Submission #310056

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
310056	2020-10-05 11:58:55	Lemur95	Stations (IOI20_stations)	C++17	100 / 100	1202 ms	1256 KiB

stations

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#include <bits/stdc++.h>
#include "stations.h"
#pragma GCC optimize("Ofast")
#define x first
#define y second
#define ld long double
#define ll long long
using namespace std;
vector <int> g[1005];
int nr;
void dfs(int nod, int h, int tata, vector <int> &labels) {
  if(h % 2 == 0)
    labels[nod] = nr++;
  for(auto &fiu : g[nod]) {
    if(fiu != tata)
      dfs(fiu, h + 1, nod, labels);
  }
  if(h % 2)
    labels[nod] = nr++;
}
vector <int> label(int n, int k, vector <int> u, vector <int> v) {
  vector <int> labels(n);
  for(int i = 0; i < n; i++)
    g[i].clear();
  nr = 0;
  for(int i = 0; i < n - 1; i++) {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:48:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |   for(int i = 0; i < c.size(); i++) {
      |                  ~~^~~~~~~~~~
stations.cpp:49:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |     if(c[i] <= t && t < (i != c.size() - 1 ? c[i + 1] : s + 1))
      |                          ~~^~~~~~~~~~~~~~~

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