#include<bits/stdc++.h>
#define st first
#define nd second
#define pb push_back
#define ppb pop_back
#define umax(x,y) x=max(x,y)
#define umin(x,y) x=min(x,y)
#define ll long long
#define ii pair<int,int>
#define iii pair<ii,int>
#define iiii pair<ii,ii>
#define sz(x) ((int) x.size())
#define orta ((bas+son)>>1)
#define all(x) x.begin(),x.end()
#define dbgs(x) cerr<<(#x)<<" --> "<<(x)<<" "
#define dbg(x) cerr<<(#x)<<" --> "<<(x)<<endl;getchar()
#define pw(x) (1<<(x))
#define inf 60000000000000000
#define MOD 1000000009
#define N 3005
#define MAX 5032117
#define LOG 30
#define KOK 333
#define dec ewfewf
using namespace std;
int dec[N],dif,n,huhu,ord[N],mark[N];
bool flag,vis[N],no[N];
vector<int> v[N],q[N];
map<string,int> MP;
void grs() {
cout<<"greska\n";
}
void dfs(int node) {
if(vis[node]) {
flag=0;
return ;
}
vis[node]=1;
for(int to:v[node]) {
dfs(to);
}
}
void solve(int que) {
int node=q[que][0];
for(int i=1;i<sz(q[que]);i++) v[node].pb(q[que][i]);
sort(all(v[node]),[](int x,int y){
return ord[x]>ord[y];
});
memset(vis,0,sizeof(vis));
memset(mark,0,sizeof(mark));
flag=1;
for(int i=0;i<sz(v[node]);i++) {
int to=v[node][i];
if(vis[to]) {
mark[i]=1;
continue ;
}
dfs(to);
if(!flag) break ;
}
if(!flag) {
dec[node]=0;
v[node].clear();
grs();
return ;
}
vector<int> pos;
for(int i=0;i<sz(v[node]);i++) {
if(!mark[i]) pos.pb(v[node][i]);
}
v[node].clear();
for(int i:pos) v[node].pb(i);
ord[node]=++huhu;
cout<<"ok\n";
}
int main() {
//freopen("input.txt","r",stdin);
ios_base::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
cin>>n;
for(int i=1;i<=n;i++) {
string s;
cin>>s;
if(!MP[s]) MP[s]=++dif;
q[i].pb(MP[s]);
cin>>s;
while(1) {
string dad;
cin>>dad;
if(dad[0]==';') break ;
if(!MP[dad]) {
no[i]=1;
continue ;
}
q[i].pb(MP[dad]);
}
}
for(int i=1;i<=n;i++) {
if(no[i]) {
grs();
continue ;
}
int adding=q[i][0];
if(dec[adding]) {
grs();
continue ;
}
bool fail=0;
dec[adding]=1;
for(int j=1;j<sz(q[i]);j++) {
if(!dec[q[i][j]]) {
grs();
fail=1;
dec[adding]=0;
break ;
}
}
if(fail) continue ;
solve(i);
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
504 KB |
Output is correct |
2 |
Correct |
2 ms |
636 KB |
Output is correct |
3 |
Correct |
2 ms |
636 KB |
Output is correct |
4 |
Correct |
2 ms |
636 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
504 KB |
Output is correct |
2 |
Correct |
2 ms |
636 KB |
Output is correct |
3 |
Correct |
2 ms |
636 KB |
Output is correct |
4 |
Correct |
2 ms |
636 KB |
Output is correct |
5 |
Correct |
2 ms |
640 KB |
Output is correct |
6 |
Correct |
4 ms |
812 KB |
Output is correct |
7 |
Correct |
4 ms |
828 KB |
Output is correct |
8 |
Correct |
2 ms |
828 KB |
Output is correct |
9 |
Correct |
2 ms |
828 KB |
Output is correct |
10 |
Correct |
2 ms |
828 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
504 KB |
Output is correct |
2 |
Correct |
2 ms |
636 KB |
Output is correct |
3 |
Correct |
2 ms |
636 KB |
Output is correct |
4 |
Correct |
2 ms |
636 KB |
Output is correct |
5 |
Correct |
2 ms |
640 KB |
Output is correct |
6 |
Correct |
4 ms |
812 KB |
Output is correct |
7 |
Correct |
4 ms |
828 KB |
Output is correct |
8 |
Correct |
2 ms |
828 KB |
Output is correct |
9 |
Correct |
2 ms |
828 KB |
Output is correct |
10 |
Correct |
2 ms |
828 KB |
Output is correct |
11 |
Correct |
2 ms |
828 KB |
Output is correct |
12 |
Correct |
2 ms |
828 KB |
Output is correct |
13 |
Correct |
2 ms |
828 KB |
Output is correct |
14 |
Correct |
3 ms |
828 KB |
Output is correct |
15 |
Correct |
4 ms |
828 KB |
Output is correct |
16 |
Correct |
2 ms |
828 KB |
Output is correct |
17 |
Correct |
2 ms |
828 KB |
Output is correct |
18 |
Correct |
3 ms |
832 KB |
Output is correct |
19 |
Correct |
3 ms |
836 KB |
Output is correct |
20 |
Correct |
3 ms |
896 KB |
Output is correct |
21 |
Correct |
3 ms |
896 KB |
Output is correct |
22 |
Correct |
2 ms |
896 KB |
Output is correct |
23 |
Correct |
3 ms |
896 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
270 ms |
5976 KB |
Output is correct |
2 |
Correct |
316 ms |
10772 KB |
Output is correct |
3 |
Correct |
300 ms |
12096 KB |
Output is correct |
4 |
Correct |
4 ms |
12096 KB |
Output is correct |
5 |
Correct |
4 ms |
12096 KB |
Output is correct |
6 |
Correct |
8 ms |
12096 KB |
Output is correct |
7 |
Correct |
16 ms |
12096 KB |
Output is correct |
8 |
Correct |
28 ms |
12096 KB |
Output is correct |
9 |
Correct |
29 ms |
12096 KB |
Output is correct |
10 |
Correct |
9 ms |
12096 KB |
Output is correct |
11 |
Correct |
9 ms |
12096 KB |
Output is correct |
12 |
Correct |
244 ms |
18808 KB |
Output is correct |