Submission #574400

#	Time	Username	Problem	Language	Result	Execution time	Memory
574400		MohamedFaresNebili	Parachute rings (IOI12_rings)	C++14	Compilation error	0 ms	0 KiB

rings

#include <bits/stdc++.h>
#include "rings.h"
#include <ext/pb_ds/assoc_container.hpp>

        using namespace std;
        using namespace __gnu_pbds;

        using ll = long long;
        using ii = pair<ll, ll>;
        using vi = vector<int>;

        #define pb push_back
        #define pp pop_back
        #define ff first
        #define ss second
        #define lb lower_bound

        typedef tree<int, null_type, less<int>, rb_tree_tag,
            tree_order_statistics_node_update> indexed_set;

        const int oo = 1e18 + 7;

        int N; int vis[1000001];
        vector<int> adj[1000001];

        void Init(int n) { N = n; }
        void Link(int a, int b) {
            adj[a].pb(b), adj[b].pb(a);
        }
        bool dfs(int v, int p) {
            if(vis[v]) return 0;
            int children = 0; vis[v] = 1; bool ok = 1;
            for(auto u : adj[v]) {
                if(vis[u] == 2 || u == p) continue;
                children++; ok &= dfs(u, v);
            }
            if(v == p) return (ok && children <= 2);
            return (ok && children <= 1);
        }
        int CountCritical() {
            int res = 0;
            for(int l = 0; l < N; l++) {
                vis[l] = 2; bool ok = 1;
                for(int i = 0; i < N; i++) {
                    if(vis[i]) continue;
                    ok &= dfs(i, i);
                }
                res += ok; fill(vis, vis + N, 0);
            }
            return res;
        }

Compilation message (stderr)

rings.cpp:2:10: fatal error: rings.h: No such file or directory
    2 | #include "rings.h"
      |          ^~~~~~~~~
compilation terminated.