Submission #835116

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
835116	2023-08-23 08:40:35	Denkata	Regions (IOI09_regions)	C++17	100 / 100	4173 ms	27420 KiB

regions

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#include<bits/stdc++.h>
using namespace std;
const int crit = 450;
const int maxn = 2e5+3;
const int maxr = 25003;
int i,j,p,q,n,m,R,Q,k,tin[maxn],tout[maxn],br,cnt[crit+3][maxr],hora[maxn],type[maxn],cur,d,nom[maxn];
vector <int> v[maxn];
vector <int> vid[maxr];
vector <int> kraishta[maxr];
void dfs(int u)
{
    tin[u]=++br;
    for(auto i:v[u])
        dfs(i);
    tout[u]=++br;
    kraishta[type[u]].push_back(tin[u]);
}
void dfs2(int u)
{
    cnt[nom[i]][type[u]]+=cur;
    if(type[u]==i)
        cur++;
    for(auto j:v[u])
        dfs2(j);
    if(type[u]==i)
        cur--;
}
int calc()
{
    int ans = 0;
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 85 / 85