Submission #753281

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
753281	2023-06-05 02:16:41	LeonaRaging	Election Campaign (JOI15_election_campaign)	C++14	10 / 100	121 ms	36276 KiB

election_campaign

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#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define db(val) "[" #val " = " << (val) << "] "
const int maxn = 1e5 + 4;
const int N = 16;
struct Query {
  int u, v, w;
  Query(int u = 0, int v = 0, int w = 0): u(u), v(v), w(w) {}
} q[maxn];
int n, m, h[maxn], tin[maxn], tout[maxn], up[maxn][20], dp[maxn], sum[maxn];
vector<int> adj[maxn], cross[maxn], down[maxn];
void dfs1(int u, int p) {
  tin[u] = ++tin[0];
  for (int j = 1; j <= N; j++)
    up[u][j] = up[up[u][j - 1]][j - 1];
  for (int v : adj[u])
    if (v != p) {
      h[v] = h[u] + 1;
      up[v][0] = u;
      dfs1(v, u);
    }
  tout[u] = tin[0];
}
 
 
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• Subtask 1: 0 / 10
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 0 / 30
• Subtask 5: 0 / 10
• Subtask 6: 0 / 40