Submission #50109

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
50109	2018-06-07 14:33:58	top34051	Parachute rings (IOI12_rings)	C++17	55 / 100	4030 ms	94848 KiB

rings

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#include<bits/stdc++.h>
using namespace std;
const int maxn = 1e6 + 5;
int n;
vector<int> way[maxn];
vector<int> deg[10];
int cut[maxn];
int sz, cy, vis[maxn];
stack<int> st;
int ok[maxn];
void Init(int _n) {
    n = _n;
}
void cycle(int u, int last, int ban) {
    if(vis[u]) {
        while(!st.empty()) {
            int v = st.top(); st.pop();
            sz++;
            if(v==u) break;
        }
        cy++;
        return ;
    }
    vis[u] = 1; st.push(u);
    for(auto v : way[u]) {
        if(v!=ban && v!=last && vis[v]<2) {
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 17 / 17
• Subtask 3: 18 / 18
• Subtask 4: 0 / 14
• Subtask 5: 0 / 31