Submission #167740

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
167740	2019-12-10 00:48:09	qkxwsm	Street Lamps (APIO19_street_lamps)	C++14	100 / 100	3032 ms	403392 KiB

street_lamps

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#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
template<class T, class U>
void ckmin(T &a, U b)
{
  if (a > b) a = b;
}
template<class T, class U>
void ckmax(T &a, U b)
{
  if (a < b) a = b;
}
struct custom_hash
{
  template<class T>
  T operator()(T v) const
  {
    v = (v ^ (v >> 30)) * 2696969696969696969ll;
    return (v ^ (v >> 17));
  }
};
template<class T, class U> using hash_table = gp_hash_table<T, U, custom_hash>;
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 20 / 20
• Subtask 5: 20 / 20