Submission #531883

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
531883	2022-03-01 19:12:41	cadmiumsky	Synchronization (JOI13_synchronization)	C++14	100 / 100	458 ms	23908 KiB

synchronization

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#include <bits/stdc++.h>
using namespace std;
const int nmax = 1e5 + 5;
vector<int> g[nmax];
pair<int,int> edg[nmax];
int n;
namespace DSU {
  int pin[nmax], pout[nmax], father[nmax][18], inp = 1, state[nmax],
      sz[nmax], isc[nmax];
  void initP(int node, int f) {
    pin[node] = inp++;
    father[node][0] = f;
    for(int i = 1; i < 18; i++)
      father[node][i] = father[father[node][i - 1]][i - 1];
    for(auto x : g[node]) {
      if(x == f)
        continue;
      initP(x, node);
    }
    pout[node] = inp - 1;
  }
  namespace AIB {
    #define lsb(x) (x & -x)
    int tree[nmax];
    void upd(int poz, int val) {
      while(poz <= n) {
        tree[poz] += val;
        poz += lsb(poz);
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 40 / 40