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Submission #629730

# Submission time Handle Problem Language Result Execution time Memory
629730 2022-08-15T00:46:42 Z chonka Political Development (BOI17_politicaldevelopment) C++17
100 / 100
 234 ms 28732 KB 
#include<bits/stdc++.h>
using namespace std ;
typedef long long ll ;

const int MAXN = 5e4 + 7 ;

int n , k ;
int sz[ MAXN ] ;
set < int > s[ MAXN ] ;
bool done[ MAXN ] ;

priority_queue < pair < int , int > > q ;

vector < int > v ;

bool adj[ 12 ][ 12 ] ;
bool valid[ ( 1 << 12 ) ] ;


int f ( ) {
    int len = v.size ( ) ;
    for ( int i = 0 ; i < len ; ++ i ) {
        int x = v[ i ] ;
        for ( int j = 0 ; j < len ; ++ j ) {
            int y = v[ j ] ;
            if ( s[ x ].find ( y ) != s[ x ].end ( ) ) {
                adj[ i ][ j ] = true ;
            }
            else {
                adj[ i ][ j ] = false ;
            }
        }
    }
    for ( int i = 0 ; i < ( 1 << len ) ; ++ i ) {
        valid[ i ] = false ;
    }
    valid[ 0 ] = true ;
    for ( int i = 0 ; i < len ; ++ i ) {
        for ( int mask = 0 ; mask < ( 1 << i ) ; ++ mask ) {
            if ( valid[ mask ] == false ) { continue ; }
            valid[ mask + ( 1 << i ) ] = true ;
            for ( int t = 0 ; t < i ; ++ t ) {
                if ( ( mask & ( 1 << t ) ) > 0 ) {
                    if ( adj[ t ][ i ] == false ) {
                        valid[ mask + ( 1 << i ) ] = false ;
                        break ;
                    }
                }
            }
        }
    }
    int ret = 0 ;
    for ( int i = 0 ; i < ( 1 << len ) ; ++ i ) {
        if ( valid[ i ] == true ) {
            ret = max ( ret , __builtin_popcount ( i ) ) ;
        }
    }
    return ret ;
}

void solve ( ) {
    cin >> n >> k ;
    for ( int i = 1 ; i <= n ; ++ i ) {
        cin >> sz[ i ] ;
        for ( int j = 0 , x ; j < sz[ i ] ; ++ j ) {
            cin >> x ; ++ x ;
            s[ i ].insert ( x ) ;
        }
        if ( sz[ i ] <= k ) { 
            q.push ( { -sz[ i ] , i } ) ;
        }
    }
    int ans = 0 ;
    while ( q.empty ( ) == false ) {
        auto [ c , wh ] = q.top ( ) ;
        q.pop ( ) ;
        c = -c ;
        if ( done[ wh ] == true || c != sz[ wh ] ) { continue ; }
        done[ wh ] = true ;
        v.clear ( ) ;
        for ( auto x : s[ wh ] ) {
            if ( done[ x ] == false ) { 
                v.push_back ( x ) ;
                -- sz[ x ] ;
                if ( sz[ x ] <= k ) { 
                    q.push ( { -sz[ x ] , x } ) ;
                }
            }
        }
        ans = max ( ans , f ( ) + 1 ) ;
    }
    cout << ans << "\n" ;
}

int main ( ) {
    ios_base :: sync_with_stdio ( false ) ;
    cin.tie ( NULL ) ;
    int t = 1 ; // cin >> t ; 
    while ( t -- ) { solve ( ) ; }
    return 0 ;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 5 ms 3220 KB Output is correct
4 Correct 4 ms 3156 KB Output is correct
5 Correct 4 ms 3156 KB Output is correct
6 Correct 4 ms 3156 KB Output is correct
7 Correct 4 ms 3156 KB Output is correct
8 Correct 2 ms 2772 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 3 ms 2772 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 5 ms 3220 KB Output is correct
4 Correct 4 ms 3156 KB Output is correct
5 Correct 4 ms 3156 KB Output is correct
6 Correct 4 ms 3156 KB Output is correct
7 Correct 4 ms 3156 KB Output is correct
8 Correct 2 ms 2772 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 3 ms 2772 KB Output is correct
11 Correct 4 ms 3156 KB Output is correct
12 Correct 4 ms 3156 KB Output is correct
13 Correct 1 ms 2644 KB Output is correct
14 Correct 5 ms 3284 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 5 ms 3284 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 5 ms 3284 KB Output is correct
19 Correct 2 ms 2772 KB Output is correct
20 Correct 3 ms 2964 KB Output is correct
21 Correct 3 ms 3028 KB Output is correct
22 Correct 2 ms 2772 KB Output is correct
23 Correct 5 ms 3356 KB Output is correct
24 Correct 2 ms 2772 KB Output is correct
25 Correct 7 ms 3416 KB Output is correct
26 Correct 5 ms 3288 KB Output is correct
27 Correct 4 ms 3276 KB Output is correct
28 Correct 8 ms 3344 KB Output is correct
29 Correct 4 ms 3284 KB Output is correct
30 Correct 6 ms 3412 KB Output is correct
31 Correct 9 ms 3452 KB Output is correct
32 Correct 6 ms 3412 KB Output is correct
33 Correct 6 ms 3460 KB Output is correct
34 Correct 5 ms 3344 KB Output is correct
35 Correct 3 ms 3028 KB Output is correct
36 Correct 4 ms 2952 KB Output is correct
37 Correct 3 ms 2960 KB Output is correct
38 Correct 3 ms 2900 KB Output is correct
39 Correct 3 ms 2900 KB Output is correct
40 Correct 7 ms 3668 KB Output is correct
41 Correct 3 ms 2956 KB Output is correct
42 Correct 8 ms 3796 KB Output is correct
43 Correct 8 ms 3768 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2772 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2688 KB Output is correct
5 Correct 2 ms 2592 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2684 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2688 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
11 Correct 201 ms 28692 KB Output is correct
12 Correct 2 ms 2644 KB Output is correct
13 Correct 234 ms 28676 KB Output is correct
14 Correct 1 ms 2644 KB Output is correct
15 Correct 209 ms 28656 KB Output is correct
16 Correct 214 ms 28716 KB Output is correct
17 Correct 206 ms 28728 KB Output is correct
18 Correct 209 ms 28732 KB Output is correct

