# | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
586836 | MetalPower | Pastiri (COI20_pastiri) | C++14 | 737 ms | 109708 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 <bits/stdc++.h>
using namespace std;
#define pii pair<int, int>
#define fi first
#define se second
const int MX = 5e5 + 10;
const int LG = 20;
const int INF = 1e9 + 7;
int N, K, dep[MX], sp[MX][LG];
vector<int> adj[MX];
vector<pii> s;
void dfs(int u, int v){
dep[u] = dep[v] + 1;
sp[u][0] = v;
for(int nxt : adj[u]){
if(nxt == v) continue;
dfs(nxt, u);
}
}
int dt[MX];
bool used[MX];
void bfs(){
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