oj.uz

Submission #783107

# Submission time Handle Problem Language Result Execution time Memory
783107 2023-07-14T15:31:30 Z 1075508020060209tc Political Development (BOI17_politicaldevelopment) C++14
39 / 100
 908 ms 26144 KB 
#include<bits/stdc++.h>
using namespace std;
//#define int long long
#define X first
#define Y second
int n;int K;
set<int>st[50100];
int tbl[5010][5010];

void slvk3(){
int ans=1;
for(int i=0;i<=n-1;i++){
    if(st[i].size()>=2){ans=2;break;}
}
for(int i=0;i<=n-1;i++){
    for(auto it=st[i].begin();(*it)<i;it++){
        int v=(*it);
    }
}


}


signed main(){
cin.tie(0);
ios_base::sync_with_stdio(0);
cin>>n>>K;
for(int i=0;i<n;i++){
    int d;
    cin>>d;
    for(int j=1;j<=d;j++){
        int v;
        cin>>v;
        if(v<i){
            if(st[v].find(i)==st[v].end()){continue;}
        }
        st[i].insert(v);
     //   tbl[i][v]=1;
    }
   // tbl[i][i]=1;
    st[i].insert(i);
}

if(K<=3){
    //slvk3();
}

for(int i=n-1;i>=0;i--){
        vector<int>vc;
    for(auto it=st[i].begin();it!=st[i].end();it++){
        int v=*it;
        if(v>i){
            if(st[v].find(i)==st[v].end()){vc.push_back(v);}
        }
    }
    for(int j=0;j<vc.size();j++){
        st[i].erase(vc[j]);
    }
}


int ans=1;


for(int i=0;i<n;i++){
    vector<int>vc;
    for(auto it=st[i].begin();it!=st[i].end();it++){
        vc.push_back(*it);
    }
    if(vc.size()>12 ){continue;}
    for(int A=0;A<(1<<vc.size());A++){
        if(__builtin_popcount(A)<=ans){continue;}
        if(__builtin_popcount(A)>K){continue;}
        if(__builtin_popcount(A)>ans+1){continue;}
        int ok=1;
       // cout<<A<<"A\n";
        for(int j=0;j<vc.size();j++){
           // cout<<vc[j]<<" "<<ok<<endl;;
            if(!ok){break;}
            if(((A&(1<<j))!=0)){
                for(int k=0;k<vc.size();k++){
                    if(!ok){break;}
                    if( ((A&(1<<k))==0) ){continue;}
                    //cout<<A<<" "<<k<<endl;
                    if(st[vc[j]].find(vc[k])==st[vc[j]].end()){ok=0;}
                   // cout<<A<<" "<<vc[j]<<" "<<vc[k];
                    //if(tbl[vc[j]][vc[k]]==0){ok=0;}
                    //cout<<" "<<ok<<endl;
                }
            }
        }
        //cout<<ok<<endl;
        if((ok&&(__builtin_popcount(A)>ans)) ){
            ans=__builtin_popcount(A);
            if(ans==K){
                cout<<K;return 0;
            }
        }
    }
}
cout<<ans<<endl;
//return 0;
/*
for(int i=0;i<ans.size();i++){
    cout<<ans[i]<<" ";
}*/

}

Compilation message

politicaldevelopment.cpp: In function 'void slvk3()':
politicaldevelopment.cpp:17:13: warning: unused variable 'v' [-Wunused-variable]
   17 |         int v=(*it);
      |             ^
politicaldevelopment.cpp:11:5: warning: variable 'ans' set but not used [-Wunused-but-set-variable]
   11 | int ans=1;
      |     ^~~
politicaldevelopment.cpp: In function 'int main()':
politicaldevelopment.cpp:57:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |     for(int j=0;j<vc.size();j++){
      |                 ~^~~~~~~~~~
politicaldevelopment.cpp:78:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   78 |         for(int j=0;j<vc.size();j++){
      |                     ~^~~~~~~~~~
politicaldevelopment.cpp:82:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   82 |                 for(int k=0;k<vc.size();k++){
      |                             ~^~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 3 ms 3284 KB Output is correct
4 Correct 5 ms 3284 KB Output is correct
5 Correct 4 ms 3320 KB Output is correct
6 Correct 4 ms 3284 KB Output is correct
7 Correct 3 ms 3328 KB Output is correct
8 Correct 2 ms 2832 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 2 ms 2900 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 3 ms 3284 KB Output is correct
4 Correct 5 ms 3284 KB Output is correct
5 Correct 4 ms 3320 KB Output is correct
6 Correct 4 ms 3284 KB Output is correct
7 Correct 3 ms 3328 KB Output is correct
8 Correct 2 ms 2832 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 2 ms 2900 KB Output is correct
11 Correct 3 ms 3284 KB Output is correct
12 Correct 4 ms 3392 KB Output is correct
13 Correct 1 ms 2644 KB Output is correct
14 Correct 5 ms 3412 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 5 ms 3392 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 6 ms 3360 KB Output is correct
19 Correct 3 ms 2900 KB Output is correct
20 Correct 3 ms 3064 KB Output is correct
21 Correct 2 ms 3028 KB Output is correct
22 Correct 2 ms 2900 KB Output is correct
23 Correct 4 ms 3412 KB Output is correct
24 Correct 2 ms 2900 KB Output is correct
25 Correct 4 ms 3412 KB Output is correct
26 Correct 6 ms 3400 KB Output is correct
27 Correct 4 ms 3284 KB Output is correct
28 Correct 5 ms 3412 KB Output is correct
29 Correct 4 ms 3284 KB Output is correct
30 Correct 5 ms 3540 KB Output is correct
31 Correct 5 ms 3536 KB Output is correct
32 Correct 5 ms 3540 KB Output is correct
33 Correct 7 ms 3536 KB Output is correct
34 Correct 5 ms 3536 KB Output is correct
35 Correct 3 ms 3028 KB Output is correct
36 Correct 5 ms 3096 KB Output is correct
37 Correct 4 ms 3028 KB Output is correct
38 Correct 4 ms 2900 KB Output is correct
39 Correct 3 ms 2900 KB Output is correct
40 Correct 8 ms 3924 KB Output is correct
41 Correct 3 ms 2900 KB Output is correct
42 Correct 7 ms 3740 KB Output is correct
43 Correct 5 ms 3796 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2900 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 1 ms 2644 KB Output is correct
4 Correct 1 ms 2644 KB Output is correct
5 Correct 1 ms 2644 KB Output is correct
6 Correct 1 ms 2644 KB Output is correct
7 Correct 1 ms 2644 KB Output is correct
8 Correct 1 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 2 ms 2584 KB Output is correct
11 Correct 908 ms 26024 KB Output is correct
12 Correct 1 ms 2644 KB Output is correct
13 Correct 426 ms 26140 KB Output is correct
14 Correct 1 ms 2644 KB Output is correct
15 Correct 860 ms 26140 KB Output is correct
16 Correct 450 ms 26144 KB Output is correct
17 Correct 463 ms 26144 KB Output is correct
18 Correct 507 ms 26060 KB Output is correct

