mxr[u.f][u.s]);
    mnr[v.f][v.s]=min(mnr[v.f][v.s],mnr[u.f][u.s]);
}
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 0 / 95