oj.uz

Submission #472505

# Submission time Handle Problem Language Result Execution time Memory
472505 2021-09-13T16:35:14 Z Blobo2_Blobo2 Political Development (BOI17_politicaldevelopment) C++14
39 / 100
 3000 ms 27888 KB 
/*
Editor: Abdelrahman Hossam
Nickname: Blobo2_Blobo2
IOI next year isA :)
*/
#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,sse4.2,popcnt,abm,mmx,avx2,tune=native")
#pragma GCC optimize("-ffast-math")
#pragma GCC optimize("-funroll-loops")
#pragma GCC optimize("-funroll-all-loops,-fpeel-loops,-funswitch-loops")

#include<bits/stdc++.h>
using namespace std;
//#define int long long
#define endl "\n"
#define all(v)  v.begin(),v.end()
#define gen(arr,n,nxt)  generate(arr,arr+n,nxt)
#define Blobo2_el_7akim_elly_3ayz_yro7_IOI_w_3ayz_yakol_jilaty ios_base::sync_with_stdio(false);cin.tie(0);
#define EPS 0.00000001

const int mo=1e9+7,INF=1e18;
int nxt(){int x;cin>>x;return x;}
int now=-1;
vector<int>adj[50001];
unordered_set<int>st[50001];
bool vis[50001];
vector<int>path;
bool vis2[50001];
inline void dfs(int u){
    if(path.size()+1 == now){
        cout<<now<<endl;
        exit(0);
    }
    vis[u] = 1;
    path.push_back(u);
    for(auto v:adj[u]){
        if(!vis[v]&&!vis2[v]){
            bool iwillgothere = 1;
            for(int i=0;i<path.size();i++){
                if(st[path[i]].find(v) != st[path[i]].end());
                else iwillgothere&=0;
            }
            if(iwillgothere)
                dfs(v);
        }
    }
    path.pop_back();
}
signed main(){
    Blobo2_el_7akim_elly_3ayz_yro7_IOI_w_3ayz_yakol_jilaty
    //freopen("in.txt","r",stdin);
    int n=nxt(),k=nxt();
    for(int i=0;i<n;i++){
        int sz = nxt();
        for(int j=0;j<sz;j++){
            int x=nxt();
            adj[i].push_back(x);
            st[i].insert(x);
        }
    }
    int ans = -1;
    for(ans = k;ans>=1;ans--){
        now = ans;
        for(int i =0;i<n;i++){
            vis2[i]=1;
            dfs(i);
            for(int j=i;j<n;j++)vis[j] = 0;
        }
        for(int i=0;i<n;i++)vis2[i]=0;
    }
    return 0;
}

