제출 #645397

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
645397	2022-09-27 04:46:20	GusterGoose27	푸드 코트 (JOI21_foodcourt)	C++11	68 / 100	1099 ms	305540 KiB

foodcourt

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#pragma GCC optimize("Ofast")
#pragma GCC target("sse4")
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pii;
class ptree {
public:
  int lp, rp;
  ptree *l = nullptr;
  ptree *r = nullptr;
  ll s = 0;
  ptree(int lv, int rv) {
    lp = lv;
    rp = rv;
    if (lp != rp) {
      int mid = (lp+rp)/2;
      l = new ptree(lp, mid);
      r = new ptree(mid+1, rp);
    }
  }
  ptree(ptree *t, int lupd = 0) {
    lp = t->lp;
    rp = t->rp;
    l = t->l;
    r = t->r;
 
 
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