# | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
645453 | karrigan | Factories (JOI14_factories) | C++14 | 0 ms | 0 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<iostream>
#include<algorithm>
using namespace std;
const long long mx=1e15;
struct edg{
int v;
long long w;
};
vector<edg>g[500001];
long long dis[500001];
int dep[500001];
int st[500001][21];
int sub[500001];
int use[500001];
void dfs(int u,int par){
for (auto v:g[u]){
if (v.v==par)continue;
dis[v.v]=v.w+dis[u];
dep[v.v]=dep[u]+1;
st[v.v][0]=u;
dfs(v.v,u);
}
}
inline int lca(int u,int v){
if (dep[u]<dep[v])swap(u,v);
int k=dep[u]-dep[v];
for (int i=20;i>=0;i--){
if (k>>i&1){
u=st[u][i];