Submission #1094633

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1094633	2024-09-30 07:26:18	_8_8_	Tourism (JOI23_tourism)	C++17	18 / 100	5071 ms	1048576 KiB

tourism

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#include <bits/stdc++.h>
    
using namespace std;
    
typedef long long ll;
const int  N = 1e5 + 12, MOD = (int)1e9 + 7;
const int L = 19;
vector<int> g[N];
int n, m, q, c[N], tin[N], tout[N], timer, s[N], head[N], ver[N];
int up[N][19], dep[N];
void bb(int v, int pr = -1) {
    s[v] = 1;
    for(int i = 0; i < (int)g[v].size(); i++) {
        int to = g[v][i];
        if(to == pr) continue;
        bb(to, v);
        s[v] += s[to];
        if(s[to] > s[g[v][0]] || g[v][0] == pr) {
            swap(g[v][i], g[v][0]);
        }
    }
}
void hld(int v, int pr = -1) {
    tin[v] = ++timer;
    ver[timer] = v;
    for(int to:g[v]) {
        if(to == pr) continue;
        if(to == g[v][0]) {
            head[to] = head[v];
 
 
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• Subtask 1: 0 / 5
• Subtask 2: 0 / 5
• Subtask 3: 0 / 7
• Subtask 4: 18 / 18
• Subtask 5: 0 / 24
• Subtask 6: 0 / 41