Submission #88482

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
88482	2018-12-06 05:53:29	qkxwsm	Towns (IOI15_towns)	C++14	100 / 100	22 ms	800 KiB

towns

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#include "towns.h"
#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/rope>
using namespace std;
using namespace __gnu_pbds;
using namespace __gnu_cxx;
random_device(rd);
mt19937 rng(rd());
const long long FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count();
struct custom_hash
{
  template<class T>
  unsigned long long operator()(T v) const
  {
    unsigned long long x = v;
    x += FIXED_RANDOM; x += 11400714819323198485ull;
    x = (x ^ (x >> 30)) * 13787848793156543929ull;
    x = (x ^ (x >> 27)) * 10723151780598845931ull;
    return x ^ (x >> 31);
  }
};
template<class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<class T, class U> using hash_table = gp_hash_table<T, U, custom_hash>;
 
 
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Compilation message (stderr)

towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:128:28: warning: unused parameter 'subtask' [-Wunused-parameter]
 int hubDistance(int n, int subtask)
                            ^~~~~~~

• Subtask 1: 13 / 13
• Subtask 2: 12 / 12
• Subtask 3: 13 / 13
• Subtask 4: 10 / 10
• Subtask 5: 13 / 13
• Subtask 6: 39 / 39