| # | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 422511 | tengiz05 | Factories (JOI14_factories) | C++17 | 8032 ms | 275812 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "factories.h"
#include <bits/stdc++.h>
using i64 = long long;
constexpr int N = 600000, K = 22, M = 2 * N + 1;
std::vector<std::pair<int, int>> e[N];
i64 st[K + 1][M];
int lg[M + 1], n, P[N], timer;
i64 D[N];
i64 pos[M];
int order[N], timeStamp;
int par[N];
int dpar[N];
void dfs(int u, int p, i64 d = 0){
order[timeStamp++] = u;
par[u] = p;
P[u] = timer;
pos[timer++] = d;
D[u] = d;
for (auto [v, w] : e[u]) {
if (v != p) {
dpar[v] = w;
dfs(v, u, d + w);
pos[timer++] = d;
}
}
}
inline i64 dist(int u, int v) {
int L = P[u], R = P[v];
if (L > R) std::swap(L, R);
int j = lg[R - L + 1];
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