Submission #683638

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
683638	2023-01-19 03:32:47	whqkrtk04	Stations (IOI20_stations)	C++17	100 / 100	936 ms	776 KiB

stations

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#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<int, pii> piii;
typedef pair<ll, ll> pll;
typedef pair<ll, pll> plll;
#define fi first
#define se second
const int INF = 1e9+1;
const int P = 1000000007;
const ll LLINF = (ll)1e18+1;
template <typename T1, typename T2>
ostream& operator<<(ostream& os, const pair<T1, T2>& p) { os << p.fi << " " << p.se; return os; }
template <typename T>
ostream& operator<<(ostream& os, const vector<T>& v) { for(auto i : v) os << i << " "; os << "\n"; return os; }
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define rnd(x, y) uniform_int_distribution<int>(x, y)(rng)
const int MAX = 1000;
void dfs(int x, int d, int &cnt, vector<vector<int>> &E, vector<int> &I, vector<int> &O, vector<int> &D, vector<bool> &vis) {
  if(vis[x]) return;
  vis[x] = true; I[x] = cnt++; D[x] = d;
  for(auto i : E[x]) dfs(i, d+1, cnt, E, I, O, D, vis);
  O[x] = cnt++;
}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
 
 
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Compilation message (stderr)

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:57:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |   for(int i = 0; i+1 < c.size(); i++) T.push_back(c[i]);
      |                  ~~~~^~~~~~~~~~
stations.cpp:60:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   60 |   for(int i = 0; i+1 < T.size(); i++)
      |                  ~~~~^~~~~~~~~~
stations.cpp:64:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |   for(int i = 1; i < c.size(); i++) T.push_back(c[i]);
      |                  ~~^~~~~~~~~~
stations.cpp:67:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   67 |   for(int i = 0; i+1 < T.size(); i++)
      |                  ~~~~^~~~~~~~~~

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