# | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
379479 | rocks03 | Stations (IOI20_stations) | C++14 | 916 ms | 1332 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.
//#pragma GCC target("avx2")
//#pragma GCC optimization("O3")
//#pragma GCC optimization("unroll-loops")
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define ff first
#define ss second
#define pb push_back
#define SZ(x) ((int)(x).size())
#define all(x) x.begin(), x.end()
#define rep(i, a, b) for(int i = (a); i < (b); i++)
#define Re(i, a, b) for(int i = (a); i >= (b); i--)
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int MAXN = 1e3;
vector<vector<int>> g;
int timer;
void dfs(int v, int p, vector<int>& labels){
int tin = timer++;
for(int u : g[v]){
if(u ^ p){
dfs(u, v, labels);
}
}
int tou = timer - 1;
labels[v] = MAXN * tin + tou;
Compilation message (stderr)
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