제출 #1122627

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
1122627	2024-11-30 15:54:24	abczz	Road Closures (APIO21_roads)	C++17	100 / 100	227 ms	82004 KiB

roads

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#include "roads.h"
#include <iostream>
#include <vector>
#include <array>
#include <algorithm>
#include <queue>
#include <map>
#define ll long long
using namespace std;
array<ll, 2> operator+(array<ll, 2> a, array<ll, 2> b) {
  return {a[0]+b[0], a[1]+b[1]};
};
struct SegTree{
  vector <array<ll, 2>> st;
  vector <array<ll, 2>> X;
  void init(ll x) {
    st.resize(4*x);
  }
  void build(ll id, ll l, ll r) {
    if (l == r) {
      st[id] = {X[l][0], 1};
      return;
    }
    ll mid = (l+r)/2;
    build(id*2, l, mid);
    build(id*2+1, mid+1, r);
    st[id] = st[id*2] + st[id*2+1];
  }
 
 
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