Submission #585802

#	Time	Username	Problem	Language	Result	Execution time	Memory
585802		FatihSolak	Dijamant (COI16_dijament)	C++17	100 / 100	299 ms	4624 KiB

dijament

#include <bits/stdc++.h>
#define N 1005
using namespace std;
int par[N];
vector<int> adj[N];
bool ok;
void dfs(int v){
    for(auto u:adj[v]){
        if(!ok)return;
        if(par[u]){
            if(par[u] != v)
                ok = 0;
        }
        else{
            par[u] = v;
            dfs(u);
        }
    }
}
void solve(){
    int n,q;
    n = 0;
    cin >> q;
    map<string,int> mp;
    while(q--){
        string s;
        cin >> s;
        char c;
        cin >> c;
        vector<string> v;
        while(1){
            string t;
            cin >> t;
            if(t == ";")break;
            v.push_back(t);
        }
        ok = 1;
        if(mp[s]){
            ok = 0;
        }
        for(auto u:v){
            if(!mp[u]){
                ok = 0;
            }
        }
        for(int i = 1;i<n;i++){
            par[i] = 0;
        }
        for(auto u:v){
            dfs(mp[u]);
        }
        if(ok){
            mp[s] = ++n;
            cout << "ok" << endl;
            for(auto u:v){
                if(par[mp[u]] == 0){
                    adj[n].push_back(mp[u]);
                }
            }
        }
        else cout << "greska" << endl;
    }
}
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    #ifdef Local
        freopen("in.txt","r",stdin);
        freopen("out.txt","w",stdout);
    #endif
    int t = 1;
    //cin >> t;
    while(t--){
        solve();
    }
    #ifdef Local
        cout << endl << fixed << setprecision(2) << 1000.0*clock()/CLOCKS_PER_SEC << " milliseconds.";
    #endif
}

• Subtask 1: 13 / 13
• Subtask 2: 14 / 14
• Subtask 3: 29 / 29
• Subtask 4: 44 / 44