Submission #898945

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
898945	2024-01-05 09:34:02	Amirreza_Fakhri	Regions (IOI09_regions)	C++17	100 / 100	3928 ms	95160 KiB

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// In the name of the God 
#include <bits/stdc++.h>
#define ll long long
// #define int long long
#define pb push_back
#define F first
#define S second
#define mp make_pair
#define pii pair <int, int>
#define smin(x, y) (x) = min((x), (y))
#define smax(x, y) (x) = max((x), (y))
#define all(x) (x).begin(), (x).end()
using namespace std;
 
const int inf = 1e9+7;
const int mod = 998244353;
const int maxn = 2e5+5, maxr = 25e3+5, sq = 300, sq_ = 667+2;
 
int n, q, t = 0, cur = 0, re[maxn], id[maxr], cnt[sq_], res[sq_][maxr], in[maxn], out[maxn];
vector <int> adj[maxn], oc[maxr], amir[maxr];
void dfs(int v = 0) {
    in[v] = t++; amir[re[v]].pb(in[v]);
    if (oc[re[v]].size() >= sq) cnt[id[re[v]]]++;
    for (int i = 0; i < sq_; i++) res[i][re[v]] += cnt[i];
    for (int u : adj[v]) dfs(u);
    if (oc[re[v]].size() >= sq) cnt[id[re[v]]]--;
    out[v] = t;
}
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 85 / 85