Compilation message

politicaldevelopment.cpp:21:24: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   21 | const int mo=1e9+7,INF=1e18;
      |                        ^~~~
politicaldevelopment.cpp: In function 'void dfs(int)':
politicaldevelopment.cpp:30:22: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   30 |     if(path.size()+1 == now){
      |        ~~~~~~~~~~~~~~^~~~~~
politicaldevelopment.cpp:39:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |             for(int i=0;i<path.size();i++){
      |                         ~^~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4296 KB Output is correct
2 Correct 3 ms 4172 KB Output is correct
3 Correct 6 ms 5152 KB Output is correct
4 Correct 6 ms 5320 KB Output is correct
5 Correct 6 ms 5196 KB Output is correct
6 Correct 6 ms 5324 KB Output is correct
7 Correct 7 ms 5324 KB Output is correct
8 Correct 4 ms 4172 KB Output is correct
9 Correct 4 ms 4172 KB Output is correct
10 Correct 3 ms 4172 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4296 KB Output is correct
2 Correct 3 ms 4172 KB Output is correct
3 Correct 6 ms 5152 KB Output is correct
4 Correct 6 ms 5320 KB Output is correct
5 Correct 6 ms 5196 KB Output is correct
6 Correct 6 ms 5324 KB Output is correct
7 Correct 7 ms 5324 KB Output is correct
8 Correct 4 ms 4172 KB Output is correct
9 Correct 4 ms 4172 KB Output is correct
10 Correct 3 ms 4172 KB Output is correct
11 Correct 6 ms 5196 KB Output is correct
12 Correct 122 ms 5308 KB Output is correct
13 Correct 3 ms 4172 KB Output is correct
14 Correct 235 ms 5324 KB Output is correct
15 Correct 3 ms 4172 KB Output is correct
16 Correct 11 ms 5324 KB Output is correct
17 Correct 3 ms 4172 KB Output is correct
18 Correct 11 ms 5324 KB Output is correct
19 Correct 4 ms 4172 KB Output is correct
20 Correct 6 ms 5000 KB Output is correct
21 Correct 5 ms 5068 KB Output is correct
22 Correct 4 ms 4172 KB Output is correct
23 Correct 7 ms 5344 KB Output is correct
24 Correct 4 ms 4172 KB Output is correct
25 Correct 7 ms 5324 KB Output is correct
26 Correct 8 ms 5196 KB Output is correct
27 Correct 8 ms 5196 KB Output is correct
28 Correct 10 ms 5280 KB Output is correct
29 Correct 8 ms 5212 KB Output is correct
30 Correct 55 ms 5540 KB Output is correct
31 Correct 9 ms 5324 KB Output is correct
32 Correct 38 ms 5396 KB Output is correct
33 Correct 9 ms 5324 KB Output is correct
34 Correct 8 ms 5312 KB Output is correct
35 Correct 8 ms 4684 KB Output is correct
36 Correct 6 ms 4684 KB Output is correct
37 Correct 6 ms 4684 KB Output is correct
38 Correct 5 ms 4556 KB Output is correct
39 Correct 6 ms 4556 KB Output is correct
40 Correct 9 ms 5580 KB Output is correct
41 Correct 6 ms 4544 KB Output is correct
42 Correct 10 ms 5708 KB Output is correct
43 Correct 11 ms 5580 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 4172 KB Output is correct
2 Correct 3 ms 4172 KB Output is correct
3 Correct 3 ms 4300 KB Output is correct
4 Correct 3 ms 4172 KB Output is correct
5 Correct 3 ms 4172 KB Output is correct
6 Correct 3 ms 4172 KB Output is correct
7 Correct 3 ms 4172 KB Output is correct
8 Correct 3 ms 4172 KB Output is correct
9 Correct 3 ms 4212 KB Output is correct
10 Correct 3 ms 4172 KB Output is correct
11 Correct 1363 ms 27780 KB Output is correct
12 Correct 3 ms 4172 KB Output is correct
13 Correct 292 ms 27772 KB Output is correct
14 Correct 4 ms 4172 KB Output is correct
15 Correct 1326 ms 27784 KB Output is correct
16 Correct 528 ms 27812 KB Output is correct
17 Correct 338 ms 27720 KB Output is correct
18 Correct 522 ms 27888 KB Output is correct

