oj.uz

Submission #472533

# Submission time Handle Problem Language Result Execution time Memory
472533 2021-09-13T17:07:35 Z Blobo2_Blobo2 Political Development (BOI17_politicaldevelopment) C++14
39 / 100
 3000 ms 27692 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];
vector<int>path;
inline void dfs(int u){
    if(path.size()+1 == now){
        cout<<now<<endl;
        exit(0);
    }
    path.push_back(u);
    for(auto v:adj[u]){
        bool bos_ana_zh2t=0;
        for(int i=0;i<path.size();i++)if(path[i] == v)bos_ana_zh2t = 1;
        if(bos_ana_zh2t)continue;
        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++)
            dfs(i);
    }
    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:28:22: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   28 |     if(path.size()+1 == now){
      |        ~~~~~~~~~~~~~~^~~~~~
politicaldevelopment.cpp:35:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |         for(int i=0;i<path.size();i++)if(path[i] == v)bos_ana_zh2t = 1;
      |                     ~^~~~~~~~~~~~
politicaldevelopment.cpp:38:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |         for(int i=0;i<path.size();i++){
      |                     ~^~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4172 KB Output is correct
2 Correct 3 ms 4172 KB Output is correct
3 Correct 9 ms 5216 KB Output is correct
4 Correct 7 ms 5196 KB Output is correct
5 Correct 7 ms 5196 KB Output is correct
6 Correct 9 ms 5236 KB Output is correct
7 Correct 8 ms 5324 KB Output is correct
8 Correct 5 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 4172 KB Output is correct
2 Correct 3 ms 4172 KB Output is correct
3 Correct 9 ms 5216 KB Output is correct
4 Correct 7 ms 5196 KB Output is correct
5 Correct 7 ms 5196 KB Output is correct
6 Correct 9 ms 5236 KB Output is correct
7 Correct 8 ms 5324 KB Output is correct
8 Correct 5 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 8 ms 5268 KB Output is correct
12 Correct 444 ms 5292 KB Output is correct
13 Correct 3 ms 4172 KB Output is correct
14 Correct 430 ms 5292 KB Output is correct
15 Correct 4 ms 4172 KB Output is correct
16 Correct 16 ms 5332 KB Output is correct
17 Correct 3 ms 4172 KB Output is correct
18 Correct 17 ms 5344 KB Output is correct
19 Correct 4 ms 4172 KB Output is correct
20 Correct 7 ms 5068 KB Output is correct
21 Correct 6 ms 5068 KB Output is correct
22 Correct 5 ms 4172 KB Output is correct
23 Correct 11 ms 5292 KB Output is correct
24 Correct 4 ms 4172 KB Output is correct
25 Correct 9 ms 5284 KB Output is correct
26 Correct 9 ms 5260 KB Output is correct
27 Correct 11 ms 5196 KB Output is correct
28 Correct 9 ms 5196 KB Output is correct
29 Correct 8 ms 5224 KB Output is correct
30 Correct 141 ms 5384 KB Output is correct
31 Correct 10 ms 5324 KB Output is correct
32 Correct 151 ms 5380 KB Output is correct
33 Correct 13 ms 5324 KB Output is correct
34 Correct 9 ms 5324 KB Output is correct
35 Correct 8 ms 4792 KB Output is correct
36 Correct 7 ms 4684 KB Output is correct
37 Correct 6 ms 4684 KB Output is correct
38 Correct 9 ms 4592 KB Output is correct
39 Correct 7 ms 4556 KB Output is correct
40 Correct 10 ms 5580 KB Output is correct
41 Correct 7 ms 4556 KB Output is correct
42 Correct 10 ms 5524 KB Output is correct
43 Correct 10 ms 5584 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4172 KB Output is correct
2 Correct 4 ms 4172 KB Output is correct
3 Correct 3 ms 4176 KB Output is correct
4 Correct 4 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 4 ms 4172 KB Output is correct
8 Correct 4 ms 4172 KB Output is correct
9 Correct 3 ms 4172 KB Output is correct
10 Correct 4 ms 4232 KB Output is correct
11 Correct 2160 ms 27688 KB Output is correct
12 Correct 3 ms 4172 KB Output is correct
13 Correct 673 ms 27572 KB Output is correct
14 Correct 3 ms 4172 KB Output is correct
15 Correct 2306 ms 27692 KB Output is correct
16 Correct 785 ms 27688 KB Output is correct
17 Correct 724 ms 27692 KB Output is correct
18 Correct 888 ms 27692 KB Output is correct

