Submission #1129238

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1129238	2024-12-23 20:19:15	vladilius	The Xana coup (BOI21_xanadu)	C++20	100 / 100	86 ms	27976 KiB

xanadu

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
#define pb push_back
#define ff first
#define ss second
const int inf = 1e9;
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    
    int n; cin>>n;
    vector<int> g[n + 1];
    for (int i = 1; i < n; i++){
        int x, y; cin>>x>>y;
        g[x].pb(y);
        g[y].pb(x);
    }
    vector<int> a(n + 1);
    for (int i = 1; i <= n; i++){
        cin>>a[i];
    }
    
    int dp[n + 1][2][2];
    function<void(int, int)> dfs = [&](int v, int pr){
        for (int i: g[v]){
            if (i == pr) continue;
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 15 / 15
• Subtask 3: 10 / 10
• Subtask 4: 40 / 40
• Subtask 5: 30 / 30