제출 #914029

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
914029	2024-01-20 19:45:08	VMaksimoski008	Regions (IOI09_regions)	C++17	95 / 100	8036 ms	101340 KiB

regions

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#include <bits/stdc++.h>
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
using namespace std;
using pii = pair<int, int>;
const int maxn = 2e5 + 5;
int n, r, q, in[maxn], out[maxn], timer = 0, i, r1, r2, ans, lp, rp, mid;
short home[maxn];
vector<vector<int> > graph, dp;
vector<vector<pii> > by_home;
void dfs(int u) {
    in[u] = timer++;
    for(int &v : graph[u])
        dfs(v);
    out[u] = timer;
}
void dfs2(int u) {
    dp[home[u]][u]++;
    for(int &v : graph[u]) {
        dfs2(v);
        for(i=1; i<=r; i++)
            dp[i][u] += dp[i][v];
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 80 / 85