Submission #1104620

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1104620	2024-10-24 07:33:49	_callmelucian	Jail (JOI22_jail)	C++14	49 / 100	1048 ms	44552 KiB

jail

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pl;
typedef pair<int,int> pii;
typedef tuple<int,int,int> tt;
#define all(a) a.begin(), a.end()
#define filter(a) a.erase(unique(all(a)), a.end())
const int mn = 1e5 + 5;
int up[mn][18], depth[mn], vis[mn];
vector<int> adj[mn], graph[mn];
void dfs (int u, int p, int d) {
    up[u][0] = p, depth[u] = d;
    for (int i = 1; i < 18; i++)
        up[u][i] = up[up[u][i - 1]][i - 1];
    for (int v : adj[u])
        if (v != p) dfs(v, u, d + 1);
}
int goUp (int a, int k) {
    for (int i = 0; i < 18; i++)
        if (k & (1 << i)) a = up[a][i];
    return a;
}
 
 
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• Subtask 1: 0 / 5
• Subtask 2: 5 / 5
• Subtask 3: 16 / 16
• Subtask 4: 28 / 28
• Subtask 5: 0 / 12
• Subtask 6: 0 / 11
• Subtask 7: 0 / 23