Subtask #4
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 5 ms 3220 KB Output is correct
4 Correct 4 ms 3156 KB Output is correct
5 Correct 4 ms 3156 KB Output is correct
6 Correct 4 ms 3156 KB Output is correct
7 Correct 4 ms 3156 KB Output is correct
8 Correct 2 ms 2772 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 3 ms 2772 KB Output is correct
11 Correct 4 ms 3156 KB Output is correct
12 Correct 4 ms 3156 KB Output is correct
13 Correct 1 ms 2644 KB Output is correct
14 Correct 5 ms 3284 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 5 ms 3284 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 5 ms 3284 KB Output is correct
19 Correct 2 ms 2772 KB Output is correct
20 Correct 3 ms 2964 KB Output is correct
21 Correct 3 ms 3028 KB Output is correct
22 Correct 2 ms 2772 KB Output is correct
23 Correct 5 ms 3356 KB Output is correct
24 Correct 2 ms 2772 KB Output is correct
25 Correct 7 ms 3416 KB Output is correct
26 Correct 5 ms 3288 KB Output is correct
27 Correct 4 ms 3276 KB Output is correct
28 Correct 8 ms 3344 KB Output is correct
29 Correct 4 ms 3284 KB Output is correct
30 Correct 6 ms 3412 KB Output is correct
31 Correct 9 ms 3452 KB Output is correct
32 Correct 6 ms 3412 KB Output is correct
33 Correct 6 ms 3460 KB Output is correct
34 Correct 5 ms 3344 KB Output is correct
35 Correct 3 ms 3028 KB Output is correct
36 Correct 4 ms 2952 KB Output is correct
37 Correct 3 ms 2960 KB Output is correct
38 Correct 3 ms 2900 KB Output is correct
39 Correct 3 ms 2900 KB Output is correct
40 Correct 7 ms 3668 KB Output is correct
41 Correct 3 ms 2956 KB Output is correct
42 Correct 8 ms 3796 KB Output is correct
43 Correct 8 ms 3768 KB Output is correct
44 Correct 17 ms 4748 KB Output is correct
45 Correct 1 ms 2644 KB Output is correct
46 Correct 8 ms 3668 KB Output is correct
47 Correct 15 ms 4816 KB Output is correct
48 Correct 8 ms 3796 KB Output is correct
49 Correct 15 ms 4820 KB Output is correct
50 Correct 15 ms 4932 KB Output is correct
51 Correct 33 ms 6884 KB Output is correct
52 Correct 4 ms 3188 KB Output is correct
53 Correct 39 ms 7352 KB Output is correct
54 Correct 44 ms 7388 KB Output is correct
55 Correct 5 ms 3284 KB Output is correct
56 Correct 6 ms 3216 KB Output is correct
57 Correct 2 ms 2772 KB Output is correct
58 Correct 39 ms 7384 KB Output is correct
59 Correct 8 ms 3796 KB Output is correct
60 Correct 5 ms 3284 KB Output is correct
61 Correct 7 ms 3668 KB Output is correct
62 Correct 7 ms 3720 KB Output is correct
63 Correct 19 ms 4800 KB Output is correct
64 Correct 13 ms 4564 KB Output is correct
65 Correct 7 ms 3672 KB Output is correct
66 Correct 10 ms 3696 KB Output is correct
67 Correct 20 ms 5280 KB Output is correct
68 Correct 13 ms 4484 KB Output is correct
69 Correct 7 ms 3592 KB Output is correct
70 Correct 13 ms 4748 KB Output is correct
71 Correct 18 ms 5184 KB Output is correct
72 Correct 24 ms 5336 KB Output is correct
73 Correct 4 ms 3272 KB Output is correct
74 Correct 14 ms 4696 KB Output is correct
75 Correct 18 ms 5208 KB Output is correct
76 Correct 13 ms 4232 KB Output is correct
77 Correct 25 ms 6016 KB Output is correct
78 Correct 4 ms 3284 KB Output is correct
79 Correct 12 ms 4308 KB Output is correct
80 Correct 10 ms 4180 KB Output is correct
81 Correct 23 ms 6032 KB Output is correct
82 Correct 3 ms 2900 KB Output is correct
83 Correct 12 ms 4388 KB Output is correct
84 Correct 18 ms 5332 KB Output is correct
85 Correct 3 ms 2900 KB Output is correct
