Submission #156955

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
156955	2019-10-08 12:57:07	popovicirobert	Bridges (APIO19_bridges)	C++14	100 / 100	2849 ms	21292 KiB

bridges

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#include <bits/stdc++.h>
#define ll long long
#define ull unsigned long long
#define lsb(x) (x & (-x)) 
    
using namespace std;
const int MAXN = 50000;
const int MAXM = (int) 1e5;
const int B = 1500;
struct DSU {
  vector <int> par, sz;
  int n;
  inline void init(int _n) {
    n = _n;
    par.resize(n + 1), sz.resize(n + 1, 1);
  }
  int root(int x) {
    if(par[x] == 0) return x;
    return par[x] = root(par[x]);
  }
  inline void join(int x, int y) {
    x = root(x), y = root(y);
    if(x != y) {
      par[x] = y;
      sz[y] += sz[x];
 
 
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• Subtask 1: 13 / 13
• Subtask 2: 16 / 16
• Subtask 3: 17 / 17
• Subtask 4: 14 / 14
• Subtask 5: 13 / 13
• Subtask 6: 27 / 27