#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define F first
#define S second
#define pb push_back
#define endl "\n"
#define all(x) x.begin(), x.end()
const int M = 1007;
const ll inf = 1e18;
const ll mod = 1e9 + 7;
const double pi = acos(-1);
const double eps = 1e-6;
const int dx[] = {0, -1, 0, 1}, dy[] = {1, 0, -1, 0};
const int block = 320;
map <string, int> mp;
string who[M];
vector <int> roots[M], v[M];
int n, dep[M][M], p[M][M], cmproot;
bool cmp(int a, int b){
return dep[a][cmproot] > dep[b][cmproot];
}
int main(){
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n;
for(int i = 1; i <= n; ++i){
string s; vector <int> tmp; bool ok = 1;
cin >> s;
if(mp[s]) ok = 0;
else mp[s] = i;
int node = mp[s];
who[node] = s;
while(1){
cin >> s;
if(s == ":") continue;
if(s == ";") break;
if(mp[s] == 0) ok = 0;
tmp.pb(mp[s]);
}
if(tmp.empty()){
roots[node].pb(node);
dep[node][node] = 1;
}
for(auto j : tmp)
for(auto k : roots[j])
v[k].pb(j);
for(int root = 1; root <= i; ++root) if(v[root].size()){
cmproot = root;
sort(all(v[root]), cmp);
p[node][root] = v[root][0];
dep[node][root] = dep[v[root][0]][root] + 1;
roots[node].pb(root);
int cur = node;
for(auto j : v[root]){
while(dep[j][root] < dep[cur][root]) cur = p[cur][root];
if(dep[cur][root] == dep[j][root] && cur != j) ok = 0;
}
v[root].clear();
}
if(ok) cout << "ok\n";
else{
cout << "greska\n";
for(int root = 1; root <= n; ++root){
p[node][root] = 0;
dep[node][root] = 0;
}
roots[node].clear();
mp[who[node]] = 0;
who[node] = "";
}
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
212 ms |
11864 KB |
Output is correct |
2 |
Correct |
240 ms |
12452 KB |
Output is correct |
3 |
Correct |
214 ms |
12552 KB |
Output is correct |
4 |
Correct |
6 ms |
4012 KB |
Output is correct |
5 |
Correct |
7 ms |
6044 KB |
Output is correct |
6 |
Correct |
14 ms |
8328 KB |
Output is correct |
7 |
Correct |
21 ms |
8404 KB |
Output is correct |
8 |
Correct |
38 ms |
8556 KB |
Output is correct |
9 |
Correct |
32 ms |
8624 KB |
Output is correct |
10 |
Incorrect |
14 ms |
8364 KB |
Output isn't correct |
11 |
Halted |
0 ms |
0 KB |
- |