Submission #947092

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
947092	2024-03-15 13:44:57	Mohammadamin__Sh	LOSTIKS (INOI20_lostiks)	C++17	0 / 100	86 ms	200024 KiB

Main

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//In His Name
#include <bits/stdc++.h>
//#pragma GCC optimize("O3,unroll-loops")
//#pragma GCC target("avx2")
using namespace std;
#define ll long long
//#define int ll
typedef pair<int, int> pii;
#define F first
#define S second
#define pb push_back
#define bug(x) cout << "Ah shit , here we go again : " << x <<endl
#define all(x) x.begin() , x.end()
const int maxn = 1e6 + 10 , maxm = 21 , MOD = 1e9 + 7;
const ll INF = 1e9 + 100;
int n , s , t , key[maxm] , door[maxm] , dp[(1<<maxm)][maxm] , mask[maxn] , par[maxn][maxm] , h[maxn] , path[maxm][maxm] , t_path[maxm] , ans = INF;
vector<pii> adj[maxn];
void Dfs(int v , int p){
    par[v][0] = p;
    for(int i = 1 ; i < maxm ; i++) par[v][i] = par[par[v][i-1]][i-1];
    for(pii u : adj[v]){
        if(u.F == p) continue;
        h[u.F] = h[v]+1;
        mask[u.F] = mask[v];
        if(u.S != -1){
            door[u.S] = v;
            mask[u.F] |= (1 << u.S);
        }
 
 
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• Subtask 1: 0 / 23
• Subtask 2: 0 / 36
• Subtask 3: 0 / 41