Submission #933672

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
933672	2024-02-26 04:38:39	beepbeepsheep	The Xana coup (BOI21_xanadu)	C++17	100 / 100	76 ms	51444 KiB

xanadu

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#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef tree<long long, null_type, less_equal<>,
        rb_tree_tag, tree_order_statistics_node_update>
        ordered_set;
        
#define ll long long
#define ii pair<ll,ll>
#define iii tuple<ll,ll,ll>
#ifndef DEBUG
#define cerr if (0) cerr
#define endl '\n'
#endif
const ll inf=1e15;
const ll maxn=5e5+5;
const ll mod=1e9+7;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
vector<ll> adj[maxn];
ll arr[maxn];
ll dp[maxn][2][2];
ll dfs(ll x, ll p, ll fs, ll fp){
  if (dp[x][fs][fp]!=-1) return dp[x][fs][fp];
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 15 / 15
• Subtask 3: 10 / 10
• Subtask 4: 40 / 40
• Subtask 5: 30 / 30