oj.uz

Submission #489715

# Submission time Handle Problem Language Result Execution time Memory
489715 2021-11-24T03:21:02 Z mdn2002 Bali Sculptures (APIO15_sculpture) C++14
37 / 100
 107 ms 16072 KB 
#include<bits/stdc++.h>
using namespace std;
int n , a , b , y [2003] , dp [2003][2003] , dpp [2003] , pre [2003];
long long mask;
bool f ( int x , int num )
{
    if ( x == n + 1 )
    {
        if ( a <= num && num <= b ) return 1;
        return 0;
    }
    if ( dp [x][num] != -1 ) return dp [x][num];
    bool ans = 0;
    long long sum = 0;
    for ( int i = x ; i <= n ; i ++ )
    {
        sum += y [i];
        if ( ( mask | sum ) > mask ) continue;
        ans = max ( ans , f ( i + 1 , num + 1 ) );
    }
    return dp [x][num] = ans;
}
long long ff ( )
{
    for ( int i = 1 ; i <= n ; i ++ ) dpp [i] = 1e8;
    for ( int i = 1 ; i <= n ; i ++ )
    {
        for ( int j = 1 ; j <= i ; j ++ )
        {
            long long sum = pre [i] - pre [ j - 1 ];
            if ( ( mask | sum ) > mask ) continue;
            dpp [i] = min ( dpp [i] , dpp [ j - 1 ] + 1 );
        }
    }
    return dpp [n];
}
bool ck ( )
{
    memset ( dp , -1 , sizeof dp );
    if ( a != 1 ) return f ( 1 , 0 );
    else
    {
        int mn = ff ( );
        return ( mn <= b );
    }
}
int main()
{
    //freopen ( "fence8.in" , "r" , stdin );
    //freopen ( "fence8.out" , "w" , stdout );
    scanf ( "%d%d%d" , &n , &a , &b );
    for ( int i = 1 ; i <= n ; i ++ )
    {
        scanf ( "%d" , &y [i] );
        pre [i] = y [i] + pre [ i - 1 ];
    }
    mask = ( 1ll << 50 ) - 1;
    for ( int i = 49 ; i >= 0 ; i -- )
    {
        mask ^= ( 1ll << i );
        if ( ck ( ) == 0 ) mask ^= ( 1ll << i );
    }
    printf ( "%lld" , mask );
}

Compilation message

sculpture.cpp: In function 'bool f(int, int)':
sculpture.cpp:21:24: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   21 |     return dp [x][num] = ans;
      |            ~~~~~~~~~~~~^~~~~
sculpture.cpp: In function 'int main()':
sculpture.cpp:51:11: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |     scanf ( "%d%d%d" , &n , &a , &b );
      |     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
sculpture.cpp:54:15: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   54 |         scanf ( "%d" , &y [i] );
      |         ~~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 94 ms 15948 KB Output is correct
2 Correct 99 ms 15980 KB Output is correct
3 Correct 94 ms 15948 KB Output is correct
4 Correct 94 ms 15984 KB Output is correct
5 Correct 93 ms 15984 KB Output is correct
6 Correct 102 ms 15984 KB Output is correct
7 Correct 97 ms 15980 KB Output is correct
8 Correct 91 ms 15996 KB Output is correct
9 Correct 92 ms 15980 KB Output is correct
10 Correct 98 ms 15980 KB Output is correct
11 Correct 98 ms 15948 KB Output is correct
12 Correct 92 ms 15948 KB Output is correct
13 Correct 96 ms 15980 KB Output is correct
14 Correct 93 ms 15976 KB Output is correct
15 Correct 94 ms 15980 KB Output is correct
16 Correct 102 ms 15972 KB Output is correct
17 Correct 96 ms 15984 KB Output is correct
18 Correct 94 ms 15980 KB Output is correct
19 Correct 94 ms 15948 KB Output is correct
20 Correct 93 ms 15976 KB Output is correct
21 Correct 97 ms 15984 KB Output is correct
22 Correct 94 ms 15976 KB Output is correct
23 Correct 93 ms 15976 KB Output is correct
24 Correct 97 ms 15992 KB Output is correct
25 Correct 96 ms 15980 KB Output is correct
26 Correct 93 ms 15980 KB Output is correct
27 Incorrect 92 ms 15948 KB Output isn't correct
28 Halted 0 ms 0 KB -

