Submission #691869

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
691869	2023-01-31 19:22:05	piOOE	Prize (CEOI22_prize)	C++17	100 / 100	2522 ms	243396 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
struct Tree {
    vector<int> tin, tout, par, depth, jump;
    int logn;
    void init(vector<vector<int>> adj, int root) {
        int n = adj.size();
        int T = 0;
        tin.assign(n, -1), tout.resize(n), par.resize(n), depth.resize(n), jump.resize(n);
        par[root] = jump[root] = root;
        function<void(int)> dfs = [&](int v) {
            tin[v] = T++;
            for (int to : adj[v]) {
                depth[to] = depth[v] + 1;
                par[to] = v;
                int p = jump[v];
                int pp = jump[p];
                if (depth[p] - depth[v] == depth[pp] - depth[p]) {
                    jump[to] = pp;
                } else {
                    jump[to] = v;
                }
 
 
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Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:129:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  129 |     for (int i = 1; i < ord.size(); ++i) {
      |                     ~~^~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 25 / 25
• Subtask 3: 19 / 19
• Subtask 4: 22 / 22
• Subtask 5: 24 / 24