Submission #15617

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
15617	2015-07-13 10:35:13	gs14004	Parachute rings (IOI12_rings)	C++14	100 / 100	3209 ms	157244 KiB

rings

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#include <cstdio>
#include <vector>
#include <algorithm>
#include <cstring>
using namespace std;
   
vector<int> graph[1000005];
int n;
int deg[1000005];
int focus = -1;
bool deadend = 0;
  
int v[4];
int bad[4];
  
struct disj{
    int pa[1000005];
    int deg2[1000005];
    int deg3[1000005];
    int degx[1000005];
    int size[1000005];
    int without;
  
    void init(int n, int w){
        without = w;
        for(int i=0; i<=n; i++) pa[i] = i, size[i] = 1;
    }
   
    int find(int x){
        return pa[x] = (pa[x] == x ? x : find(pa[x]));
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 17 / 17
• Subtask 3: 18 / 18
• Subtask 4: 14 / 14
• Subtask 5: 31 / 31