Submission #379479

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
3794792021-03-18 10:03:26rocks03Stations (IOI20_stations)C++14
0 / 100
916 ms1332 KiB
//#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;
 
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Compilation message (stderr)

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:71:1: warning: control reaches end of non-void function [-Wreturn-type]
   71 | }
      | ^
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