Submission #307066

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
307066	2020-09-26 22:36:28	junseo	Stations (IOI20_stations)	C++17	100 / 100	1117 ms	1312 KiB

stations

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#include "stations.h"
#include <bits/stdc++.h>
#define fi first
#define se second
#define eb emplace_back
#define all(v) (v).begin(), (v).end()
#define rmin(r, x) r = min(r, x)
#define rmax(r, x) r = max(r, x)
#define ends ' '
#define endl '\n'
#define fastio ios_base::sync_with_stdio(0), cin.tie(0)
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int maxn = 1e3 + 10;
int T;
vector<int> l, adj[maxn];
void dfs(int u, int p, bool f) {
  if(f) l[u] = T++;
  for(auto& v : adj[u]) if(v != p) dfs(v, u, f ^ true);
  if(!f)  l[u] = T++;
}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
  T = 0;
  l.resize(n);
 
 
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Compilation message (stderr)

stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:32:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |  for(int i = 0; i < u.size(); ++i) {
      |                 ~~^~~~~~~~~~
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:51:1: warning: control reaches end of non-void function [-Wreturn-type]
   51 | }
      | ^

• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 61 / 61