Subtask #4
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4296 KB Output is correct
2 Correct 3 ms 4172 KB Output is correct
3 Correct 6 ms 5152 KB Output is correct
4 Correct 6 ms 5320 KB Output is correct
5 Correct 6 ms 5196 KB Output is correct
6 Correct 6 ms 5324 KB Output is correct
7 Correct 7 ms 5324 KB Output is correct
8 Correct 4 ms 4172 KB Output is correct
9 Correct 4 ms 4172 KB Output is correct
10 Correct 3 ms 4172 KB Output is correct
11 Correct 6 ms 5196 KB Output is correct
12 Correct 122 ms 5308 KB Output is correct
13 Correct 3 ms 4172 KB Output is correct
14 Correct 235 ms 5324 KB Output is correct
15 Correct 3 ms 4172 KB Output is correct
16 Correct 11 ms 5324 KB Output is correct
17 Correct 3 ms 4172 KB Output is correct
18 Correct 11 ms 5324 KB Output is correct
19 Correct 4 ms 4172 KB Output is correct
20 Correct 6 ms 5000 KB Output is correct
21 Correct 5 ms 5068 KB Output is correct
22 Correct 4 ms 4172 KB Output is correct
23 Correct 7 ms 5344 KB Output is correct
24 Correct 4 ms 4172 KB Output is correct
25 Correct 7 ms 5324 KB Output is correct
26 Correct 8 ms 5196 KB Output is correct
27 Correct 8 ms 5196 KB Output is correct
28 Correct 10 ms 5280 KB Output is correct
29 Correct 8 ms 5212 KB Output is correct
30 Correct 55 ms 5540 KB Output is correct
31 Correct 9 ms 5324 KB Output is correct
32 Correct 38 ms 5396 KB Output is correct
33 Correct 9 ms 5324 KB Output is correct
34 Correct 8 ms 5312 KB Output is correct
35 Correct 8 ms 4684 KB Output is correct
36 Correct 6 ms 4684 KB Output is correct
37 Correct 6 ms 4684 KB Output is correct
38 Correct 5 ms 4556 KB Output is correct
39 Correct 6 ms 4556 KB Output is correct
40 Correct 9 ms 5580 KB Output is correct
41 Correct 6 ms 4544 KB Output is correct
42 Correct 10 ms 5708 KB Output is correct
43 Correct 11 ms 5580 KB Output is correct
44 Correct 12 ms 6260 KB Output is correct
45 Correct 3 ms 4172 KB Output is correct
46 Correct 8 ms 5524 KB Output is correct
47 Correct 24 ms 6396 KB Output is correct
48 Correct 11 ms 5580 KB Output is correct
49 Correct 21 ms 6352 KB Output is correct
50 Correct 42 ms 6380 KB Output is correct
51 Correct 23 ms 8120 KB Output is correct
52 Correct 6 ms 5196 KB Output is correct
53 Execution timed out 3068 ms 8552 KB Time limit exceeded
54 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4296 KB Output is correct
2 Correct 3 ms 4172 KB Output is correct
3 Correct 6 ms 5152 KB Output is correct
4 Correct 6 ms 5320 KB Output is correct
5 Correct 6 ms 5196 KB Output is correct
6 Correct 6 ms 5324 KB Output is correct
7 Correct 7 ms 5324 KB Output is correct
8 Correct 4 ms 4172 KB Output is correct
9 Correct 4 ms 4172 KB Output is correct
10 Correct 3 ms 4172 KB Output is correct
11 Correct 6 ms 5196 KB Output is correct
12 Correct 122 ms 5308 KB Output is correct
13 Correct 3 ms 4172 KB Output is correct
14 Correct 235 ms 5324 KB Output is correct
15 Correct 3 ms 4172 KB Output is correct
16 Correct 11 ms 5324 KB Output is correct
17 Correct 3 ms 4172 KB Output is correct
18 Correct 11 ms 5324 KB Output is correct
19 Correct 4 ms 4172 KB Output is correct
20 Correct 6 ms 5000 KB Output is correct
21 Correct 5 ms 5068 KB Output is correct
22 Correct 4 ms 4172 KB Output is correct
23 Correct 7 ms 5344 KB Output is correct
24 Correct 4 ms 4172 KB Output is correct
25 Correct 7 ms 5324 KB Output is correct
26 Correct 8 ms 5196 KB Output is correct
27 Correct 8 ms 5196 KB Output is correct
28 Correct 10 ms 5280 KB Output is correct
29 Correct 8 ms 5212 KB Output is correct
30 Correct 55 ms 5540 KB Output is correct
31 Correct 9 ms 5324 KB Output is correct
32 Correct 38 ms 5396 KB Output is correct
33 Correct 9 ms 5324 KB Output is correct
34 Correct 8 ms 5312 KB Output is correct
35 Correct 8 ms 4684 KB Output is correct
36 Correct 6 ms 4684 KB Output is correct
37 Correct 6 ms 4684 KB Output is correct
38 Correct 5 ms 4556 KB Output is correct
39 Correct 6 ms 4556 KB Output is correct
40 Correct 9 ms 5580 KB Output is correct
41 Correct 6 ms 4544 KB Output is correct
42 Correct 10 ms 5708 KB Output is correct
43 Correct 11 ms 5580 KB Output is correct
44 Correct 3 ms 4172 KB Output is correct
45 Correct 117 ms 21656 KB Output is correct
46 Correct 2589 ms 16456 KB Output is correct
47 Correct 160 ms 21732 KB Output is correct
48 Correct 100 ms 21792 KB Output is correct
49 Correct 37 ms 15212 KB Output is correct
50 Execution timed out 3070 ms 27280 KB Time limit exceeded
51 Halted 0 ms 0 KB -