Submission #67619

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
67619	2018-08-15 06:48:16	top34051	Collapse (JOI18_collapse)	C++17	100 / 100	8042 ms	287872 KiB

collapse

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//subtask3
#include "collapse.h"
#include<bits/stdc++.h>
using namespace std;
#define pii pair<int,int>
#define X first
#define Y second
const int maxn = 1e5 + 5;
const int sq = 320;
class DSU {
public:
  int n,com;
  int head[maxn], sz[maxn];
  stack<pii> stk;
  void init(int _n) {
    n = com = _n;
    for(int i=0;i<n;i++) {
      head[i] = i;
      sz[i] = 1;
    }
  }
  int findhead(int x) {
    if(x==head[x]) return x;
    return findhead(head[x]);
  }
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 30 / 30
• Subtask 3: 30 / 30
• Subtask 4: 35 / 35