86 Correct 17 ms 5332 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 5 ms 3220 KB Output is correct
4 Correct 4 ms 3156 KB Output is correct
5 Correct 4 ms 3156 KB Output is correct
6 Correct 4 ms 3156 KB Output is correct
7 Correct 4 ms 3156 KB Output is correct
8 Correct 2 ms 2772 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 3 ms 2772 KB Output is correct
11 Correct 4 ms 3156 KB Output is correct
12 Correct 4 ms 3156 KB Output is correct
13 Correct 1 ms 2644 KB Output is correct
14 Correct 5 ms 3284 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 5 ms 3284 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 5 ms 3284 KB Output is correct
19 Correct 2 ms 2772 KB Output is correct
20 Correct 3 ms 2964 KB Output is correct
21 Correct 3 ms 3028 KB Output is correct
22 Correct 2 ms 2772 KB Output is correct
23 Correct 5 ms 3356 KB Output is correct
24 Correct 2 ms 2772 KB Output is correct
25 Correct 7 ms 3416 KB Output is correct
26 Correct 5 ms 3288 KB Output is correct
27 Correct 4 ms 3276 KB Output is correct
28 Correct 8 ms 3344 KB Output is correct
29 Correct 4 ms 3284 KB Output is correct
30 Correct 6 ms 3412 KB Output is correct
31 Correct 9 ms 3452 KB Output is correct
32 Correct 6 ms 3412 KB Output is correct
33 Correct 6 ms 3460 KB Output is correct
34 Correct 5 ms 3344 KB Output is correct
35 Correct 3 ms 3028 KB Output is correct
36 Correct 4 ms 2952 KB Output is correct
37 Correct 3 ms 2960 KB Output is correct
38 Correct 3 ms 2900 KB Output is correct
39 Correct 3 ms 2900 KB Output is correct
40 Correct 7 ms 3668 KB Output is correct
41 Correct 3 ms 2956 KB Output is correct
42 Correct 8 ms 3796 KB Output is correct
43 Correct 8 ms 3768 KB Output is correct
44 Correct 2 ms 2644 KB Output is correct
45 Correct 105 ms 19288 KB Output is correct
46 Correct 58 ms 11176 KB Output is correct
47 Correct 123 ms 19304 KB Output is correct
48 Correct 109 ms 19264 KB Output is correct
49 Correct 33 ms 8644 KB Output is correct
50 Correct 149 ms 24360 KB Output is correct
51 Correct 113 ms 19200 KB Output is correct
52 Correct 31 ms 8568 KB Output is correct
53 Correct 36 ms 8644 KB Output is correct
54 Correct 9 ms 3544 KB Output is correct
55 Correct 144 ms 24444 KB Output is correct
56 Correct 20 ms 5964 KB Output is correct
57 Correct 32 ms 8648 KB Output is correct
58 Correct 47 ms 11204 KB Output is correct
59 Correct 22 ms 5964 KB Output is correct
60 Correct 21 ms 5964 KB Output is correct
61 Correct 46 ms 11176 KB Output is correct
62 Correct 34 ms 8648 KB Output is correct
63 Correct 70 ms 12656 KB Output is correct
64 Correct 21 ms 5964 KB Output is correct
65 Correct 89 ms 15828 KB Output is correct
66 Correct 35 ms 8660 KB Output is correct
67 Correct 65 ms 12676 KB Output is correct
68 Correct 82 ms 15124 KB Output is correct
69 Correct 84 ms 15816 KB Output is correct
70 Correct 49 ms 8652 KB Output is correct
71 Correct 88 ms 15240 KB Output is correct
72 Correct 66 ms 12048 KB Output is correct
73 Correct 100 ms 17476 KB Output is correct
74 Correct 36 ms 8580 KB Output is correct
75 Correct 35 ms 8472 KB Output is correct
76 Correct 69 ms 12224 KB Output is correct
77 Correct 123 ms 17560 KB Output is correct
78 Correct 46 ms 10008 KB Output is correct
79 Correct 33 ms 8400 KB Output is correct
80 Correct 20 ms 5332 KB Output is correct
81 Correct 46 ms 10096 KB Output is correct
82 Correct 82 ms 14564 KB Output is correct
83 Correct 16 ms 5460 KB Output is correct
84 Correct 75 ms 14512 KB Output is correct