Submission #697257

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
697257	2023-02-09 01:23:31	Hacv16	Race (IOI11_race)	C++17	100 / 100	351 ms	51640 KiB

race

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#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#define fr first
#define sc second
typedef long long ll;
const int MAX = 1e6 + 15;
const int INF = 0x3f3f3f3f;
int n, k, ans, sub[MAX], f[MAX];
vector<pair<int, int>> adj[MAX], update;
vector<int> fixupdate;
bool removed[MAX];
void dfsInit(int u, int p){
    sub[u] = 1;
    for(auto e : adj[u]){
        if(e.fr == p || removed[e.fr]) continue;
        dfsInit(e.fr, u);
        sub[u] += sub[e.fr];
    }
}
int findCentroid(ll u, ll p, ll sz){
    for(auto e : adj[u]){
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57