Submission #596174

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
596174	2022-07-14 12:55:19	Bench0310	Parachute rings (IOI12_rings)	C++17	100 / 100	1222 ms	122164 KiB

rings

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N=1000000;
int n;
vector<int> v[N];
vector<int> vc[N];
int deg[N];
int bad=0;
int big[N]; //number of adjacent big nodes
int cnt[N+1]; //number of good nodes with i adjacent big nodes
int cntbad[N+1]; //number of bad nodes with i adjacent big nodes
vector<int> four;
vector<array<int,2>> cycle_edges;
int incycle[N];
bool valid[N];
struct limiter;
vector<limiter> lim;
bool vis[N];
struct DSU
{
    vector<int> p;
    vector<int> sz;
    DSU()
    {
        p.assign(N,0);
        sz.assign(N,1);
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 17 / 17
• Subtask 3: 18 / 18
• Subtask 4: 14 / 14
• Subtask 5: 31 / 31