Submission #404727

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
404727	2021-05-14 21:51:55	usuyus	Examination (JOI19_examination)	C++14	100 / 100	949 ms	311632 KiB

examination

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#include <bits/stdc++.h>
#define N 200005
#define M 1000000007
using namespace std;
using ll = long long;
struct ImplicitSegTree {
  struct Node {
    ll val;
    Node *lft, *rgt;;
    Node() : val(0), lft(nullptr), rgt(nullptr) {}
    void push() {
      if (!lft) lft = new Node();
      if (!rgt) rgt = new Node();
    }
    void update(ll l, ll r, ll idx) {
      ++val;
      if (l == r) return;
      push();
      ll m = (l+r) / 2;
      if (idx <= m) lft->update(l, m, idx);
      else rgt->update(m+1, r, idx);
    }
    ll query(ll l, ll r, ll lq, ll rq) {
      if (r < lq || rq < l) return 0;
 
 
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Compilation message (stderr)

examination.cpp: In function 'int main()':
examination.cpp:90:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   90 |  for (auto [a, b, c, idx] : qs) {
      |            ^

• Subtask 1: 2 / 2
• Subtask 2: 20 / 20
• Subtask 3: 21 / 21
• Subtask 4: 57 / 57