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 93 ms 15948 KB Output is correct
2 Correct 94 ms 15996 KB Output is correct
3 Correct 94 ms 15980 KB Output is correct
4 Correct 93 ms 15980 KB Output is correct
5 Correct 92 ms 15948 KB Output is correct
6 Correct 93 ms 15984 KB Output is correct
7 Correct 96 ms 15948 KB Output is correct
8 Correct 94 ms 15988 KB Output is correct
9 Correct 97 ms 15984 KB Output is correct
10 Correct 93 ms 15948 KB Output is correct
11 Correct 93 ms 15948 KB Output is correct
12 Correct 93 ms 15992 KB Output is correct
13 Correct 97 ms 15948 KB Output is correct
14 Correct 94 ms 15948 KB Output is correct
15 Correct 95 ms 15996 KB Output is correct
16 Correct 95 ms 15948 KB Output is correct
17 Correct 93 ms 15980 KB Output is correct
18 Correct 92 ms 15948 KB Output is correct
19 Correct 94 ms 15948 KB Output is correct
20 Correct 96 ms 15992 KB Output is correct
21 Correct 94 ms 15980 KB Output is correct
22 Correct 93 ms 15888 KB Output is correct
23 Correct 92 ms 15980 KB Output is correct
24 Correct 93 ms 15984 KB Output is correct
25 Correct 99 ms 15988 KB Output is correct
26 Correct 107 ms 15948 KB Output is correct
27 Correct 93 ms 15948 KB Output is correct
28 Correct 94 ms 15948 KB Output is correct
29 Correct 93 ms 15948 KB Output is correct
30 Correct 99 ms 15948 KB Output is correct
31 Correct 94 ms 15884 KB Output is correct
32 Correct 95 ms 15988 KB Output is correct
33 Correct 103 ms 15948 KB Output is correct
34 Correct 92 ms 15984 KB Output is correct
35 Correct 92 ms 15980 KB Output is correct
36 Correct 96 ms 16000 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 93 ms 15984 KB Output is correct
2 Correct 98 ms 15988 KB Output is correct
3 Correct 94 ms 15948 KB Output is correct
4 Correct 93 ms 15948 KB Output is correct
5 Correct 96 ms 16024 KB Output is correct
6 Correct 93 ms 15948 KB Output is correct
7 Correct 97 ms 15980 KB Output is correct
8 Correct 98 ms 15992 KB Output is correct
9 Correct 91 ms 15948 KB Output is correct
10 Correct 96 ms 15988 KB Output is correct
11 Correct 94 ms 15984 KB Output is correct
12 Correct 94 ms 15984 KB Output is correct
13 Correct 93 ms 15948 KB Output is correct
14 Correct 92 ms 15948 KB Output is correct
15 Correct 97 ms 15984 KB Output is correct
16 Correct 92 ms 15984 KB Output is correct
17 Correct 93 ms 15948 KB Output is correct
18 Correct 94 ms 15948 KB Output is correct
19 Correct 92 ms 15948 KB Output is correct
20 Correct 98 ms 16000 KB Output is correct
21 Correct 93 ms 15948 KB Output is correct
22 Correct 93 ms 16072 KB Output is correct
23 Correct 96 ms 15980 KB Output is correct
24 Correct 93 ms 15988 KB Output is correct
25 Correct 98 ms 15980 KB Output is correct
26 Correct 94 ms 16068 KB Output is correct
27 Correct 94 ms 15988 KB Output is correct
28 Correct 93 ms 15948 KB Output is correct
29 Correct 95 ms 15988 KB Output is correct
30 Correct 94 ms 15984 KB Output is correct
31 Correct 95 ms 15988 KB Output is correct
32 Correct 95 ms 15948 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 97 ms 15984 KB Output is correct
2 Correct 96 ms 15988 KB Output is correct
3 Correct 93 ms 15984 KB Output is correct
4 Correct 95 ms 15980 KB Output is correct
5 Correct 93 ms 15948 KB Output is correct
6 Correct 91 ms 15984 KB Output is correct
7 Correct 94 ms 15988 KB Output is correct
8 Correct 98 ms 15948 KB Output is correct
9 Correct 92 ms 15948 KB Output is correct
10 Correct 98 ms 15948 KB Output is correct
11 Correct 93 ms 15948 KB Output is correct
12 Correct 91 ms 15980 KB Output is correct
13 Correct 103 ms 15980 KB Output is correct
14 Correct 95 ms 15976 KB Output is correct
15 Correct 99 ms 15948 KB Output is correct
16 Correct 91 ms 15948 KB Output is correct
17 Correct 94 ms 15980 KB Output is correct
18 Correct 94 ms 15948 KB Output is correct
19 Correct 96 ms 15948 KB Output is correct
20 Correct 105 ms 15980 KB Output is correct
21 Correct 95 ms 15976 KB Output is correct
22 Correct 98 ms 15948 KB Output is correct
23 Correct 93 ms 15948 KB Output is correct
24 Correct 91 ms 15980 KB Output is correct
25 Correct 96 ms 15976 KB Output is correct
26 Correct 96 ms 15948 KB Output is correct
27 Incorrect 95 ms 15976 KB Output isn't correct
28 Halted 0 ms 0 KB -

Subtask #5
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 93 ms 15980 KB Output is correct
2 Correct 95 ms 15980 KB Output is correct
3 Correct 98 ms 15980 KB Output is correct
4 Correct 94 ms 15948 KB Output is correct
5 Correct 93 ms 15984 KB Output is correct
6 Correct 94 ms 15984 KB Output is correct
7 Correct 95 ms 15988 KB Output is correct
8 Correct 99 ms 15980 KB Output is correct
9 Correct 96 ms 15984 KB Output is correct
10 Correct 93 ms 15948 KB Output is correct
11 Correct 96 ms 15948 KB Output is correct
12 Correct 92 ms 15948 KB Output is correct
13 Correct 95 ms 15940 KB Output is correct
14 Incorrect 96 ms 15984 KB Output isn't correct
15 Halted 0 ms 0 KB -