Submission #780235

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
780235	2023-07-12 07:33:38	cheat_when_I_was_young	Factories (JOI14_factories)	C++17	100 / 100	5029 ms	281412 KiB

factories

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include "factories.h"
#include "bits/stdc++.h"
using namespace std;
const int NM = 5e5 + 5;
const int LG = __lg(NM<<1) + 1;
int in[NM], h[NM], color[NM], par[NM];
long long d[NM], dp[NM][3], ans;
pair<int,int> ST[LG][NM<<1];
vector<int> tour, newAdj[NM];
vector<pair<int,int>> adj[NM];
void dfs(int u, int par) {
    in[u] = tour.size();
    tour.push_back(u);
    for (auto &vv: adj[u]) {
        int v = vv.first, w = vv.second;
        if (v == par) continue;
        d[v] = d[u] + w;
        h[v] = h[u] + 1;
        dfs(v, u);
        tour.push_back(u);
    }
}
void build() {
    for (int i = 0; i < (int)tour.size(); ++i)
        ST[0][i] = {h[tour[i]], tour[i]};
    for (int j = 1; j < LG; ++j)
        for (int i = 0; i + (1<<j) - 1 < (int)tour.size(); ++i)
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 15 / 15
• Subtask 2: 18 / 18
• Subtask 3: 67 / 67