제출 #518571

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
518571	2022-01-24 07:01:49	starchan	Examination (JOI19_examination)	C++17	100 / 100	194 ms	22364 KiB

examination

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#include <bits/stdc++.h>
using namespace std;
#define int long long
#define in pair<int, int>
#define f first
#define s second
#define pb push_back
#define pob pop_back
#define INF 1e17
#define zero (int)0
#define MX (int)3e5+5
#define LMX (int)5e5+5
#define fast() ios_base::sync_with_stdio(false); cin.tie(NULL);
const int mod = 1e9+7; //may change to that 99.. number.
struct segment_tree
{
  vector<int> tree;
  void init()
  {
    tree.assign(LMX, 0);
    return;
  }
  void upd(int x, int id, int l, int r)
  {
    int m = (l+r)/2;
    if(l == r)
    {
      tree[id]++;
      return;
    }
 
 
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• Subtask 2: 20 / 20
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