#include<bits/stdc++.h>
using namespace std;
int n;
unordered_map<string,int> id;
bool cmp(int x, int y)
{
return x>y;
}
bool visited[1005];
int cnt[1005];
vector<int> con[1005];
void dfs(int nod)
{
visited[nod]=1;
for(auto x:con[nod])
if(!visited[x])
dfs(x);
}
vector<int> nodes;
signed main()
{
ios_base::sync_with_stdio(0);cin.tie(0);
cin>>n;
for(int i=1;i<=n;i++)
{
string nume,aux;
cin>>nume>>aux;
bool rau=0;
if(id[nume]) rau=1;
vector<int> v;
while(cin>>aux)
{
if(aux==";")
break;
if(id[nume])
continue;
if(!id[aux] || aux==nume) rau=1;
v.push_back(id[aux]);
}
if(rau)
{
cout<<"greska\n";
continue;
}
for(int j=1;j<=n;j++)
{
visited[j]=0;
cnt[j]=0;
}
sort(v.begin(),v.end(),cmp);
for(auto x:v)
{
if(!visited[x])
{
dfs(x);
con[i].push_back(x);
}
}
for(auto x:nodes)
if(visited[x])
for(auto y:con[x])
cnt[y]++;
for(auto x:nodes)
{
if(cnt[x]>=2)
{
rau=1;
break;
}
}
if(rau)
{
cout<<"greska\n";
continue;
}
nodes.push_back(i);
id[nume]=i;
cout<<"ok\n";
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
600 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
600 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
59 ms |
596 KB |
Output is correct |
2 |
Correct |
65 ms |
592 KB |
Output is correct |
3 |
Correct |
56 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
3 ms |
604 KB |
Output is correct |
7 |
Correct |
5 ms |
604 KB |
Output is correct |
8 |
Correct |
8 ms |
644 KB |
Output is correct |
9 |
Correct |
9 ms |
604 KB |
Output is correct |
10 |
Correct |
2 ms |
348 KB |
Output is correct |
11 |
Correct |
2 ms |
348 KB |
Output is correct |
12 |
Correct |
52 ms |
572 KB |
Output is correct |