Submission #531834

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
531834	2022-03-01 15:57:35	sidon	Road Closures (APIO21_roads)	C++17	66 / 100	248 ms	49376 KiB

roads

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#include <bits/stdc++.h>
using namespace std;
 
template<class T>
using ii = array<T, 2>;
using ll = long long;
using vi = vector<int>;
 
const int Z = 1e5;
const ll INF = 5e13;
 
struct BIT {
  vi a;
  vector<ii<int>> vals;
  vector<ll> b;
  int n, sz {};
  void addVal(ii<int> v) {
    vals.push_back(v);
  }
  void init() {
    sort(begin(vals), end(vals));
    n = size(vals) + 1;
    b.resize(n);
    a.resize(n);
  }
  void insert(ii<int> v) {
    int i = 1 + lower_bound(begin(vals), end(vals), v) - begin(vals);
    for(++sz; i<n; i+=i&-i) {
      a[i] += 1;
      b[i] += v[0];
 
 
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