Subtask #4
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4172 KB Output is correct
2 Correct 3 ms 4172 KB Output is correct
3 Correct 9 ms 5216 KB Output is correct
4 Correct 7 ms 5196 KB Output is correct
5 Correct 7 ms 5196 KB Output is correct
6 Correct 9 ms 5236 KB Output is correct
7 Correct 8 ms 5324 KB Output is correct
8 Correct 5 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 8 ms 5268 KB Output is correct
12 Correct 444 ms 5292 KB Output is correct
13 Correct 3 ms 4172 KB Output is correct
14 Correct 430 ms 5292 KB Output is correct
15 Correct 4 ms 4172 KB Output is correct
16 Correct 16 ms 5332 KB Output is correct
17 Correct 3 ms 4172 KB Output is correct
18 Correct 17 ms 5344 KB Output is correct
19 Correct 4 ms 4172 KB Output is correct
20 Correct 7 ms 5068 KB Output is correct
21 Correct 6 ms 5068 KB Output is correct
22 Correct 5 ms 4172 KB Output is correct
23 Correct 11 ms 5292 KB Output is correct
24 Correct 4 ms 4172 KB Output is correct
25 Correct 9 ms 5284 KB Output is correct
26 Correct 9 ms 5260 KB Output is correct
27 Correct 11 ms 5196 KB Output is correct
28 Correct 9 ms 5196 KB Output is correct
29 Correct 8 ms 5224 KB Output is correct
30 Correct 141 ms 5384 KB Output is correct
31 Correct 10 ms 5324 KB Output is correct
32 Correct 151 ms 5380 KB Output is correct
33 Correct 13 ms 5324 KB Output is correct
34 Correct 9 ms 5324 KB Output is correct
35 Correct 8 ms 4792 KB Output is correct
36 Correct 7 ms 4684 KB Output is correct
37 Correct 6 ms 4684 KB Output is correct
38 Correct 9 ms 4592 KB Output is correct
39 Correct 7 ms 4556 KB Output is correct
40 Correct 10 ms 5580 KB Output is correct
41 Correct 7 ms 4556 KB Output is correct
42 Correct 10 ms 5524 KB Output is correct
43 Correct 10 ms 5584 KB Output is correct
44 Correct 320 ms 6244 KB Output is correct
45 Correct 3 ms 4172 KB Output is correct
46 Correct 10 ms 5552 KB Output is correct
47 Correct 38 ms 6368 KB Output is correct
48 Correct 14 ms 5592 KB Output is correct
49 Correct 38 ms 6296 KB Output is correct
50 Correct 93 ms 6348 KB Output is correct
51 Correct 28 ms 8268 KB Output is correct
52 Correct 7 ms 5316 KB Output is correct
53 Execution timed out 3094 ms 8524 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 4172 KB Output is correct
2 Correct 3 ms 4172 KB Output is correct
3 Correct 9 ms 5216 KB Output is correct
4 Correct 7 ms 5196 KB Output is correct
5 Correct 7 ms 5196 KB Output is correct
6 Correct 9 ms 5236 KB Output is correct
7 Correct 8 ms 5324 KB Output is correct
8 Correct 5 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 8 ms 5268 KB Output is correct
12 Correct 444 ms 5292 KB Output is correct
13 Correct 3 ms 4172 KB Output is correct
14 Correct 430 ms 5292 KB Output is correct
15 Correct 4 ms 4172 KB Output is correct
16 Correct 16 ms 5332 KB Output is correct
17 Correct 3 ms 4172 KB Output is correct
18 Correct 17 ms 5344 KB Output is correct
19 Correct 4 ms 4172 KB Output is correct
20 Correct 7 ms 5068 KB Output is correct
21 Correct 6 ms 5068 KB Output is correct
22 Correct 5 ms 4172 KB Output is correct
23 Correct 11 ms 5292 KB Output is correct
24 Correct 4 ms 4172 KB Output is correct
25 Correct 9 ms 5284 KB Output is correct
26 Correct 9 ms 5260 KB Output is correct
27 Correct 11 ms 5196 KB Output is correct
28 Correct 9 ms 5196 KB Output is correct
29 Correct 8 ms 5224 KB Output is correct
30 Correct 141 ms 5384 KB Output is correct
31 Correct 10 ms 5324 KB Output is correct
32 Correct 151 ms 5380 KB Output is correct
33 Correct 13 ms 5324 KB Output is correct
34 Correct 9 ms 5324 KB Output is correct
35 Correct 8 ms 4792 KB Output is correct
36 Correct 7 ms 4684 KB Output is correct
37 Correct 6 ms 4684 KB Output is correct
38 Correct 9 ms 4592 KB Output is correct
39 Correct 7 ms 4556 KB Output is correct
40 Correct 10 ms 5580 KB Output is correct
41 Correct 7 ms 4556 KB Output is correct
42 Correct 10 ms 5524 KB Output is correct
43 Correct 10 ms 5584 KB Output is correct
44 Correct 4 ms 4184 KB Output is correct
45 Correct 118 ms 21568 KB Output is correct
46 Execution timed out 3088 ms 16388 KB Time limit exceeded
47 Halted 0 ms 0 KB -