Submission #952471

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
952471	2024-03-24 03:31:17	badont	Martian DNA (BOI18_dna)	C++17	100 / 100	72 ms	17752 KiB

dna

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#include <bits/stdc++.h>
using namespace std;
// clang-format off
template <typename T, typename = void> struct is_iterable : false_type {};template <typename T>struct is_iterable<    T, void_t<decltype(begin(declval<T>())), decltype(end(declval<T>()))>>    : true_type {};template <typename T>typename enable_if<is_iterable<T>::value && !is_same<T, string>::value,ostream &>::type operator<<(ostream &cout, T const &v);template <typename A, typename B>ostream &operator<<(ostream &cout, pair<A, B> const &p) {  return cout << "(" << p.first << ", " << p.second << ")";}template <typename T>typename enable_if<is_iterable<T>::value && !is_same<T, string>::value, ostream &>::type operator<<(ostream &cout, T const &v) {  cout << "[";  for (auto it = v.begin(); it != v.end();) {cout << *it; if (++it != v.end()) cout << ", ";  } return cout << "]";}
#ifdef LOCAL
  void dbg_out() { cout << endl; } template <typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cout << ' ' << H; dbg_out(T...); }
  #define debug(...) cout << "(" << #__VA_ARGS__ << "):", dbg_out(__VA_ARGS__)
#else
  #define debug(...) "zzz"
#endif
// clang-format on
using ll = long long;
using ld = long double;
using pii = pair<ll, ll>;
#define all(x) x.begin(), x.end()
#define mp make_pair
#define pb push_back
#define f first
#define s second
template <typename T, typename Merge = plus<T>> struct seg {
  int n;
  vector<T> tr;
  Merge merge;
  seg(int n) : n(n), merge(Merge()), tr((n << 2) + 5, T{}){};
 
 
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Compilation message (stderr)

dna.cpp: In function 'void solve()':
dna.cpp:11:22: warning: statement has no effect [-Wunused-value]
   11 |   #define debug(...) "zzz"
      |                      ^~~~~
dna.cpp:132:3: note: in expansion of macro 'debug'
  132 |   debug(ans);
      |   ^~~~~
dna.cpp: In instantiation of 'seg<T, Merge>::seg(int) [with T = int; Merge = std::plus<int>]':
dna.cpp:124:18:   required from here
dna.cpp:28:9: warning: 'seg<int>::merge' will be initialized after [-Wreorder]
   28 |   Merge merge;
      |         ^~~~~
dna.cpp:27:13: warning:   'std::vector<int> seg<int>::tr' [-Wreorder]
   27 |   vector<T> tr;
      |             ^~
dna.cpp:29:3: warning:   when initialized here [-Wreorder]
   29 |   seg(int n) : n(n), merge(Merge()), tr((n << 2) + 5, T{}){};
      |   ^~~

• Subtask 1: 16 / 16
• Subtask 2: 24 / 24
• Subtask 3: 28 / 28
• Subtask 4: 32 / 32