제출 #632225

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
632225	2022-08-19 16:42:35	gs14004	Bread First Search (CCO21_day2problem2)	C++17	25 / 25	176 ms	11780 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
using lint = long long;
using pi = pair<int, int>;
#define sz(v) ((int)(v).size())
#define all(v) (v).begin(), (v).end()
const int MAXT = 530000;
const int mod = 1e9 + 7;
struct seg{
  int tree[MAXT], lazy[MAXT];
  void lazydown(int p){
    for(int i = 2*p; i < 2*p+2; i++){
      lazy[i] += lazy[p];
      tree[i] += lazy[p];
    }
    lazy[p] = 0;
  }
  void add(int s, int e, int ps, int pe, int p, int v){
    if(e < ps || pe < s) return;
    if(s <= ps && pe <= e){
      tree[p] += v;
      lazy[p] += v;
      return;
    }
    lazydown(p);
    int pm = (ps+pe)/2;
    add(s, e, ps, pm, 2*p, v);
    add(s, e, pm+1, pe, 2*p+1, v);
    tree[p] = min(tree[2*p], tree[2*p+1]);
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 6 / 6
• Subtask 3: 14 / 14