Submission #841852

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
841852	2023-09-02 07:37:58	vjudge1	Roadside Advertisements (NOI17_roadsideadverts)	C++17	7 / 100	66 ms	17444 KiB

roadsideadverts

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#include <bits/stdc++.h>
#define ll long long
#define int ll
#define pii pair<int, int>
#define ff first
#define ss second
#define pb push_back
#define in insert
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)x.size()
#define deb(x) cout << #x << " = " << x << '\n';
#define file(x) freopen(x".in", "r", stdin), freopen(x".out", "w", stdout)
using namespace std;
// const int dx[] = {0, 1, 0, -1};
// const int dy[] = {1, 0, -1, 0};
const int inf = 1e9;
const ll INF = 1e18;
const int mod = 1e9 + 7;
const int N = 1e5 + 5;
int n, q, tin[N], tout[N], timer, up[N][21], pref[N], ans, a[21], cnt[21];
vector <pii> g[N];
void dfs(int v, int p) {
  tin[v] = ++timer;
  up[v][0] = p;
  for(int i = 1; i <= 20; i++) {
    up[v][i] = up[up[v][i - 1]][i - 1];
 
 
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• Subtask 1: 7 / 7
• Subtask 2: 0 / 23
• Subtask 3: 0 / 40
• Subtask 4: 0 / 30