Subtask #4
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 3 ms 3284 KB Output is correct
4 Correct 5 ms 3284 KB Output is correct
5 Correct 4 ms 3320 KB Output is correct
6 Correct 4 ms 3284 KB Output is correct
7 Correct 3 ms 3328 KB Output is correct
8 Correct 2 ms 2832 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 2 ms 2900 KB Output is correct
11 Correct 3 ms 3284 KB Output is correct
12 Correct 4 ms 3392 KB Output is correct
13 Correct 1 ms 2644 KB Output is correct
14 Correct 5 ms 3412 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 5 ms 3392 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 6 ms 3360 KB Output is correct
19 Correct 3 ms 2900 KB Output is correct
20 Correct 3 ms 3064 KB Output is correct
21 Correct 2 ms 3028 KB Output is correct
22 Correct 2 ms 2900 KB Output is correct
23 Correct 4 ms 3412 KB Output is correct
24 Correct 2 ms 2900 KB Output is correct
25 Correct 4 ms 3412 KB Output is correct
26 Correct 6 ms 3400 KB Output is correct
27 Correct 4 ms 3284 KB Output is correct
28 Correct 5 ms 3412 KB Output is correct
29 Correct 4 ms 3284 KB Output is correct
30 Correct 5 ms 3540 KB Output is correct
31 Correct 5 ms 3536 KB Output is correct
32 Correct 5 ms 3540 KB Output is correct
33 Correct 7 ms 3536 KB Output is correct
34 Correct 5 ms 3536 KB Output is correct
35 Correct 3 ms 3028 KB Output is correct
36 Correct 5 ms 3096 KB Output is correct
37 Correct 4 ms 3028 KB Output is correct
38 Correct 4 ms 2900 KB Output is correct
39 Correct 3 ms 2900 KB Output is correct
40 Correct 8 ms 3924 KB Output is correct
41 Correct 3 ms 2900 KB Output is correct
42 Correct 7 ms 3740 KB Output is correct
43 Correct 5 ms 3796 KB Output is correct
44 Correct 11 ms 4792 KB Output is correct
45 Correct 2 ms 2644 KB Output is correct
46 Correct 14 ms 3852 KB Output is correct
47 Incorrect 37 ms 4692 KB Output isn't correct
48 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 3 ms 3284 KB Output is correct
4 Correct 5 ms 3284 KB Output is correct
5 Correct 4 ms 3320 KB Output is correct
6 Correct 4 ms 3284 KB Output is correct
7 Correct 3 ms 3328 KB Output is correct
8 Correct 2 ms 2832 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 2 ms 2900 KB Output is correct
11 Correct 3 ms 3284 KB Output is correct
12 Correct 4 ms 3392 KB Output is correct
13 Correct 1 ms 2644 KB Output is correct
14 Correct 5 ms 3412 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 5 ms 3392 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 6 ms 3360 KB Output is correct
19 Correct 3 ms 2900 KB Output is correct
20 Correct 3 ms 3064 KB Output is correct
21 Correct 2 ms 3028 KB Output is correct
22 Correct 2 ms 2900 KB Output is correct
23 Correct 4 ms 3412 KB Output is correct
24 Correct 2 ms 2900 KB Output is correct
25 Correct 4 ms 3412 KB Output is correct
26 Correct 6 ms 3400 KB Output is correct
27 Correct 4 ms 3284 KB Output is correct
28 Correct 5 ms 3412 KB Output is correct
29 Correct 4 ms 3284 KB Output is correct
30 Correct 5 ms 3540 KB Output is correct
31 Correct 5 ms 3536 KB Output is correct
32 Correct 5 ms 3540 KB Output is correct
33 Correct 7 ms 3536 KB Output is correct
34 Correct 5 ms 3536 KB Output is correct
35 Correct 3 ms 3028 KB Output is correct
36 Correct 5 ms 3096 KB Output is correct
37 Correct 4 ms 3028 KB Output is correct
38 Correct 4 ms 2900 KB Output is correct
39 Correct 3 ms 2900 KB Output is correct
40 Correct 8 ms 3924 KB Output is correct
41 Correct 3 ms 2900 KB Output is correct
42 Correct 7 ms 3740 KB Output is correct
43 Correct 5 ms 3796 KB Output is correct
44 Correct 1 ms 2644 KB Output is correct
45 Incorrect 332 ms 19108 KB Output isn't correct
46 Halted 0 ms 0 KB -